Below are the 4626 trading days of historical prices for PDS.
# | Exchange | Symbol | Date | Open | High | Low | Close | 4626 | NYSE | PDS | Wed, Mar 20, 2024 | 66.04 | 67.23 | 64.94 | 67.18 | 4625 | NYSE | PDS | Tue, Mar 19, 2024 | 65.03 | 66.15 | 64.63 | 66.03 | 4624 | NYSE | PDS | Mon, Mar 18, 2024 | 64.71 | 65.98 | 63.53 | 65.04 | 4623 | NYSE | PDS | Fri, Mar 15, 2024 | 63.99 | 65.26 | 63.76 | 64.21 | 4622 | NYSE | PDS | Thu, Mar 14, 2024 | 62.59 | 63.94 | 61.68 | 63.71 | 4621 | NYSE | PDS | Wed, Mar 13, 2024 | 61.93 | 63.20 | 61.93 | 62.28 | 4620 | NYSE | PDS | Tue, Mar 12, 2024 | 62.23 | 62.23 | 60.62 | 61.41 | 4619 | NYSE | PDS | Mon, Mar 11, 2024 | 61.46 | 62.51 | 61.12 | 62.38 | 4618 | NYSE | PDS | Fri, Mar 8, 2024 | 62.88 | 63.47 | 61.74 | 62.23 | 4617 | NYSE | PDS | Thu, Mar 7, 2024 | 62.01 | 63.65 | 62.01 | 63.23 | 4616 | NYSE | PDS | Wed, Mar 6, 2024 | 61.94 | 62.96 | 61.30 | 62.33 | 4615 | NYSE | PDS | Tue, Mar 5, 2024 | 61.05 | 62.26 | 60.84 | 61.19 | 4614 | NYSE | PDS | Mon, Mar 4, 2024 | 60.75 | 62.14 | 60.59 | 60.97 | 4613 | NYSE | PDS | Fri, Mar 1, 2024 | 60.10 | 62.74 | 60.10 | 61.78 | 4612 | NYSE | PDS | Thu, Feb 29, 2024 | 59.36 | 60.44 | 58.87 | 59.49 | 4611 | NYSE | PDS | Wed, Feb 28, 2024 | 60.46 | 60.84 | 59.19 | 59.27 | 4610 | NYSE | PDS | Tue, Feb 27, 2024 | 60.35 | 60.72 | 59.90 | 60.39 | 4609 | NYSE | PDS | Mon, Feb 26, 2024 | 59.43 | 60.54 | 59.06 | 59.93 | 4608 | NYSE | PDS | Fri, Feb 23, 2024 | 59.99 | 60.76 | 59.18 | 59.94 | 4607 | NYSE | PDS | Thu, Feb 22, 2024 | 60.86 | 61.77 | 60.48 | 60.70 | 4606 | NYSE | PDS | Wed, Feb 21, 2024 | 59.42 | 61.83 | 59.42 | 60.39 | 4605 | NYSE | PDS | Tue, Feb 20, 2024 | 62.33 | 62.33 | 59.74 | 59.79 | 4604 | NYSE | PDS | Fri, Feb 16, 2024 | 62.79 | 63.17 | 61.69 | 63.06 | 4603 | NYSE | PDS | Thu, Feb 15, 2024 | 60.48 | 62.97 | 60.48 | 62.68 | 4602 | NYSE | PDS | Wed, Feb 14, 2024 | 61.80 | 62.34 | 60.04 | 60.28 | 4601 | NYSE | PDS | Tue, Feb 13, 2024 | 63.74 | 63.74 | 60.42 | 61.15 | 4600 | NYSE | PDS | Mon, Feb 12, 2024 | 63.39 | 65.38 | 63.39 | 64.26 | 4599 | NYSE | PDS | Fri, Feb 9, 2024 | 64.61 | 64.61 | 63.29 | 63.92 | 4598 | NYSE | PDS | Thu, Feb 8, 2024 | 61.51 | 64.22 | 61.51 | 63.94 | 4597 | NYSE | PDS | Wed, Feb 7, 2024 | 62.61 | 62.61 | 60.08 | 61.66 | 4596 | NYSE | PDS | Tue, Feb 6, 2024 | 65.00 | 65.63 | 61.06 | 62.33 | 4595 | NYSE | PDS | Mon, Feb 5, 2024 | 60.00 | 60.45 | 58.07 | 58.96 | 4594 | NYSE | PDS | Fri, Feb 2, 2024 | 60.28 | 61.00 | 58.90 | 59.56 | 4593 | NYSE | PDS | Thu, Feb 1, 2024 | 62.66 | 63.40 | 60.35 | 60.71 | 4592 | NYSE | PDS | Wed, Jan 31, 2024 | 63.45 | 63.45 | 61.79 | 61.88 | 4591 | NYSE | PDS | Tue, Jan 30, 2024 | 59.85 | 63.39 | 59.56 | 63.20 | 4590 | NYSE | PDS | Mon, Jan 29, 2024 | 60.96 | 61.22 | 59.78 | 61.06 | 4589 | NYSE | PDS | Fri, Jan 26, 2024 | 60.93 | 61.99 | 59.90 | 61.34 | 4588 | NYSE | PDS | Thu, Jan 25, 2024 | 61.65 | 62.00 | 59.07 | 60.59 | 4587 | NYSE | PDS | Wed, Jan 24, 2024 | 58.71 | 61.37 | 58.71 | 60.79 | 4586 | NYSE | PDS | Tue, Jan 23, 2024 | 57.36 | 59.34 | 57.36 | 58.09 | 4585 | NYSE | PDS | Mon, Jan 22, 2024 | 55.58 | 58.38 | 55.25 | 57.59 | 4584 | NYSE | PDS | Fri, Jan 19, 2024 | 53.33 | 55.77 | 53.08 | 55.61 | 4583 | NYSE | PDS | Thu, Jan 18, 2024 | 53.57 | 54.00 | 53.00 | 53.67 | 4582 | NYSE | PDS | Wed, Jan 17, 2024 | 53.42 | 53.89 | 52.61 | 53.20 | 4581 | NYSE | PDS | Tue, Jan 16, 2024 | 55.37 | 56.19 | 54.09 | 54.45 | 4580 | NYSE | PDS | Fri, Jan 12, 2024 | 55.79 | 56.09 | 54.23 | 54.93 | 4579 | NYSE | PDS | Thu, Jan 11, 2024 | 53.65 | 54.80 | 52.66 | 54.70 | 4578 | NYSE | PDS | Wed, Jan 10, 2024 | 53.20 | 53.69 | 52.29 | 53.64 | 4577 | NYSE | PDS | Tue, Jan 9, 2024 | 53.58 | 53.58 | 52.39 | 52.60 | 4576 | NYSE | PDS | Mon, Jan 8, 2024 | 53.63 | 54.16 | 51.53 | 53.58 | 4575 | NYSE | PDS | Fri, Jan 5, 2024 | 53.26 | 54.99 | 52.84 | 54.82 | 4574 | NYSE | PDS | Thu, Jan 4, 2024 | 53.57 | 53.77 | 51.81 | 52.02 | 4573 | NYSE | PDS | Wed, Jan 3, 2024 | 52.56 | 53.65 | 51.80 | 52.93 | 4572 | NYSE | PDS | Tue, Jan 2, 2024 | 54.82 | 54.82 | 52.17 | 52.40 | 4571 | NYSE | PDS | Fri, Dec 29, 2023 | 54.63 | 54.63 | 54.09 | 54.29 | 4570 | NYSE | PDS | Thu, Dec 28, 2023 | 54.27 | 55.13 | 53.91 | 54.31 | 4569 | NYSE | PDS | Wed, Dec 27, 2023 | 55.45 | 55.67 | 54.59 | 54.59 | 4568 | NYSE | PDS | Tue, Dec 26, 2023 | 54.56 | 55.85 | 54.25 | 55.21 | 4567 | NYSE | PDS | Fri, Dec 22, 2023 | 54.76 | 55.09 | 53.91 | 53.99 | 4566 | NYSE | PDS | Thu, Dec 21, 2023 | 53.94 | 54.31 | 53.59 | 54.00 | 4565 | NYSE | PDS | Wed, Dec 20, 2023 | 54.46 | 55.40 | 53.86 | 53.90 | 4564 | NYSE | PDS | Tue, Dec 19, 2023 | 54.00 | 54.54 | 53.35 | 54.52 | 4563 | NYSE | PDS | Mon, Dec 18, 2023 | 54.95 | 55.67 | 53.42 | 53.79 | 4562 | NYSE | PDS | Fri, Dec 15, 2023 | 54.64 | 54.64 | 53.06 | 53.80 | 4561 | NYSE | PDS | Thu, Dec 14, 2023 | 53.54 | 54.97 | 53.54 | 54.66 | 4560 | NYSE | PDS | Wed, Dec 13, 2023 | 50.04 | 52.48 | 49.67 | 52.32 | 4559 | NYSE | PDS | Tue, Dec 12, 2023 | 51.00 | 51.39 | 49.68 | 49.73 | 4558 | NYSE | PDS | Mon, Dec 11, 2023 | 52.62 | 52.89 | 51.23 | 51.52 | 4557 | NYSE | PDS | Fri, Dec 8, 2023 | 53.35 | 53.96 | 52.81 | 52.85 | 4556 | NYSE | PDS | Thu, Dec 7, 2023 | 52.57 | 53.48 | 52.12 | 52.60 | 4555 | NYSE | PDS | Wed, Dec 6, 2023 | 54.12 | 54.83 | 52.59 | 52.64 | 4554 | NYSE | PDS | Tue, Dec 5, 2023 | 56.76 | 57.20 | 54.75 | 54.76 | 4553 | NYSE | PDS | Mon, Dec 4, 2023 | 57.18 | 57.42 | 56.50 | 57.19 | 4552 | NYSE | PDS | Fri, Dec 1, 2023 | 57.80 | 59.11 | 57.59 | 57.77 | 4551 | NYSE | PDS | Thu, Nov 30, 2023 | 58.39 | 59.73 | 57.21 | 57.80 | 4550 | NYSE | PDS | Wed, Nov 29, 2023 | 57.70 | 58.07 | 56.78 | 57.79 | 4549 | NYSE | PDS | Tue, Nov 28, 2023 | 58.73 | 58.73 | 56.98 | 57.06 | 4548 | NYSE | PDS | Mon, Nov 27, 2023 | 58.87 | 59.08 | 58.05 | 58.30 | 4547 | NYSE | PDS | Fri, Nov 24, 2023 | 57.63 | 60.28 | 57.63 | 58.87 | 4546 | NYSE | PDS | Wed, Nov 22, 2023 | 56.11 | 56.48 | 54.79 | 56.33 | 4545 | NYSE | PDS | Tue, Nov 21, 2023 | 58.00 | 58.00 | 56.30 | 56.96 | 4544 | NYSE | PDS | Mon, Nov 20, 2023 | 60.35 | 60.75 | 58.72 | 58.78 | 4543 | NYSE | PDS | Fri, Nov 17, 2023 | 58.18 | 60.27 | 57.87 | 59.72 | 4542 | NYSE | PDS | Thu, Nov 16, 2023 | 58.23 | 58.43 | 56.58 | 57.36 | 4541 | NYSE | PDS | Wed, Nov 15, 2023 | 59.77 | 60.19 | 58.40 | 58.86 | 4540 | NYSE | PDS | Tue, Nov 14, 2023 | 59.60 | 60.51 | 59.29 | 60.26 | 4539 | NYSE | PDS | Mon, Nov 13, 2023 | 60.20 | 60.20 | 58.60 | 59.07 | 4538 | NYSE | PDS | Fri, Nov 10, 2023 | 59.86 | 60.26 | 58.71 | 59.49 | 4537 | NYSE | PDS | Thu, Nov 9, 2023 | 59.24 | 61.42 | 59.06 | 59.09 | 4536 | NYSE | PDS | Wed, Nov 8, 2023 | 57.47 | 59.30 | 57.47 | 58.50 | 4535 | NYSE | PDS | Tue, Nov 7, 2023 | 58.80 | 59.28 | 57.56 | 57.92 | 4534 | NYSE | PDS | Mon, Nov 6, 2023 | 60.00 | 60.66 | 59.35 | 59.72 | 4533 | NYSE | PDS | Fri, Nov 3, 2023 | 59.31 | 60.74 | 59.31 | 60.00 | 4532 | NYSE | PDS | Thu, Nov 2, 2023 | 58.09 | 60.15 | 57.95 | 59.66 | 4531 | NYSE | PDS | Wed, Nov 1, 2023 | 58.17 | 59.14 | 57.37 | 57.72 | 4530 | NYSE | PDS | Tue, Oct 31, 2023 | 58.44 | 59.32 | 57.56 | 58.05 | 4529 | NYSE | PDS | Mon, Oct 30, 2023 | 58.44 | 59.23 | 57.59 | 58.24 | 4528 | NYSE | PDS | Fri, Oct 27, 2023 | 58.12 | 59.93 | 57.67 | 57.81 | 4527 | NYSE | PDS | Thu, Oct 26, 2023 | 56.53 | 58.82 | 56.31 | 57.87 | 4526 | NYSE | PDS | Wed, Oct 25, 2023 | 59.84 | 61.12 | 59.54 | 60.31 | 4525 | NYSE | PDS | Tue, Oct 24, 2023 | 59.94 | 61.24 | 59.27 | 60.24 | 4524 | NYSE | PDS | Mon, Oct 23, 2023 | 59.17 | 60.83 | 58.80 | 60.00 | 4523 | NYSE | PDS | Fri, Oct 20, 2023 | 60.64 | 61.17 | 58.47 | 60.23 | 4522 | NYSE | PDS | Thu, Oct 19, 2023 | 60.66 | 62.52 | 59.24 | 61.37 | 4521 | NYSE | PDS | Wed, Oct 18, 2023 | 63.07 | 63.19 | 60.88 | 61.42 | 4520 | NYSE | PDS | Tue, Oct 17, 2023 | 61.73 | 63.50 | 61.73 | 63.05 | 4519 | NYSE | PDS | Mon, Oct 16, 2023 | 62.00 | 62.85 | 61.15 | 62.13 | 4518 | NYSE | PDS | Fri, Oct 13, 2023 | 62.09 | 62.54 | 61.10 | 61.70 | 4517 | NYSE | PDS | Thu, Oct 12, 2023 | 62.60 | 62.60 | 60.18 | 61.22 | 4516 | NYSE | PDS | Wed, Oct 11, 2023 | 62.01 | 62.25 | 61.26 | 62.16 | 4515 | NYSE | PDS | Tue, Oct 10, 2023 | 62.05 | 62.75 | 61.45 | 62.28 | 4514 | NYSE | PDS | Mon, Oct 9, 2023 | 60.93 | 62.45 | 60.93 | 61.89 | 4513 | NYSE | PDS | Fri, Oct 6, 2023 | 58.67 | 59.80 | 56.96 | 59.23 | 4512 | NYSE | PDS | Thu, Oct 5, 2023 | 58.40 | 59.78 | 58.10 | 58.32 | 4511 | NYSE | PDS | Wed, Oct 4, 2023 | 61.81 | 61.81 | 58.28 | 58.79 | 4510 | NYSE | PDS | Tue, Oct 3, 2023 | 60.36 | 63.04 | 60.33 | 62.45 | 4509 | NYSE | PDS | Mon, Oct 2, 2023 | 66.80 | 66.80 | 61.56 | 61.95 | 4508 | NYSE | PDS | Fri, Sep 29, 2023 | 69.33 | 69.33 | 66.19 | 67.12 | 4507 | NYSE | PDS | Thu, Sep 28, 2023 | 68.48 | 69.98 | 68.01 | 68.93 | 4506 | NYSE | PDS | Wed, Sep 27, 2023 | 67.99 | 69.02 | 67.80 | 68.38 | 4505 | NYSE | PDS | Tue, Sep 26, 2023 | 67.72 | 68.33 | 66.63 | 66.75 | 4504 | NYSE | PDS | Mon, Sep 25, 2023 | 66.98 | 68.84 | 66.57 | 68.28 | 4503 | NYSE | PDS | Fri, Sep 22, 2023 | 67.97 | 68.81 | 67.05 | 67.11 | 4502 | NYSE | PDS | Thu, Sep 21, 2023 | 68.99 | 68.99 | 67.04 | 67.33 | 4501 | NYSE | PDS | Wed, Sep 20, 2023 | 69.40 | 70.94 | 68.55 | 68.62 | 4500 | NYSE | PDS | Tue, Sep 19, 2023 | 72.80 | 72.80 | 69.16 | 69.99 | 4499 | NYSE | PDS | Mon, Sep 18, 2023 | 73.29 | 73.82 | 72.22 | 72.32 | 4498 | NYSE | PDS | Fri, Sep 15, 2023 | 72.01 | 73.11 | 71.67 | 72.59 | 4497 | NYSE | PDS | Thu, Sep 14, 2023 | 72.52 | 73.24 | 71.94 | 72.16 | 4496 | NYSE | PDS | Wed, Sep 13, 2023 | 72.38 | 72.77 | 71.32 | 72.03 | 4495 | NYSE | PDS | Tue, Sep 12, 2023 | 69.70 | 72.39 | 69.70 | 72.03 | 4494 | NYSE | PDS | Mon, Sep 11, 2023 | 70.89 | 71.47 | 68.94 | 69.05 | 4493 | NYSE | PDS | Fri, Sep 8, 2023 | 69.39 | 73.43 | 69.39 | 70.20 | 4492 | NYSE | PDS | Thu, Sep 7, 2023 | 66.78 | 69.00 | 66.78 | 68.63 | 4491 | NYSE | PDS | Wed, Sep 6, 2023 | 67.11 | 68.01 | 65.91 | 67.05 | 4490 | NYSE | PDS | Tue, Sep 5, 2023 | 68.75 | 68.83 | 66.93 | 67.31 | 4489 | NYSE | PDS | Fri, Sep 1, 2023 | 66.80 | 68.82 | 66.80 | 68.15 | 4488 | NYSE | PDS | Thu, Aug 31, 2023 | 65.82 | 66.22 | 64.77 | 65.92 | 4487 | NYSE | PDS | Wed, Aug 30, 2023 | 66.33 | 66.83 | 65.35 | 65.76 | 4486 | NYSE | PDS | Tue, Aug 29, 2023 | 65.47 | 66.75 | 64.82 | 65.94 | 4485 | NYSE | PDS | Mon, Aug 28, 2023 | 64.99 | 66.08 | 64.70 | 65.23 | 4484 | NYSE | PDS | Fri, Aug 25, 2023 | 64.44 | 65.09 | 63.88 | 64.46 | 4483 | NYSE | PDS | Thu, Aug 24, 2023 | 65.10 | 65.51 | 63.29 | 64.01 | 4482 | NYSE | PDS | Wed, Aug 23, 2023 | 64.77 | 66.06 | 63.81 | 65.35 | 4481 | NYSE | PDS | Tue, Aug 22, 2023 | 66.24 | 66.41 | 65.52 | 65.69 | 4480 | NYSE | PDS | Mon, Aug 21, 2023 | 65.50 | 66.25 | 64.91 | 65.86 | 4479 | NYSE | PDS | Fri, Aug 18, 2023 | 63.86 | 65.70 | 63.70 | 65.25 | 4478 | NYSE | PDS | Thu, Aug 17, 2023 | 65.82 | 66.40 | 64.09 | 64.48 | 4477 | NYSE | PDS | Wed, Aug 16, 2023 | 65.00 | 66.38 | 64.31 | 64.90 | 4476 | NYSE | PDS | Tue, Aug 15, 2023 | 65.80 | 65.80 | 64.48 | 65.15 | 4475 | NYSE | PDS | Mon, Aug 14, 2023 | 66.95 | 66.95 | 65.67 | 66.32 | 4474 | NYSE | PDS | Fri, Aug 11, 2023 | 66.33 | 67.67 | 66.33 | 67.16 | 4473 | NYSE | PDS | Thu, Aug 10, 2023 | 67.24 | 67.47 | 66.28 | 66.80 | 4472 | NYSE | PDS | Wed, Aug 9, 2023 | 67.52 | 68.68 | 66.78 | 66.79 | 4471 | NYSE | PDS | Tue, Aug 8, 2023 | 65.35 | 67.22 | 64.61 | 67.21 | 4470 | NYSE | PDS | Mon, Aug 7, 2023 | 66.28 | 66.91 | 65.08 | 65.37 | 4469 | NYSE | PDS | Fri, Aug 4, 2023 | 65.90 | 67.03 | 65.75 | 66.31 | 4468 | NYSE | PDS | Thu, Aug 3, 2023 | 65.14 | 66.10 | 64.75 | 65.81 | 4467 | NYSE | PDS | Wed, Aug 2, 2023 | 63.71 | 65.11 | 62.87 | 64.89 | 4466 | NYSE | PDS | Tue, Aug 1, 2023 | 66.00 | 66.00 | 63.56 | 64.19 | 4465 | NYSE | PDS | Mon, Jul 31, 2023 | 66.33 | 67.73 | 66.27 | 66.46 | 4464 | NYSE | PDS | Fri, Jul 28, 2023 | 64.00 | 66.50 | 64.00 | 65.91 | 4463 | NYSE | PDS | Thu, Jul 27, 2023 | 60.60 | 63.94 | 60.17 | 63.19 | 4462 | NYSE | PDS | Wed, Jul 26, 2023 | 59.35 | 59.81 | 58.26 | 59.25 | 4461 | NYSE | PDS | Tue, Jul 25, 2023 | 58.21 | 59.88 | 57.77 | 59.43 | 4460 | NYSE | PDS | Mon, Jul 24, 2023 | 57.63 | 58.25 | 56.78 | 58.07 | 4459 | NYSE | PDS | Fri, Jul 21, 2023 | 56.48 | 57.15 | 56.14 | 57.15 | 4458 | NYSE | PDS | Thu, Jul 20, 2023 | 55.44 | 57.32 | 54.81 | 56.63 | 4457 | NYSE | PDS | Wed, Jul 19, 2023 | 57.36 | 58.41 | 56.57 | 57.00 | 4456 | NYSE | PDS | Tue, Jul 18, 2023 | 53.90 | 57.54 | 53.90 | 56.65 | 4455 | NYSE | PDS | Mon, Jul 17, 2023 | 52.31 | 54.54 | 52.08 | 53.88 | 4454 | NYSE | PDS | Fri, Jul 14, 2023 | 54.86 | 54.88 | 52.39 | 52.55 | 4453 | NYSE | PDS | Thu, Jul 13, 2023 | 52.68 | 55.26 | 52.00 | 55.06 | 4452 | NYSE | PDS | Wed, Jul 12, 2023 | 51.99 | 53.30 | 51.99 | 52.31 | 4451 | NYSE | PDS | Tue, Jul 11, 2023 | 50.10 | 51.40 | 49.70 | 51.31 | 4450 | NYSE | PDS | Mon, Jul 10, 2023 | 51.12 | 51.32 | 49.62 | 49.86 | 4449 | NYSE | PDS | Fri, Jul 7, 2023 | 47.45 | 51.69 | 47.45 | 51.05 | 4448 | NYSE | PDS | Thu, Jul 6, 2023 | 48.71 | 48.78 | 46.29 | 47.77 | 4447 | NYSE | PDS | Wed, Jul 5, 2023 | 49.91 | 49.91 | 48.62 | 49.23 | 4446 | NYSE | PDS | Mon, Jul 3, 2023 | 48.88 | 49.63 | 48.59 | 49.47 | 4445 | NYSE | PDS | Fri, Jun 30, 2023 | 48.59 | 49.52 | 47.43 | 48.75 | 4444 | NYSE | PDS | Thu, Jun 29, 2023 | 46.95 | 48.54 | 46.95 | 48.16 | 4443 | NYSE | PDS | Wed, Jun 28, 2023 | 46.02 | 46.78 | 45.09 | 46.56 | 4442 | NYSE | PDS | Tue, Jun 27, 2023 | 45.93 | 46.48 | 45.54 | 46.00 | 4441 | NYSE | PDS | Mon, Jun 26, 2023 | 45.95 | 47.45 | 45.95 | 46.29 | 4440 | NYSE | PDS | Fri, Jun 23, 2023 | 45.44 | 46.65 | 44.92 | 45.81 | 4439 | NYSE | PDS | Thu, Jun 22, 2023 | 45.93 | 46.50 | 45.48 | 46.07 | 4438 | NYSE | PDS | Wed, Jun 21, 2023 | 45.84 | 47.44 | 45.84 | 46.65 | 4437 | NYSE | PDS | Tue, Jun 20, 2023 | 46.62 | 46.62 | 45.20 | 46.04 | 4436 | NYSE | PDS | Fri, Jun 16, 2023 | 47.60 | 47.66 | 46.82 | 47.06 | 4435 | NYSE | PDS | Thu, Jun 15, 2023 | 45.26 | 48.00 | 45.26 | 47.50 | 4434 | NYSE | PDS | Wed, Jun 14, 2023 | 46.97 | 46.97 | 44.86 | 45.16 | 4433 | NYSE | PDS | Tue, Jun 13, 2023 | 45.75 | 48.11 | 45.75 | 46.44 | 4432 | NYSE | PDS | Mon, Jun 12, 2023 | 45.38 | 45.78 | 44.68 | 45.33 | 4431 | NYSE | PDS | Fri, Jun 9, 2023 | 45.98 | 46.53 | 45.24 | 46.06 | 4430 | NYSE | PDS | Thu, Jun 8, 2023 | 47.56 | 47.57 | 45.10 | 46.20 | 4429 | NYSE | PDS | Wed, Jun 7, 2023 | 45.76 | 47.73 | 45.76 | 47.33 | 4428 | NYSE | PDS | Tue, Jun 6, 2023 | 44.52 | 45.66 | 44.52 | 45.30 | 4427 | NYSE | PDS | Mon, Jun 5, 2023 | 46.70 | 45.91 | 45.04 | 45.97 | 4426 | NYSE | PDS | Fri, Jun 2, 2023 | 44.77 | 46.37 | 44.77 | 45.97 | 4425 | NYSE | PDS | Thu, Jun 1, 2023 | 41.87 | 44.53 | 41.87 | 43.70 | 4424 | NYSE | PDS | Wed, May 31, 2023 | 42.03 | 42.62 | 41.56 | 42.07 | 4423 | NYSE | PDS | Tue, May 30, 2023 | 43.74 | 44.09 | 42.53 | 43.22 | 4422 | NYSE | PDS | Fri, May 26, 2023 | 45.88 | 45.88 | 44.47 | 44.49 | 4421 | NYSE | PDS | Thu, May 25, 2023 | 45.72 | 45.77 | 44.72 | 45.43 | 4420 | NYSE | PDS | Wed, May 24, 2023 | 46.81 | 47.04 | 45.91 | 46.62 | 4419 | NYSE | PDS | Tue, May 23, 2023 | 47.17 | 47.31 | 46.38 | 46.45 | 4418 | NYSE | PDS | Mon, May 22, 2023 | 46.66 | 47.38 | 46.18 | 46.87 | 4417 | NYSE | PDS | Fri, May 19, 2023 | 47.91 | 47.91 | 46.32 | 46.41 | 4416 | NYSE | PDS | Thu, May 18, 2023 | 46.36 | 47.23 | 45.86 | 47.14 | 4415 | NYSE | PDS | Wed, May 17, 2023 | 46.12 | 47.34 | 45.82 | 46.67 | 4414 | NYSE | PDS | Tue, May 16, 2023 | 47.14 | 47.14 | 45.35 | 45.40 | 4413 | NYSE | PDS | Mon, May 15, 2023 | 46.44 | 47.47 | 45.84 | 47.20 | 4412 | NYSE | PDS | Fri, May 12, 2023 | 46.26 | 46.79 | 45.63 | 46.10 | 4411 | NYSE | PDS | Thu, May 11, 2023 | 46.22 | 46.22 | 44.99 | 45.85 | 4410 | NYSE | PDS | Wed, May 10, 2023 | 48.65 | 48.65 | 46.66 | 46.86 | 4409 | NYSE | PDS | Tue, May 9, 2023 | 47.83 | 48.82 | 47.30 | 48.10 | 4408 | NYSE | PDS | Mon, May 8, 2023 | 49.47 | 50.00 | 48.23 | 48.25 | 4407 | NYSE | PDS | Fri, May 5, 2023 | 46.86 | 49.14 | 46.86 | 48.64 | 4406 | NYSE | PDS | Thu, May 4, 2023 | 45.70 | 45.99 | 44.60 | 45.57 | 4405 | NYSE | PDS | Wed, May 3, 2023 | 45.11 | 45.95 | 44.68 | 45.14 | 4404 | NYSE | PDS | Tue, May 2, 2023 | 47.79 | 48.00 | 45.41 | 45.44 | 4403 | NYSE | PDS | Mon, May 1, 2023 | 49.56 | 49.56 | 47.84 | 48.49 | 4402 | NYSE | PDS | Fri, Apr 28, 2023 | 50.45 | 50.81 | 49.18 | 49.73 | 4401 | NYSE | PDS | Thu, Apr 27, 2023 | 52.30 | 52.52 | 50.09 | 50.33 | 4400 | NYSE | PDS | Wed, Apr 26, 2023 | 53.01 | 53.66 | 49.51 | 52.37 | 4399 | NYSE | PDS | Tue, Apr 25, 2023 | 51.49 | 51.49 | 49.05 | 49.74 | 4398 | NYSE | PDS | Mon, Apr 24, 2023 | 49.67 | 52.02 | 49.67 | 51.75 | 4397 | NYSE | PDS | Fri, Apr 21, 2023 | 50.66 | 51.08 | 49.46 | 49.56 | 4396 | NYSE | PDS | Thu, Apr 20, 2023 | 50.31 | 50.97 | 50.08 | 50.63 | 4395 | NYSE | PDS | Wed, Apr 19, 2023 | 50.17 | 51.27 | 49.55 | 51.20 | 4394 | NYSE | PDS | Tue, Apr 18, 2023 | 50.08 | 51.21 | 49.65 | 51.15 | 4393 | NYSE | PDS | Mon, Apr 17, 2023 | 51.96 | 51.96 | 50.08 | 50.20 | 4392 | NYSE | PDS | Fri, Apr 14, 2023 | 51.61 | 52.14 | 51.20 | 51.96 | 4391 | NYSE | PDS | Thu, Apr 13, 2023 | 50.80 | 52.05 | 50.80 | 51.60 | 4390 | NYSE | PDS | Wed, Apr 12, 2023 | 51.43 | 51.43 | 49.92 | 50.53 | 4389 | NYSE | PDS | Tue, Apr 11, 2023 | 50.55 | 51.48 | 50.12 | 50.66 | 4388 | NYSE | PDS | Mon, Apr 10, 2023 | 50.52 | 51.53 | 50.25 | 50.57 | 4387 | NYSE | PDS | Thu, Apr 6, 2023 | 52.69 | 52.70 | 50.41 | 50.59 | 4386 | NYSE | PDS | Wed, Apr 5, 2023 | 52.50 | 53.20 | 51.32 | 52.68 | 4385 | NYSE | PDS | Tue, Apr 4, 2023 | 54.12 | 54.33 | 52.42 | 52.82 | 4384 | NYSE | PDS | Mon, Apr 3, 2023 | 53.20 | 56.68 | 52.97 | 53.93 | 4383 | NYSE | PDS | Fri, Mar 31, 2023 | 51.44 | 51.57 | 50.31 | 51.42 | 4382 | NYSE | PDS | Thu, Mar 30, 2023 | 53.45 | 53.45 | 51.14 | 51.49 | 4381 | NYSE | PDS | Wed, Mar 29, 2023 | 51.36 | 52.80 | 51.01 | 52.62 | 4380 | NYSE | PDS | Tue, Mar 28, 2023 | 49.14 | 51.27 | 49.14 | 50.11 | 4379 | NYSE | PDS | Mon, Mar 27, 2023 | 49.34 | 49.73 | 47.84 | 49.65 | 4378 | NYSE | PDS | Fri, Mar 24, 2023 | 47.38 | 48.65 | 47.00 | 48.52 | 4377 | NYSE | PDS | Thu, Mar 23, 2023 | 49.54 | 50.60 | 47.95 | 48.51 | 4376 | NYSE | PDS | Wed, Mar 22, 2023 | 49.87 | 49.98 | 48.51 | 49.22 | 4375 | NYSE | PDS | Tue, Mar 21, 2023 | 47.38 | 50.59 | 47.38 | 49.78 | 4374 | NYSE | PDS | Mon, Mar 20, 2023 | 45.22 | 47.18 | 45.22 | 46.02 | 4373 | NYSE | PDS | Fri, Mar 17, 2023 | 47.50 | 47.50 | 44.92 | 45.22 | 4372 | NYSE | PDS | Thu, Mar 16, 2023 | 46.11 | 48.30 | 45.43 | 48.15 | 4371 | NYSE | PDS | Wed, Mar 15, 2023 | 49.42 | 49.42 | 45.71 | 47.21 | 4370 | NYSE | PDS | Tue, Mar 14, 2023 | 52.65 | 53.31 | 49.84 | 50.67 | 4369 | NYSE | PDS | Mon, Mar 13, 2023 | 52.66 | 54.59 | 51.92 | 52.51 | 4368 | NYSE | PDS | Fri, Mar 10, 2023 | 55.19 | 55.85 | 53.95 | 54.35 | 4367 | NYSE | PDS | Thu, Mar 9, 2023 | 58.25 | 58.73 | 55.45 | 55.70 | 4366 | NYSE | PDS | Wed, Mar 8, 2023 | 58.87 | 60.03 | 57.24 | 57.63 | 4365 | NYSE | PDS | Tue, Mar 7, 2023 | 60.08 | 60.85 | 58.65 | 58.92 | 4364 | NYSE | PDS | Mon, Mar 6, 2023 | 59.50 | 60.62 | 59.08 | 60.28 | 4363 | NYSE | PDS | Fri, Mar 3, 2023 | 57.79 | 60.55 | 57.67 | 59.97 | 4362 | NYSE | PDS | Thu, Mar 2, 2023 | 57.84 | 59.19 | 57.29 | 59.01 | 4361 | NYSE | PDS | Wed, Mar 1, 2023 | 57.06 | 58.65 | 57.06 | 58.21 | 4360 | NYSE | PDS | Tue, Feb 28, 2023 | 58.39 | 58.59 | 56.99 | 56.99 | 4359 | NYSE | PDS | Mon, Feb 27, 2023 | 57.32 | 58.16 | 56.56 | 57.55 | 4358 | NYSE | PDS | Fri, Feb 24, 2023 | 55.82 | 57.02 | 55.12 | 56.82 | 4357 | NYSE | PDS | Thu, Feb 23, 2023 | 56.74 | 57.41 | 55.22 | 56.82 | 4356 | NYSE | PDS | Wed, Feb 22, 2023 | 56.60 | 57.24 | 55.25 | 55.57 | 4355 | NYSE | PDS | Tue, Feb 21, 2023 | 59.31 | 60.06 | 56.56 | 56.56 | 4354 | NYSE | PDS | Fri, Feb 17, 2023 | 61.52 | 61.89 | 59.39 | 59.39 | 4353 | NYSE | PDS | Thu, Feb 16, 2023 | 60.49 | 63.08 | 59.97 | 62.49 | 4352 | NYSE | PDS | Wed, Feb 15, 2023 | 62.96 | 62.96 | 59.85 | 60.61 | 4351 | NYSE | PDS | Tue, Feb 14, 2023 | 64.29 | 66.18 | 63.33 | 63.35 | 4350 | NYSE | PDS | Mon, Feb 13, 2023 | 64.67 | 66.58 | 62.49 | 65.32 | 4349 | NYSE | PDS | Fri, Feb 10, 2023 | 62.65 | 65.21 | 59.77 | 64.91 | 4348 | NYSE | PDS | Thu, Feb 9, 2023 | 71.70 | 71.70 | 61.75 | 62.03 | 4347 | NYSE | PDS | Wed, Feb 8, 2023 | 72.42 | 73.24 | 71.74 | 72.05 | 4346 | NYSE | PDS | Tue, Feb 7, 2023 | 71.60 | 72.03 | 70.63 | 71.63 | 4345 | NYSE | PDS | Mon, Feb 6, 2023 | 73.96 | 74.36 | 70.51 | 71.22 | 4344 | NYSE | PDS | Fri, Feb 3, 2023 | 71.72 | 75.10 | 71.72 | 73.96 | 4343 | NYSE | PDS | Thu, Feb 2, 2023 | 77.95 | 77.95 | 70.66 | 71.98 | 4342 | NYSE | PDS | Wed, Feb 1, 2023 | 79.51 | 80.07 | 76.08 | 78.29 | 4341 | NYSE | PDS | Tue, Jan 31, 2023 | 78.51 | 80.36 | 77.78 | 79.67 | 4340 | NYSE | PDS | Mon, Jan 30, 2023 | 80.94 | 81.12 | 78.91 | 79.53 | 4339 | NYSE | PDS | Fri, Jan 27, 2023 | 82.45 | 83.28 | 80.80 | 81.14 | 4338 | NYSE | PDS | Thu, Jan 26, 2023 | 85.81 | 86.20 | 81.30 | 82.51 | 4337 | NYSE | PDS | Wed, Jan 25, 2023 | 81.86 | 84.42 | 81.23 | 84.24 | 4336 | NYSE | PDS | Tue, Jan 24, 2023 | 84.50 | 84.54 | 82.20 | 82.72 | 4335 | NYSE | PDS | Mon, Jan 23, 2023 | 85.46 | 85.89 | 83.98 | 84.51 | 4334 | NYSE | PDS | Fri, Jan 20, 2023 | 85.47 | 86.94 | 83.69 | 85.50 | 4333 | NYSE | PDS | Thu, Jan 19, 2023 | 81.13 | 86.69 | 80.90 | 84.53 | 4332 | NYSE | PDS | Wed, Jan 18, 2023 | 82.72 | 83.48 | 80.89 | 81.41 | 4331 | NYSE | PDS | Tue, Jan 17, 2023 | 82.50 | 83.91 | 81.35 | 81.89 | 4330 | NYSE | PDS | Fri, Jan 13, 2023 | 81.13 | 81.99 | 79.75 | 81.60 | 4329 | NYSE | PDS | Thu, Jan 12, 2023 | 79.99 | 81.85 | 79.23 | 81.13 | 4328 | NYSE | PDS | Wed, Jan 11, 2023 | 78.70 | 79.88 | 78.36 | 79.13 | 4327 | NYSE | PDS | Tue, Jan 10, 2023 | 77.04 | 78.50 | 75.39 | 78.16 | 4326 | NYSE | PDS | Mon, Jan 9, 2023 | 75.91 | 79.64 | 75.10 | 77.01 | 4325 | NYSE | PDS | Fri, Jan 6, 2023 | 74.60 | 75.27 | 73.24 | 73.54 | 4324 | NYSE | PDS | Thu, Jan 5, 2023 | 70.62 | 73.64 | 70.26 | 73.09 | 4323 | NYSE | PDS | Wed, Jan 4, 2023 | 69.79 | 71.28 | 69.59 | 70.95 | 4322 | NYSE | PDS | Tue, Jan 3, 2023 | 76.23 | 76.23 | 69.49 | 70.32 | 4321 | NYSE | PDS | Fri, Dec 30, 2022 | 76.00 | 76.92 | 75.74 | 76.70 | 4320 | NYSE | PDS | Thu, Dec 29, 2022 | 73.82 | 77.27 | 73.82 | 77.10 | 4319 | NYSE | PDS | Wed, Dec 28, 2022 | 77.60 | 78.60 | 73.97 | 74.34 | 4318 | NYSE | PDS | Tue, Dec 27, 2022 | 78.56 | 78.59 | 76.31 | 77.97 | 4317 | NYSE | PDS | Fri, Dec 23, 2022 | 75.53 | 77.48 | 75.06 | 77.36 | 4316 | NYSE | PDS | Thu, Dec 22, 2022 | 78.00 | 78.24 | 73.80 | 74.66 | 4315 | NYSE | PDS | Wed, Dec 21, 2022 | 75.00 | 78.10 | 74.45 | 77.99 | 4314 | NYSE | PDS | Tue, Dec 20, 2022 | 72.70 | 74.36 | 72.14 | 73.63 | 4313 | NYSE | PDS | Mon, Dec 19, 2022 | 74.64 | 75.31 | 72.69 | 73.09 | 4312 | NYSE | PDS | Fri, Dec 16, 2022 | 72.40 | 73.49 | 71.71 | 73.14 | 4311 | NYSE | PDS | Thu, Dec 15, 2022 | 74.40 | 74.94 | 72.50 | 74.46 | 4310 | NYSE | PDS | Wed, Dec 14, 2022 | 75.71 | 76.45 | 73.40 | 75.71 | 4309 | NYSE | PDS | Tue, Dec 13, 2022 | 75.00 | 75.77 | 73.75 | 74.91 | 4308 | NYSE | PDS | Mon, Dec 12, 2022 | 71.94 | 74.40 | 71.57 | 73.19 | 4307 | NYSE | PDS | Fri, Dec 9, 2022 | 73.22 | 73.40 | 71.39 | 71.44 | 4306 | NYSE | PDS | Thu, Dec 8, 2022 | 75.63 | 75.76 | 72.75 | 73.31 | 4305 | NYSE | PDS | Wed, Dec 7, 2022 | 75.14 | 75.64 | 73.71 | 73.74 | 4304 | NYSE | PDS | Tue, Dec 6, 2022 | 76.10 | 78.20 | 74.20 | 74.64 | 4303 | NYSE | PDS | Mon, Dec 5, 2022 | 81.99 | 82.00 | 76.71 | 76.87 | 4302 | NYSE | PDS | Fri, Dec 2, 2022 | 78.70 | 80.72 | 78.70 | 80.58 | 4301 | NYSE | PDS | Thu, Dec 1, 2022 | 80.92 | 81.74 | 78.77 | 78.77 | 4300 | NYSE | PDS | Wed, Nov 30, 2022 | 79.80 | 80.32 | 78.22 | 79.77 | 4299 | NYSE | PDS | Tue, Nov 29, 2022 | 78.10 | 79.14 | 77.08 | 78.23 | 4298 | NYSE | PDS | Mon, Nov 28, 2022 | 77.98 | 78.84 | 76.58 | 76.74 | 4297 | NYSE | PDS | Fri, Nov 25, 2022 | 81.91 | 81.91 | 80.49 | 80.69 | 4296 | NYSE | PDS | Wed, Nov 23, 2022 | 79.65 | 81.58 | 79.65 | 81.28 | 4295 | NYSE | PDS | Tue, Nov 22, 2022 | 79.01 | 82.20 | 78.30 | 82.03 | 4294 | NYSE | PDS | Mon, Nov 21, 2022 | 77.21 | 77.70 | 73.23 | 77.38 | 4293 | NYSE | PDS | Fri, Nov 18, 2022 | 79.09 | 80.32 | 77.42 | 79.47 | 4292 | NYSE | PDS | Thu, Nov 17, 2022 | 80.50 | 81.30 | 78.77 | 80.98 | 4291 | NYSE | PDS | Wed, Nov 16, 2022 | 82.09 | 83.01 | 80.68 | 82.38 | 4290 | NYSE | PDS | Tue, Nov 15, 2022 | 84.35 | 84.35 | 81.53 | 83.68 | 4289 | NYSE | PDS | Mon, Nov 14, 2022 | 83.74 | 84.54 | 82.53 | 83.69 | 4288 | NYSE | PDS | Fri, Nov 11, 2022 | 85.00 | 87.36 | 83.43 | 83.75 | 4287 | NYSE | PDS | Thu, Nov 10, 2022 | 80.41 | 83.77 | 79.51 | 83.65 | 4286 | NYSE | PDS | Wed, Nov 9, 2022 | 82.47 | 82.65 | 77.67 | 78.53 | 4285 | NYSE | PDS | Tue, Nov 8, 2022 | 81.99 | 83.95 | 80.85 | 83.71 | 4284 | NYSE | PDS | Mon, Nov 7, 2022 | 80.32 | 82.00 | 79.49 | 81.98 | 4283 | NYSE | PDS | Fri, Nov 4, 2022 | 80.40 | 81.44 | 78.47 | 79.19 | 4282 | NYSE | PDS | Thu, Nov 3, 2022 | 75.13 | 78.99 | 75.00 | 78.16 | 4281 | NYSE | PDS | Wed, Nov 2, 2022 | 78.20 | 79.83 | 75.82 | 76.22 | 4280 | NYSE | PDS | Tue, Nov 1, 2022 | 75.58 | 78.22 | 75.40 | 78.16 | 4279 | NYSE | PDS | Mon, Oct 31, 2022 | 70.89 | 74.38 | 69.87 | 73.91 | 4278 | NYSE | PDS | Fri, Oct 28, 2022 | 67.78 | 71.93 | 67.78 | 71.88 | 4277 | NYSE | PDS | Thu, Oct 27, 2022 | 72.00 | 73.57 | 67.02 | 67.37 | 4276 | NYSE | PDS | Wed, Oct 26, 2022 | 64.91 | 69.90 | 64.89 | 68.48 | 4275 | NYSE | PDS | Tue, Oct 25, 2022 | 61.08 | 64.09 | 60.29 | 63.95 | 4274 | NYSE | PDS | Mon, Oct 24, 2022 | 61.27 | 62.17 | 60.48 | 61.03 | 4273 | NYSE | PDS | Fri, Oct 21, 2022 | 62.15 | 62.19 | 60.00 | 61.78 | 4272 | NYSE | PDS | Thu, Oct 20, 2022 | 63.84 | 63.84 | 61.20 | 61.49 | 4271 | NYSE | PDS | Wed, Oct 19, 2022 | 59.65 | 63.63 | 59.43 | 62.79 | 4270 | NYSE | PDS | Tue, Oct 18, 2022 | 57.32 | 59.23 | 56.75 | 58.93 | 4269 | NYSE | PDS | Mon, Oct 17, 2022 | 56.90 | 58.57 | 56.77 | 56.95 | 4268 | NYSE | PDS | Fri, Oct 14, 2022 | 56.21 | 57.27 | 55.78 | 55.78 | 4267 | NYSE | PDS | Thu, Oct 13, 2022 | 52.82 | 57.38 | 52.47 | 57.22 | 4266 | NYSE | PDS | Wed, Oct 12, 2022 | 54.35 | 54.60 | 52.28 | 53.99 | 4265 | NYSE | PDS | Tue, Oct 11, 2022 | 54.34 | 55.68 | 53.38 | 54.72 | 4264 | NYSE | PDS | Mon, Oct 10, 2022 | 56.65 | 57.27 | 54.68 | 54.93 | 4263 | NYSE | PDS | Fri, Oct 7, 2022 | 59.71 | 60.48 | 56.80 | 57.04 | 4262 | NYSE | PDS | Thu, Oct 6, 2022 | 57.89 | 59.37 | 57.51 | 59.09 | 4261 | NYSE | PDS | Wed, Oct 5, 2022 | 56.51 | 58.53 | 54.85 | 58.31 | 4260 | NYSE | PDS | Tue, Oct 4, 2022 | 56.86 | 56.91 | 55.18 | 56.40 | 4259 | NYSE | PDS | Mon, Oct 3, 2022 | 53.59 | 55.16 | 53.51 | 55.03 | 4258 | NYSE | PDS | Fri, Sep 30, 2022 | 50.08 | 51.49 | 49.40 | 50.63 | 4257 | NYSE | PDS | Thu, Sep 29, 2022 | 50.77 | 51.12 | 48.44 | 50.91 | 4256 | NYSE | PDS | Wed, Sep 28, 2022 | 51.12 | 51.88 | 49.33 | 51.51 | 4255 | NYSE | PDS | Tue, Sep 27, 2022 | 49.39 | 51.29 | 49.04 | 50.30 | 4254 | NYSE | PDS | Mon, Sep 26, 2022 | 50.04 | 51.70 | 47.86 | 47.88 | 4253 | NYSE | PDS | Fri, Sep 23, 2022 | 53.91 | 53.92 | 49.85 | 50.06 | 4252 | NYSE | PDS | Thu, Sep 22, 2022 | 61.44 | 61.44 | 56.46 | 56.53 | 4251 | NYSE | PDS | Wed, Sep 21, 2022 | 62.51 | 63.32 | 60.10 | 60.11 | 4250 | NYSE | PDS | Tue, Sep 20, 2022 | 61.35 | 62.09 | 60.66 | 61.99 | 4249 | NYSE | PDS | Mon, Sep 19, 2022 | 58.70 | 61.75 | 58.70 | 61.57 | 4248 | NYSE | PDS | Fri, Sep 16, 2022 | 61.54 | 61.67 | 59.90 | 61.13 | 4247 | NYSE | PDS | Thu, Sep 15, 2022 | 62.73 | 63.08 | 61.58 | 62.52 | 4246 | NYSE | PDS | Wed, Sep 14, 2022 | 60.88 | 64.39 | 60.88 | 64.05 | 4245 | NYSE | PDS | Tue, Sep 13, 2022 | 59.40 | 61.54 | 59.22 | 60.43 | 4244 | NYSE | PDS | Mon, Sep 12, 2022 | 61.61 | 61.77 | 60.53 | 61.06 | 4243 | NYSE | PDS | Fri, Sep 9, 2022 | 59.31 | 60.52 | 59.15 | 60.47 | 4242 | NYSE | PDS | Thu, Sep 8, 2022 | 58.99 | 59.00 | 56.60 | 57.94 | 4241 | NYSE | PDS | Wed, Sep 7, 2022 | 58.49 | 59.37 | 57.34 | 58.80 | 4240 | NYSE | PDS | Tue, Sep 6, 2022 | 62.59 | 62.59 | 59.68 | 60.07 | 4239 | NYSE | PDS | Fri, Sep 2, 2022 | 63.05 | 63.05 | 61.43 | 61.72 | 4238 | NYSE | PDS | Thu, Sep 1, 2022 | 60.00 | 61.13 | 58.43 | 60.81 | 4237 | NYSE | PDS | Wed, Aug 31, 2022 | 61.50 | 63.05 | 60.22 | 61.43 | 4236 | NYSE | PDS | Tue, Aug 30, 2022 | 68.00 | 68.00 | 61.59 | 63.05 | 4235 | NYSE | PDS | Mon, Aug 29, 2022 | 65.83 | 68.85 | 65.63 | 68.77 | 4234 | NYSE | PDS | Fri, Aug 26, 2022 | 66.90 | 67.35 | 65.25 | 65.89 | 4233 | NYSE | PDS | Thu, Aug 25, 2022 | 68.12 | 69.01 | 66.68 | 67.34 | 4232 | NYSE | PDS | Wed, Aug 24, 2022 | 66.34 | 67.95 | 65.60 | 67.80 | 4231 | NYSE | PDS | Tue, Aug 23, 2022 | 64.12 | 66.77 | 63.91 | 65.97 | 4230 | NYSE | PDS | Mon, Aug 22, 2022 | 62.00 | 62.61 | 60.45 | 62.49 | 4229 | NYSE | PDS | Fri, Aug 19, 2022 | 63.90 | 64.24 | 62.49 | 62.90 | 4228 | NYSE | PDS | Thu, Aug 18, 2022 | 63.25 | 65.00 | 63.00 | 64.86 | 4227 | NYSE | PDS | Wed, Aug 17, 2022 | 66.16 | 66.26 | 62.45 | 62.45 | 4226 | NYSE | PDS | Tue, Aug 16, 2022 | 66.12 | 67.82 | 65.85 | 66.14 | 4225 | NYSE | PDS | Mon, Aug 15, 2022 | 65.26 | 65.70 | 63.30 | 65.61 | 4224 | NYSE | PDS | Fri, Aug 12, 2022 | 65.49 | 67.48 | 65.48 | 67.39 | 4223 | NYSE | PDS | Thu, Aug 11, 2022 | 65.64 | 67.65 | 65.41 | 66.45 | 4222 | NYSE | PDS | Wed, Aug 10, 2022 | 63.29 | 64.96 | 62.19 | 64.63 | 4221 | NYSE | PDS | Tue, Aug 9, 2022 | 64.09 | 64.50 | 62.69 | 63.08 | 4220 | NYSE | PDS | Mon, Aug 8, 2022 | 62.67 | 64.45 | 62.67 | 63.31 | 4219 | NYSE | PDS | Fri, Aug 5, 2022 | 59.41 | 64.37 | 59.32 | 62.98 | 4218 | NYSE | PDS | Thu, Aug 4, 2022 | 66.29 | 66.46 | 60.63 | 60.86 | 4217 | NYSE | PDS | Wed, Aug 3, 2022 | 70.21 | 70.21 | 66.87 | 67.04 | 4216 | NYSE | PDS | Tue, Aug 2, 2022 | 67.15 | 69.83 | 66.25 | 69.42 | 4215 | NYSE | PDS | Mon, Aug 1, 2022 | 67.14 | 67.88 | 65.75 | 67.49 | 4214 | NYSE | PDS | Fri, Jul 29, 2022 | 68.56 | 68.98 | 67.01 | 68.17 | 4213 | NYSE | PDS | Thu, Jul 28, 2022 | 64.93 | 67.88 | 64.62 | 66.86 | 4212 | NYSE | PDS | Wed, Jul 27, 2022 | 64.99 | 64.99 | 60.50 | 63.83 | 4211 | NYSE | PDS | Tue, Jul 26, 2022 | 62.04 | 62.04 | 58.93 | 60.22 | 4210 | NYSE | PDS | Mon, Jul 25, 2022 | 57.52 | 61.28 | 56.59 | 60.66 | 4209 | NYSE | PDS | Fri, Jul 22, 2022 | 57.21 | 58.40 | 56.19 | 56.47 | 4208 | NYSE | PDS | Thu, Jul 21, 2022 | 57.17 | 57.17 | 55.47 | 56.78 | 4207 | NYSE | PDS | Wed, Jul 20, 2022 | 59.34 | 59.98 | 57.99 | 59.59 | 4206 | NYSE | PDS | Tue, Jul 19, 2022 | 58.36 | 61.07 | 58.30 | 60.51 | 4205 | NYSE | PDS | Mon, Jul 18, 2022 | 55.49 | 58.85 | 55.49 | 57.99 | 4204 | NYSE | PDS | Fri, Jul 15, 2022 | 51.97 | 53.16 | 49.52 | 53.16 | 4203 | NYSE | PDS | Thu, Jul 14, 2022 | 50.87 | 51.96 | 49.47 | 50.09 | 4202 | NYSE | PDS | Wed, Jul 13, 2022 | 53.00 | 55.04 | 53.00 | 53.39 | 4201 | NYSE | PDS | Tue, Jul 12, 2022 | 54.17 | 55.17 | 53.76 | 54.19 | 4200 | NYSE | PDS | Mon, Jul 11, 2022 | 55.68 | 56.52 | 54.88 | 56.16 | 4199 | NYSE | PDS | Fri, Jul 8, 2022 | 57.06 | 58.17 | 55.13 | 56.85 | 4198 | NYSE | PDS | Thu, Jul 7, 2022 | 54.94 | 57.03 | 54.94 | 56.31 | 4197 | NYSE | PDS | Wed, Jul 6, 2022 | 54.89 | 55.83 | 50.80 | 53.12 | 4196 | NYSE | PDS | Tue, Jul 5, 2022 | 63.00 | 63.00 | 55.00 | 56.11 | 4195 | NYSE | PDS | Fri, Jul 1, 2022 | 64.98 | 64.98 | 62.62 | 63.56 | 4194 | NYSE | PDS | Thu, Jun 30, 2022 | 63.07 | 64.91 | 61.84 | 64.02 | 4193 | NYSE | PDS | Wed, Jun 29, 2022 | 68.50 | 68.50 | 64.58 | 64.98 | 4192 | NYSE | PDS | Tue, Jun 28, 2022 | 65.81 | 68.02 | 65.45 | 67.30 | 4191 | NYSE | PDS | Mon, Jun 27, 2022 | 61.84 | 64.37 | 61.57 | 63.90 | 4190 | NYSE | PDS | Fri, Jun 24, 2022 | 58.58 | 61.44 | 57.98 | 60.95 | 4189 | NYSE | PDS | Thu, Jun 23, 2022 | 62.20 | 62.20 | 57.08 | 57.98 | 4188 | NYSE | PDS | Wed, Jun 22, 2022 | 64.02 | 65.18 | 62.16 | 62.19 | 4187 | NYSE | PDS | Tue, Jun 21, 2022 | 64.25 | 69.29 | 63.96 | 68.38 | 4186 | NYSE | PDS | Fri, Jun 17, 2022 | 64.30 | 65.07 | 59.30 | 61.47 | 4185 | NYSE | PDS | Thu, Jun 16, 2022 | 68.15 | 68.34 | 63.99 | 64.89 | 4184 | NYSE | PDS | Wed, Jun 15, 2022 | 69.89 | 71.36 | 68.06 | 70.33 | 4183 | NYSE | PDS | Tue, Jun 14, 2022 | 75.31 | 75.31 | 69.04 | 70.59 | 4182 | NYSE | PDS | Mon, Jun 13, 2022 | 76.89 | 77.20 | 72.08 | 74.38 | 4181 | NYSE | PDS | Fri, Jun 10, 2022 | 80.81 | 81.80 | 77.60 | 80.09 | 4180 | NYSE | PDS | Thu, Jun 9, 2022 | 83.90 | 84.51 | 82.36 | 82.45 | 4179 | NYSE | PDS | Wed, Jun 8, 2022 | 85.30 | 87.19 | 84.20 | 85.20 | 4178 | NYSE | PDS | Tue, Jun 7, 2022 | 83.70 | 85.87 | 83.20 | 85.39 | 4177 | NYSE | PDS | Mon, Jun 6, 2022 | 82.82 | 83.99 | 81.90 | 83.71 | 4176 | NYSE | PDS | Fri, Jun 3, 2022 | 81.96 | 82.22 | 80.18 | 82.20 | 4175 | NYSE | PDS | Thu, Jun 2, 2022 | 82.38 | 83.46 | 81.54 | 81.96 | 4174 | NYSE | PDS | Wed, Jun 1, 2022 | 79.50 | 84.36 | 78.62 | 83.46 | 4173 | NYSE | PDS | Tue, May 31, 2022 | 79.72 | 82.33 | 76.30 | 77.72 | 4172 | NYSE | PDS | Fri, May 27, 2022 | 77.72 | 78.86 | 77.06 | 77.61 | 4171 | NYSE | PDS | Thu, May 26, 2022 | 77.24 | 78.16 | 76.83 | 77.92 | 4170 | NYSE | PDS | Wed, May 25, 2022 | 78.55 | 80.00 | 75.36 | 76.13 | 4169 | NYSE | PDS | Tue, May 24, 2022 | 75.45 | 78.71 | 74.67 | 78.00 | 4168 | NYSE | PDS | Mon, May 23, 2022 | 74.50 | 76.49 | 73.74 | 75.67 | 4167 | NYSE | PDS | Fri, May 20, 2022 | 75.92 | 77.08 | 72.94 | 73.74 | 4166 | NYSE | PDS | Thu, May 19, 2022 | 70.47 | 75.26 | 69.68 | 74.81 | 4165 | NYSE | PDS | Wed, May 18, 2022 | 73.57 | 74.45 | 69.30 | 71.85 | 4164 | NYSE | PDS | Tue, May 17, 2022 | 69.86 | 74.27 | 69.59 | 73.60 | 4163 | NYSE | PDS | Mon, May 16, 2022 | 65.19 | 68.91 | 65.12 | 68.26 | 4162 | NYSE | PDS | Fri, May 13, 2022 | 64.15 | 65.49 | 63.51 | 64.73 | 4161 | NYSE | PDS | Thu, May 12, 2022 | 63.96 | 64.50 | 61.10 | 62.39 | 4160 | NYSE | PDS | Wed, May 11, 2022 | 64.18 | 67.90 | 64.18 | 64.73 | 4159 | NYSE | PDS | Tue, May 10, 2022 | 61.30 | 63.39 | 59.96 | 62.67 | 4158 | NYSE | PDS | Mon, May 9, 2022 | 64.08 | 64.08 | 59.97 | 60.79 | 4157 | NYSE | PDS | Fri, May 6, 2022 | 65.57 | 66.07 | 63.00 | 65.80 | 4156 | NYSE | PDS | Thu, May 5, 2022 | 70.70 | 70.75 | 64.59 | 65.56 | 4155 | NYSE | PDS | Wed, May 4, 2022 | 68.10 | 70.39 | 66.22 | 70.14 | 4154 | NYSE | PDS | Tue, May 3, 2022 | 62.72 | 67.61 | 62.02 | 66.97 | 4153 | NYSE | PDS | Mon, May 2, 2022 | 71.00 | 71.68 | 62.36 | 62.83 | 4152 | NYSE | PDS | Fri, Apr 29, 2022 | 71.74 | 73.02 | 70.71 | 71.79 | 4151 | NYSE | PDS | Thu, Apr 28, 2022 | 70.48 | 71.58 | 67.11 | 70.34 | 4150 | NYSE | PDS | Wed, Apr 27, 2022 | 68.34 | 70.01 | 67.86 | 68.63 | 4149 | NYSE | PDS | Tue, Apr 26, 2022 | 70.00 | 71.86 | 68.59 | 68.97 | 4148 | NYSE | PDS | Mon, Apr 25, 2022 | 68.79 | 70.05 | 66.25 | 69.54 | 4147 | NYSE | PDS | Fri, Apr 22, 2022 | 73.30 | 74.53 | 71.02 | 71.92 | 4146 | NYSE | PDS | Thu, Apr 21, 2022 | 77.81 | 77.81 | 73.43 | 73.58 | 4145 | NYSE | PDS | Wed, Apr 20, 2022 | 77.22 | 78.05 | 75.35 | 76.86 | 4144 | NYSE | PDS | Tue, Apr 19, 2022 | 80.00 | 80.05 | 76.52 | 77.22 | 4143 | NYSE | PDS | Mon, Apr 18, 2022 | 84.50 | 85.29 | 80.77 | 80.98 | 4142 | NYSE | PDS | Thu, Apr 14, 2022 | 83.89 | 84.00 | 81.65 | 82.37 | 4141 | NYSE | PDS | Wed, Apr 13, 2022 | 77.71 | 83.69 | 77.71 | 83.53 | 4140 | NYSE | PDS | Tue, Apr 12, 2022 | 76.74 | 79.36 | 76.00 | 76.14 | 4139 | NYSE | PDS | Mon, Apr 11, 2022 | 76.92 | 77.91 | 75.47 | 75.92 | 4138 | NYSE | PDS | Fri, Apr 8, 2022 | 76.72 | 78.05 | 75.42 | 77.60 | 4137 | NYSE | PDS | Thu, Apr 7, 2022 | 77.29 | 79.50 | 75.63 | 76.39 | 4136 | NYSE | PDS | Wed, Apr 6, 2022 | 77.91 | 79.00 | 75.49 | 77.09 | 4135 | NYSE | PDS | Tue, Apr 5, 2022 | 78.78 | 79.11 | 77.00 | 77.43 | 4134 | NYSE | PDS | Mon, Apr 4, 2022 | 76.77 | 78.40 | 75.53 | 78.18 | 4133 | NYSE | PDS | Fri, Apr 1, 2022 | 73.77 | 76.60 | 73.56 | 75.79 | 4132 | NYSE | PDS | Thu, Mar 31, 2022 | 71.46 | 74.84 | 70.99 | 73.92 | 4131 | NYSE | PDS | Wed, Mar 30, 2022 | 72.85 | 75.33 | 72.12 | 72.33 | 4130 | NYSE | PDS | Tue, Mar 29, 2022 | 67.30 | 72.82 | 65.96 | 71.72 | 4129 | NYSE | PDS | Mon, Mar 28, 2022 | 68.86 | 69.89 | 68.10 | 68.54 | 4128 | NYSE | PDS | Fri, Mar 25, 2022 | 68.42 | 71.39 | 68.39 | 70.57 | 4127 | NYSE | PDS | Thu, Mar 24, 2022 | 69.04 | 70.27 | 68.60 | 68.82 | 4126 | NYSE | PDS | Wed, Mar 23, 2022 | 67.25 | 69.58 | 67.25 | 68.89 | 4125 | NYSE | PDS | Tue, Mar 22, 2022 | 65.44 | 66.68 | 64.53 | 66.65 | 4124 | NYSE | PDS | Mon, Mar 21, 2022 | 63.99 | 65.50 | 63.64 | 65.34 | 4123 | NYSE | PDS | Fri, Mar 18, 2022 | 61.07 | 64.00 | 60.64 | 62.70 | 4122 | NYSE | PDS | Thu, Mar 17, 2022 | 60.20 | 62.38 | 60.20 | 61.20 | 4121 | NYSE | PDS | Wed, Mar 16, 2022 | 61.99 | 63.06 | 58.66 | 59.06 | 4120 | NYSE | PDS | Tue, Mar 15, 2022 | 59.92 | 62.22 | 59.13 | 61.58 | 4119 | NYSE | PDS | Mon, Mar 14, 2022 | 65.77 | 65.96 | 61.31 | 62.12 | 4118 | NYSE | PDS | Fri, Mar 11, 2022 | 66.54 | 68.34 | 66.00 | 67.20 | 4117 | NYSE | PDS | Thu, Mar 10, 2022 | 62.84 | 67.45 | 62.84 | 67.14 | 4116 | NYSE | PDS | Wed, Mar 9, 2022 | 65.00 | 68.07 | 62.27 | 63.13 | 4115 | NYSE | PDS | Tue, Mar 8, 2022 | 62.80 | 66.08 | 60.85 | 65.86 | 4114 | NYSE | PDS | Mon, Mar 7, 2022 | 59.12 | 63.23 | 59.12 | 61.99 | 4113 | NYSE | PDS | Fri, Mar 4, 2022 | 58.12 | 58.96 | 57.00 | 58.51 | 4112 | NYSE | PDS | Thu, Mar 3, 2022 | 59.26 | 60.16 | 58.27 | 58.69 | 4111 | NYSE | PDS | Wed, Mar 2, 2022 | 59.31 | 59.87 | 58.34 | 59.20 | 4110 | NYSE | PDS | Tue, Mar 1, 2022 | 59.13 | 59.84 | 56.85 | 58.50 | 4109 | NYSE | PDS | Mon, Feb 28, 2022 | 52.53 | 58.65 | 52.53 | 58.42 | 4108 | NYSE | PDS | Fri, Feb 25, 2022 | 51.57 | 53.23 | 50.87 | 53.18 | 4107 | NYSE | PDS | Thu, Feb 24, 2022 | 52.48 | 52.48 | 50.28 | 51.21 | 4106 | NYSE | PDS | Wed, Feb 23, 2022 | 53.07 | 53.57 | 51.52 | 51.71 | 4105 | NYSE | PDS | Tue, Feb 22, 2022 | 57.32 | 57.73 | 51.87 | 52.57 | 4104 | NYSE | PDS | Fri, Feb 18, 2022 | 57.18 | 57.64 | 56.09 | 56.16 | 4103 | NYSE | PDS | Thu, Feb 17, 2022 | 57.52 | 58.03 | 56.11 | 57.87 | 4102 | NYSE | PDS | Wed, Feb 16, 2022 | 56.00 | 59.09 | 56.00 | 58.30 | 4101 | NYSE | PDS | Tue, Feb 15, 2022 | 53.54 | 55.22 | 51.89 | 55.00 | 4100 | NYSE | PDS | Mon, Feb 14, 2022 | 52.65 | 53.90 | 51.77 | 53.34 | 4099 | NYSE | PDS | Fri, Feb 11, 2022 | 48.26 | 54.79 | 48.26 | 53.16 | 4098 | NYSE | PDS | Thu, Feb 10, 2022 | 46.63 | 48.44 | 46.34 | 47.61 | 4097 | NYSE | PDS | Wed, Feb 9, 2022 | 44.37 | 46.69 | 44.37 | 46.52 | 4096 | NYSE | PDS | Tue, Feb 8, 2022 | 45.10 | 45.10 | 43.16 | 44.21 | 4095 | NYSE | PDS | Mon, Feb 7, 2022 | 46.02 | 46.40 | 45.38 | 45.55 | 4094 | NYSE | PDS | Fri, Feb 4, 2022 | 45.52 | 46.87 | 45.34 | 46.08 | 4093 | NYSE | PDS | Thu, Feb 3, 2022 | 45.55 | 46.18 | 44.73 | 45.19 | 4092 | NYSE | PDS | Wed, Feb 2, 2022 | 45.80 | 46.04 | 44.63 | 45.81 | 4091 | NYSE | PDS | Tue, Feb 1, 2022 | 43.34 | 45.75 | 43.34 | 45.69 | 4090 | NYSE | PDS | Mon, Jan 31, 2022 | 42.83 | 43.95 | 42.57 | 43.54 | 4089 | NYSE | PDS | Fri, Jan 28, 2022 | 41.63 | 43.77 | 41.63 | 43.00 | 4088 | NYSE | PDS | Thu, Jan 27, 2022 | 41.34 | 42.81 | 40.72 | 41.72 | 4087 | NYSE | PDS | Wed, Jan 26, 2022 | 42.05 | 42.50 | 40.14 | 40.65 | 4086 | NYSE | PDS | Tue, Jan 25, 2022 | 39.41 | 41.40 | 37.79 | 41.17 | 4085 | NYSE | PDS | Mon, Jan 24, 2022 | 39.33 | 39.95 | 37.23 | 39.92 | 4084 | NYSE | PDS | Fri, Jan 21, 2022 | 42.23 | 43.00 | 40.42 | 40.60 | 4083 | NYSE | PDS | Thu, Jan 20, 2022 | 44.36 | 45.03 | 42.87 | 42.96 | 4082 | NYSE | PDS | Wed, Jan 19, 2022 | 46.00 | 46.00 | 44.45 | 44.69 | 4081 | NYSE | PDS | Tue, Jan 18, 2022 | 45.89 | 46.33 | 44.26 | 45.35 | 4080 | NYSE | PDS | Fri, Jan 14, 2022 | 40.32 | 44.89 | 40.28 | 44.86 | 4079 | NYSE | PDS | Thu, Jan 13, 2022 | 40.77 | 41.71 | 40.23 | 40.43 | 4078 | NYSE | PDS | Wed, Jan 12, 2022 | 41.86 | 42.45 | 40.47 | 40.53 | 4077 | NYSE | PDS | Tue, Jan 11, 2022 | 40.55 | 41.84 | 40.55 | 41.45 | 4076 | NYSE | PDS | Mon, Jan 10, 2022 | 41.30 | 41.94 | 39.00 | 40.42 | 4075 | NYSE | PDS | Fri, Jan 7, 2022 | 40.30 | 42.08 | 39.84 | 41.30 | 4074 | NYSE | PDS | Thu, Jan 6, 2022 | 38.34 | 40.18 | 37.47 | 40.10 | 4073 | NYSE | PDS | Wed, Jan 5, 2022 | 37.34 | 39.06 | 36.94 | 37.28 | 4072 | NYSE | PDS | Tue, Jan 4, 2022 | 37.64 | 38.19 | 36.77 | 37.02 | 4071 | NYSE | PDS | Mon, Jan 3, 2022 | 36.68 | 37.48 | 35.88 | 37.20 | 4070 | NYSE | PDS | Fri, Dec 31, 2021 | 34.70 | 35.53 | 34.70 | 35.43 | 4069 | NYSE | PDS | Thu, Dec 30, 2021 | 33.95 | 35.12 | 33.95 | 35.01 | 4068 | NYSE | PDS | Wed, Dec 29, 2021 | 34.59 | 35.08 | 34.05 | 34.06 | 4067 | NYSE | PDS | Tue, Dec 28, 2021 | 35.66 | 35.78 | 34.54 | 34.77 | 4066 | NYSE | PDS | Mon, Dec 27, 2021 | 33.39 | 35.61 | 33.39 | 35.44 | 4065 | NYSE | PDS | Thu, Dec 23, 2021 | 34.78 | 35.34 | 34.57 | 34.74 | 4064 | NYSE | PDS | Wed, Dec 22, 2021 | 34.06 | 34.99 | 33.42 | 34.62 | 4063 | NYSE | PDS | Tue, Dec 21, 2021 | 32.19 | 34.43 | 32.13 | 34.32 | 4062 | NYSE | PDS | Mon, Dec 20, 2021 | 30.51 | 30.86 | 29.26 | 30.75 | 4061 | NYSE | PDS | Fri, Dec 17, 2021 | 32.75 | 32.75 | 30.92 | 31.48 | 4060 | NYSE | PDS | Thu, Dec 16, 2021 | 33.73 | 34.55 | 32.68 | 33.08 | 4059 | NYSE | PDS | Wed, Dec 15, 2021 | 31.51 | 33.64 | 30.76 | 33.37 | 4058 | NYSE | PDS | Tue, Dec 14, 2021 | 32.38 | 32.90 | 31.72 | 31.75 | 4057 | NYSE | PDS | Mon, Dec 13, 2021 | 34.07 | 34.14 | 32.52 | 32.59 | 4056 | NYSE | PDS | Fri, Dec 10, 2021 | 34.44 | 34.83 | 33.85 | 34.27 | 4055 | NYSE | PDS | Thu, Dec 9, 2021 | 34.74 | 34.77 | 33.78 | 34.03 | 4054 | NYSE | PDS | Wed, Dec 8, 2021 | 33.61 | 34.92 | 33.61 | 34.55 | 4053 | NYSE | PDS | Tue, Dec 7, 2021 | 32.52 | 33.76 | 32.52 | 33.52 | 4052 | NYSE | PDS | Mon, Dec 6, 2021 | 31.88 | 32.39 | 31.32 | 31.96 | 4051 | NYSE | PDS | Fri, Dec 3, 2021 | 32.82 | 33.28 | 31.05 | 31.37 | 4050 | NYSE | PDS | Thu, Dec 2, 2021 | 31.42 | 32.69 | 31.00 | 32.33 | 4049 | NYSE | PDS | Wed, Dec 1, 2021 | 32.32 | 32.61 | 31.43 | 31.52 | 4048 | NYSE | PDS | Tue, Nov 30, 2021 | 32.77 | 33.35 | 31.21 | 31.87 | 4047 | NYSE | PDS | Mon, Nov 29, 2021 | 34.43 | 34.54 | 32.99 | 33.50 | 4046 | NYSE | PDS | Fri, Nov 26, 2021 | 34.03 | 34.23 | 32.49 | 33.70 | 4045 | NYSE | PDS | Wed, Nov 24, 2021 | 34.80 | 35.88 | 34.80 | 35.36 | 4044 | NYSE | PDS | Tue, Nov 23, 2021 | 35.01 | 35.84 | 34.82 | 35.05 | 4043 | NYSE | PDS | Mon, Nov 22, 2021 | 35.06 | 35.30 | 34.48 | 34.56 | 4042 | NYSE | PDS | Fri, Nov 19, 2021 | 35.83 | 36.07 | 34.71 | 35.10 | 4041 | NYSE | PDS | Thu, Nov 18, 2021 | 37.70 | 37.82 | 36.53 | 36.69 | 4040 | NYSE | PDS | Wed, Nov 17, 2021 | 38.22 | 39.04 | 37.38 | 37.44 | 4039 | NYSE | PDS | Tue, Nov 16, 2021 | 38.22 | 38.86 | 38.00 | 38.65 | 4038 | NYSE | PDS | Mon, Nov 15, 2021 | 39.48 | 39.48 | 38.18 | 38.86 | 4037 | NYSE | PDS | Fri, Nov 12, 2021 | 39.80 | 39.91 | 38.75 | 39.55 | 4036 | NYSE | PDS | Thu, Nov 11, 2021 | 40.98 | 41.00 | 39.77 | 39.83 | 4035 | NYSE | PDS | Wed, Nov 10, 2021 | 42.38 | 42.83 | 40.75 | 40.82 | 4034 | NYSE | PDS | Tue, Nov 9, 2021 | 41.54 | 42.91 | 41.46 | 42.88 | 4033 | NYSE | PDS | Mon, Nov 8, 2021 | 43.70 | 44.07 | 42.00 | 42.05 | 4032 | NYSE | PDS | Fri, Nov 5, 2021 | 43.60 | 43.82 | 42.99 | 43.24 | 4031 | NYSE | PDS | Thu, Nov 4, 2021 | 44.37 | 45.43 | 42.90 | 42.96 | 4030 | NYSE | PDS | Wed, Nov 3, 2021 | 43.02 | 43.96 | 42.69 | 43.75 | 4029 | NYSE | PDS | Tue, Nov 2, 2021 | 44.31 | 44.50 | 43.37 | 43.62 | 4028 | NYSE | PDS | Mon, Nov 1, 2021 | 44.74 | 45.24 | 44.36 | 44.36 | 4027 | NYSE | PDS | Fri, Oct 29, 2021 | 45.48 | 45.90 | 44.00 | 44.26 | 4026 | NYSE | PDS | Thu, Oct 28, 2021 | 44.41 | 45.60 | 44.41 | 45.24 | 4025 | NYSE | PDS | Wed, Oct 27, 2021 | 46.43 | 46.70 | 44.62 | 44.71 | 4024 | NYSE | PDS | Tue, Oct 26, 2021 | 45.81 | 47.04 | 45.81 | 46.82 | 4023 | NYSE | PDS | Mon, Oct 25, 2021 | 45.13 | 45.98 | 45.10 | 45.91 | 4022 | NYSE | PDS | Fri, Oct 22, 2021 | 45.33 | 45.99 | 44.14 | 44.85 | 4021 | NYSE | PDS | Thu, Oct 21, 2021 | 47.94 | 48.09 | 43.61 | 45.33 | 4020 | NYSE | PDS | Wed, Oct 20, 2021 | 48.45 | 49.35 | 47.78 | 49.11 | 4019 | NYSE | PDS | Tue, Oct 19, 2021 | 48.12 | 49.21 | 47.11 | 48.76 | 4018 | NYSE | PDS | Mon, Oct 18, 2021 | 49.48 | 50.42 | 47.76 | 47.90 | 4017 | NYSE | PDS | Fri, Oct 15, 2021 | 48.54 | 49.95 | 48.43 | 49.36 | 4016 | NYSE | PDS | Thu, Oct 14, 2021 | 46.50 | 48.48 | 46.22 | 48.32 | 4015 | NYSE | PDS | Wed, Oct 13, 2021 | 46.75 | 46.75 | 44.96 | 45.70 | 4014 | NYSE | PDS | Tue, Oct 12, 2021 | 45.29 | 47.33 | 44.74 | 47.08 | 4013 | NYSE | PDS | Mon, Oct 11, 2021 | 45.14 | 46.08 | 45.03 | 45.48 | 4012 | NYSE | PDS | Fri, Oct 8, 2021 | 43.34 | 45.19 | 43.34 | 45.03 | 4011 | NYSE | PDS | Thu, Oct 7, 2021 | 42.06 | 43.28 | 40.94 | 43.18 | 4010 | NYSE | PDS | Wed, Oct 6, 2021 | 41.01 | 42.57 | 41.01 | 41.97 | 4009 | NYSE | PDS | Tue, Oct 5, 2021 | 42.21 | 42.88 | 40.77 | 41.90 | 4008 | NYSE | PDS | Mon, Oct 4, 2021 | 41.40 | 42.51 | 41.40 | 41.84 | 4007 | NYSE | PDS | Fri, Oct 1, 2021 | 40.69 | 41.50 | 40.47 | 40.96 | 4006 | NYSE | PDS | Thu, Sep 30, 2021 | 39.90 | 41.00 | 39.44 | 40.41 | 4005 | NYSE | PDS | Wed, Sep 29, 2021 | 39.34 | 40.52 | 38.78 | 40.19 | 4004 | NYSE | PDS | Tue, Sep 28, 2021 | 39.60 | 40.45 | 38.67 | 39.42 | 4003 | NYSE | PDS | Mon, Sep 27, 2021 | 37.00 | 39.28 | 36.79 | 39.12 | 4002 | NYSE | PDS | Fri, Sep 24, 2021 | 34.59 | 36.55 | 34.59 | 36.51 | 4001 | NYSE | PDS | Thu, Sep 23, 2021 | 34.91 | 35.54 | 34.37 | 35.13 | 4000 | NYSE | PDS | Wed, Sep 22, 2021 | 33.14 | 35.55 | 33.14 | 34.47 | 3999 | NYSE | PDS | Tue, Sep 21, 2021 | 33.38 | 33.38 | 32.05 | 32.61 | 3998 | NYSE | PDS | Mon, Sep 20, 2021 | 33.13 | 33.71 | 32.41 | 33.22 | 3997 | NYSE | PDS | Fri, Sep 17, 2021 | 33.73 | 34.45 | 33.50 | 34.14 | 3996 | NYSE | PDS | Thu, Sep 16, 2021 | 34.49 | 34.58 | 33.59 | 34.21 | 3995 | NYSE | PDS | Wed, Sep 15, 2021 | 34.22 | 34.84 | 33.57 | 34.58 | 3994 | NYSE | PDS | Tue, Sep 14, 2021 | 35.94 | 35.94 | 33.58 | 33.69 | 3993 | NYSE | PDS | Mon, Sep 13, 2021 | 34.02 | 35.58 | 34.02 | 35.51 | 3992 | NYSE | PDS | Fri, Sep 10, 2021 | 33.94 | 34.50 | 33.24 | 33.28 | 3991 | NYSE | PDS | Thu, Sep 9, 2021 | 32.40 | 33.88 | 32.40 | 33.40 | 3990 | NYSE | PDS | Wed, Sep 8, 2021 | 33.06 | 33.15 | 32.30 | 32.64 | 3989 | NYSE | PDS | Tue, Sep 7, 2021 | 33.23 | 33.84 | 32.58 | 32.79 | 3988 | NYSE | PDS | Fri, Sep 3, 2021 | 34.22 | 34.22 | 33.19 | 33.51 | 3987 | NYSE | PDS | Thu, Sep 2, 2021 | 32.50 | 34.37 | 32.33 | 34.08 | 3986 | NYSE | PDS | Wed, Sep 1, 2021 | 32.49 | 32.49 | 31.80 | 31.85 | 3985 | NYSE | PDS | Tue, Aug 31, 2021 | 31.88 | 32.67 | 31.57 | 32.60 | 3984 | NYSE | PDS | Mon, Aug 30, 2021 | 33.03 | 33.19 | 31.90 | 31.93 | 3983 | NYSE | PDS | Fri, Aug 27, 2021 | 31.63 | 32.75 | 31.63 | 32.61 | 3982 | NYSE | PDS | Thu, Aug 26, 2021 | 30.74 | 31.65 | 30.70 | 31.16 | 3981 | NYSE | PDS | Wed, Aug 25, 2021 | 31.54 | 32.03 | 30.38 | 31.13 | 3980 | NYSE | PDS | Tue, Aug 24, 2021 | 31.47 | 31.95 | 31.00 | 31.74 | 3979 | NYSE | PDS | Mon, Aug 23, 2021 | 30.79 | 31.34 | 30.36 | 30.48 | 3978 | NYSE | PDS | Fri, Aug 20, 2021 | 29.13 | 29.67 | 28.86 | 29.64 | 3977 | NYSE | PDS | Thu, Aug 19, 2021 | 29.23 | 29.25 | 28.00 | 28.98 | 3976 | NYSE | PDS | Wed, Aug 18, 2021 | 30.31 | 30.71 | 29.95 | 29.99 | 3975 | NYSE | PDS | Tue, Aug 17, 2021 | 29.97 | 31.29 | 29.97 | 30.39 | 3974 | NYSE | PDS | Mon, Aug 16, 2021 | 31.17 | 31.31 | 30.25 | 30.34 | 3973 | NYSE | PDS | Fri, Aug 13, 2021 | 32.66 | 32.66 | 31.54 | 31.59 | 3972 | NYSE | PDS | Thu, Aug 12, 2021 | 32.83 | 32.91 | 32.26 | 32.50 | 3971 | NYSE | PDS | Wed, Aug 11, 2021 | 32.60 | 33.25 | 31.96 | 33.00 | 3970 | NYSE | PDS | Tue, Aug 10, 2021 | 31.50 | 33.06 | 31.50 | 32.92 | 3969 | NYSE | PDS | Mon, Aug 9, 2021 | 32.25 | 32.25 | 30.71 | 31.36 | 3968 | NYSE | PDS | Fri, Aug 6, 2021 | 32.86 | 33.14 | 32.22 | 33.06 | 3967 | NYSE | PDS | Thu, Aug 5, 2021 | 32.06 | 33.61 | 32.03 | 32.49 | 3966 | NYSE | PDS | Wed, Aug 4, 2021 | 32.82 | 33.06 | 31.67 | 31.75 | 3965 | NYSE | PDS | Tue, Aug 3, 2021 | 32.43 | 34.16 | 31.95 | 33.52 | 3964 | NYSE | PDS | Mon, Aug 2, 2021 | 33.07 | 34.03 | 32.43 | 32.55 | 3963 | NYSE | PDS | Fri, Jul 30, 2021 | 33.28 | 33.36 | 32.53 | 33.28 | 3962 | NYSE | PDS | Thu, Jul 29, 2021 | 34.00 | 34.00 | 33.19 | 33.52 | 3961 | NYSE | PDS | Wed, Jul 28, 2021 | 33.96 | 33.97 | 32.90 | 33.53 | 3960 | NYSE | PDS | Tue, Jul 27, 2021 | 34.95 | 35.13 | 33.41 | 33.67 | 3959 | NYSE | PDS | Mon, Jul 26, 2021 | 33.82 | 35.61 | 33.76 | 35.13 | 3958 | NYSE | PDS | Fri, Jul 23, 2021 | 34.91 | 34.91 | 32.65 | 33.10 | 3957 | NYSE | PDS | Thu, Jul 22, 2021 | 32.82 | 35.25 | 31.45 | 34.08 | 3956 | NYSE | PDS | Wed, Jul 21, 2021 | 33.18 | 35.12 | 33.18 | 34.29 | 3955 | NYSE | PDS | Tue, Jul 20, 2021 | 31.63 | 32.70 | 31.27 | 32.54 | 3954 | NYSE | PDS | Mon, Jul 19, 2021 | 33.40 | 33.52 | 31.29 | 31.62 | 3953 | NYSE | PDS | Fri, Jul 16, 2021 | 35.72 | 36.39 | 34.52 | 34.69 | 3952 | NYSE | PDS | Thu, Jul 15, 2021 | 36.84 | 37.72 | 35.35 | 35.86 | 3951 | NYSE | PDS | Wed, Jul 14, 2021 | 40.57 | 40.85 | 36.75 | 37.32 | 3950 | NYSE | PDS | Tue, Jul 13, 2021 | 41.44 | 41.67 | 40.40 | 40.98 | 3949 | NYSE | PDS | Mon, Jul 12, 2021 | 41.00 | 41.93 | 40.26 | 41.82 | 3948 | NYSE | PDS | Fri, Jul 9, 2021 | 41.20 | 42.23 | 40.41 | 41.61 | 3947 | NYSE | PDS | Thu, Jul 8, 2021 | 38.67 | 40.65 | 38.13 | 40.27 | 3946 | NYSE | PDS | Wed, Jul 7, 2021 | 41.86 | 41.86 | 39.28 | 39.53 | 3945 | NYSE | PDS | Tue, Jul 6, 2021 | 42.08 | 42.10 | 40.63 | 41.70 | 3944 | NYSE | PDS | Fri, Jul 2, 2021 | 44.26 | 44.26 | 40.90 | 41.74 | 3943 | NYSE | PDS | Thu, Jul 1, 2021 | 42.64 | 44.52 | 42.49 | 43.79 | 3942 | NYSE | PDS | Wed, Jun 30, 2021 | 42.08 | 43.63 | 41.52 | 41.70 | 3941 | NYSE | PDS | Tue, Jun 29, 2021 | 39.97 | 43.48 | 39.97 | 42.17 | 3940 | NYSE | PDS | Mon, Jun 28, 2021 | 39.85 | 40.00 | 38.18 | 39.87 | 3939 | NYSE | PDS | Fri, Jun 25, 2021 | 40.46 | 41.08 | 38.83 | 39.86 | 3938 | NYSE | PDS | Thu, Jun 24, 2021 | 41.26 | 41.41 | 39.64 | 40.24 | 3937 | NYSE | PDS | Wed, Jun 23, 2021 | 39.33 | 42.00 | 39.13 | 40.89 | 3936 | NYSE | PDS | Tue, Jun 22, 2021 | 38.09 | 38.65 | 37.91 | 38.31 | 3935 | NYSE | PDS | Mon, Jun 21, 2021 | 37.66 | 39.10 | 37.12 | 38.54 | 3934 | NYSE | PDS | Fri, Jun 18, 2021 | 36.51 | 38.30 | 36.11 | 37.04 | 3933 | NYSE | PDS | Thu, Jun 17, 2021 | 39.81 | 39.81 | 36.94 | 37.29 | 3932 | NYSE | PDS | Wed, Jun 16, 2021 | 40.05 | 40.16 | 39.08 | 39.82 | 3931 | NYSE | PDS | Tue, Jun 15, 2021 | 39.08 | 40.40 | 38.49 | 40.16 | 3930 | NYSE | PDS | Mon, Jun 14, 2021 | 38.29 | 40.50 | 38.15 | 39.31 | 3929 | NYSE | PDS | Fri, Jun 11, 2021 | 37.13 | 38.03 | 36.79 | 37.90 | 3928 | NYSE | PDS | Thu, Jun 10, 2021 | 37.90 | 38.10 | 36.46 | 37.31 | 3927 | NYSE | PDS | Wed, Jun 9, 2021 | 38.66 | 38.73 | 37.03 | 37.29 | 3926 | NYSE | PDS | Tue, Jun 8, 2021 | 36.10 | 39.63 | 35.46 | 38.68 | 3925 | NYSE | PDS | Mon, Jun 7, 2021 | 38.85 | 39.04 | 36.42 | 36.67 | 3924 | NYSE | PDS | Fri, Jun 4, 2021 | 37.54 | 39.88 | 37.50 | 39.24 | 3923 | NYSE | PDS | Thu, Jun 3, 2021 | 35.86 | 38.29 | 34.84 | 37.04 | 3922 | NYSE | PDS | Wed, Jun 2, 2021 | 33.06 | 35.58 | 32.97 | 35.45 | 3921 | NYSE | PDS | Tue, Jun 1, 2021 | 32.00 | 33.87 | 31.99 | 32.98 | 3920 | NYSE | PDS | Fri, May 28, 2021 | 31.42 | 31.93 | 31.16 | 31.66 | 3919 | NYSE | PDS | Thu, May 27, 2021 | 31.61 | 31.77 | 30.85 | 31.51 | 3918 | NYSE | PDS | Wed, May 26, 2021 | 30.64 | 31.71 | 30.51 | 31.43 | 3917 | NYSE | PDS | Tue, May 25, 2021 | 31.16 | 31.66 | 30.13 | 30.81 | 3916 | NYSE | PDS | Mon, May 24, 2021 | 31.02 | 31.29 | 30.65 | 31.25 | 3915 | NYSE | PDS | Fri, May 21, 2021 | 30.97 | 31.38 | 30.50 | 30.66 | 3914 | NYSE | PDS | Thu, May 20, 2021 | 29.74 | 30.51 | 29.10 | 30.39 | 3913 | NYSE | PDS | Wed, May 19, 2021 | 29.17 | 30.16 | 28.76 | 29.65 | 3912 | NYSE | PDS | Tue, May 18, 2021 | 29.44 | 30.36 | 29.17 | 30.09 | 3911 | NYSE | PDS | Mon, May 17, 2021 | 27.79 | 29.34 | 27.79 | 29.32 | 3910 | NYSE | PDS | Fri, May 14, 2021 | 27.48 | 28.88 | 27.34 | 28.10 | 3909 | NYSE | PDS | Thu, May 13, 2021 | 26.17 | 27.53 | 26.12 | 26.97 | 3908 | NYSE | PDS | Wed, May 12, 2021 | 25.73 | 26.77 | 25.57 | 26.65 | 3907 | NYSE | PDS | Tue, May 11, 2021 | 26.00 | 26.09 | 25.35 | 25.53 | 3906 | NYSE | PDS | Mon, May 10, 2021 | 28.52 | 29.00 | 26.40 | 26.75 | 3905 | NYSE | PDS | Fri, May 7, 2021 | 27.06 | 28.50 | 27.06 | 28.00 | 3904 | NYSE | PDS | Thu, May 6, 2021 | 27.54 | 27.71 | 26.60 | 27.45 | 3903 | NYSE | PDS | Wed, May 5, 2021 | 26.19 | 28.15 | 25.93 | 27.26 | 3902 | NYSE | PDS | Tue, May 4, 2021 | 25.73 | 26.28 | 24.68 | 25.99 | 3901 | NYSE | PDS | Mon, May 3, 2021 | 25.83 | 26.37 | 25.34 | 25.68 | 3900 | NYSE | PDS | Fri, Apr 30, 2021 | 26.19 | 26.70 | 25.41 | 25.70 | 3899 | NYSE | PDS | Thu, Apr 29, 2021 | 27.15 | 27.55 | 26.46 | 26.81 | 3898 | NYSE | PDS | Wed, Apr 28, 2021 | 25.23 | 26.80 | 25.10 | 26.80 | 3897 | NYSE | PDS | Tue, Apr 27, 2021 | 25.00 | 25.26 | 24.54 | 24.89 | 3896 | NYSE | PDS | Mon, Apr 26, 2021 | 24.85 | 25.39 | 24.50 | 24.90 | 3895 | NYSE | PDS | Fri, Apr 23, 2021 | 25.66 | 25.66 | 24.90 | 24.92 | 3894 | NYSE | PDS | Thu, Apr 22, 2021 | 26.76 | 26.76 | 24.81 | 25.44 | 3893 | NYSE | PDS | Wed, Apr 21, 2021 | 26.02 | 27.67 | 25.90 | 26.48 | 3892 | NYSE | PDS | Tue, Apr 20, 2021 | 27.45 | 28.45 | 26.37 | 26.50 | 3891 | NYSE | PDS | Mon, Apr 19, 2021 | 27.51 | 28.66 | 27.21 | 27.66 | 3890 | NYSE | PDS | Fri, Apr 16, 2021 | 27.61 | 27.88 | 26.50 | 27.76 | 3889 | NYSE | PDS | Thu, Apr 15, 2021 | 27.07 | 28.44 | 27.07 | 27.61 | 3888 | NYSE | PDS | Wed, Apr 14, 2021 | 25.19 | 26.75 | 25.19 | 26.68 | 3887 | NYSE | PDS | Tue, Apr 13, 2021 | 24.77 | 25.25 | 24.62 | 25.24 | 3886 | NYSE | PDS | Mon, Apr 12, 2021 | 24.79 | 25.02 | 24.28 | 24.88 | 3885 | NYSE | PDS | Fri, Apr 9, 2021 | 24.57 | 25.22 | 24.24 | 24.28 | 3884 | NYSE | PDS | Thu, Apr 8, 2021 | 24.40 | 24.73 | 23.97 | 24.47 | 3883 | NYSE | PDS | Wed, Apr 7, 2021 | 22.99 | 24.84 | 22.95 | 24.41 | 3882 | NYSE | PDS | Tue, Apr 6, 2021 | 23.10 | 24.36 | 22.90 | 23.03 | 3881 | NYSE | PDS | Mon, Apr 5, 2021 | 23.31 | 23.31 | 22.71 | 22.95 | 3880 | NYSE | PDS | Thu, Apr 1, 2021 | 21.74 | 23.33 | 21.74 | 23.20 | 3879 | NYSE | PDS | Wed, Mar 31, 2021 | 21.06 | 21.70 | 20.95 | 21.61 | 3878 | NYSE | PDS | Tue, Mar 30, 2021 | 20.62 | 21.11 | 20.51 | 20.94 | 3877 | NYSE | PDS | Mon, Mar 29, 2021 | 21.39 | 21.39 | 20.44 | 20.92 | 3876 | NYSE | PDS | Fri, Mar 26, 2021 | 21.06 | 21.63 | 20.80 | 21.39 | 3875 | NYSE | PDS | Thu, Mar 25, 2021 | 19.71 | 20.69 | 19.65 | 20.68 | 3874 | NYSE | PDS | Wed, Mar 24, 2021 | 20.68 | 21.66 | 20.21 | 20.23 | 3873 | NYSE | PDS | Tue, Mar 23, 2021 | 20.94 | 20.94 | 20.00 | 20.10 | 3872 | NYSE | PDS | Mon, Mar 22, 2021 | 21.91 | 21.91 | 20.89 | 21.18 | 3871 | NYSE | PDS | Fri, Mar 19, 2021 | 21.27 | 22.55 | 21.14 | 21.95 | 3870 | NYSE | PDS | Thu, Mar 18, 2021 | 23.73 | 24.01 | 21.32 | 21.36 | 3869 | NYSE | PDS | Wed, Mar 17, 2021 | 23.64 | 24.08 | 22.70 | 23.76 | 3868 | NYSE | PDS | Tue, Mar 16, 2021 | 25.77 | 25.91 | 23.54 | 23.74 | 3867 | NYSE | PDS | Mon, Mar 15, 2021 | 27.58 | 27.88 | 25.70 | 26.17 | 3866 | NYSE | PDS | Fri, Mar 12, 2021 | 28.04 | 28.82 | 27.18 | 27.33 | 3865 | NYSE | PDS | Thu, Mar 11, 2021 | 26.59 | 28.31 | 26.19 | 27.86 | 3864 | NYSE | PDS | Wed, Mar 10, 2021 | 25.43 | 27.00 | 25.43 | 26.52 | 3863 | NYSE | PDS | Tue, Mar 9, 2021 | 25.89 | 26.18 | 25.22 | 25.36 | 3862 | NYSE | PDS | Mon, Mar 8, 2021 | 26.00 | 26.75 | 24.79 | 25.69 | 3861 | NYSE | PDS | Fri, Mar 5, 2021 | 23.78 | 25.69 | 23.10 | 25.62 | 3860 | NYSE | PDS | Thu, Mar 4, 2021 | 22.53 | 23.46 | 21.54 | 23.20 | 3859 | NYSE | PDS | Wed, Mar 3, 2021 | 22.56 | 23.38 | 22.20 | 22.24 | 3858 | NYSE | PDS | Tue, Mar 2, 2021 | 23.30 | 23.50 | 22.33 | 22.60 | 3857 | NYSE | PDS | Mon, Mar 1, 2021 | 23.97 | 24.14 | 22.40 | 23.28 | 3856 | NYSE | PDS | Fri, Feb 26, 2021 | 23.45 | 23.92 | 22.07 | 23.13 | 3855 | NYSE | PDS | Thu, Feb 25, 2021 | 24.99 | 25.90 | 23.81 | 23.94 | 3854 | NYSE | PDS | Wed, Feb 24, 2021 | 23.47 | 25.51 | 23.47 | 24.82 | 3853 | NYSE | PDS | Tue, Feb 23, 2021 | 24.39 | 24.78 | 22.50 | 23.31 | 3852 | NYSE | PDS | Mon, Feb 22, 2021 | 22.91 | 25.48 | 22.91 | 24.40 | 3851 | NYSE | PDS | Fri, Feb 19, 2021 | 22.84 | 23.27 | 22.65 | 23.05 | 3850 | NYSE | PDS | Thu, Feb 18, 2021 | 24.00 | 24.35 | 22.98 | 22.98 | 3849 | NYSE | PDS | Wed, Feb 17, 2021 | 24.08 | 24.50 | 23.21 | 24.38 | 3848 | NYSE | PDS | Tue, Feb 16, 2021 | 24.85 | 25.90 | 23.84 | 24.08 | 3847 | NYSE | PDS | Fri, Feb 12, 2021 | 22.72 | 24.46 | 22.40 | 24.16 | 3846 | NYSE | PDS | Thu, Feb 11, 2021 | 22.65 | 23.11 | 22.45 | 22.66 | 3845 | NYSE | PDS | Wed, Feb 10, 2021 | 24.83 | 25.31 | 22.31 | 22.66 | 3844 | NYSE | PDS | Tue, Feb 9, 2021 | 24.03 | 25.69 | 23.61 | 25.16 | 3843 | NYSE | PDS | Mon, Feb 8, 2021 | 24.36 | 25.09 | 23.94 | 24.30 | 3842 | NYSE | PDS | Fri, Feb 5, 2021 | 23.83 | 24.29 | 23.29 | 24.11 | 3841 | NYSE | PDS | Thu, Feb 4, 2021 | 23.08 | 23.36 | 22.16 | 23.23 | 3840 | NYSE | PDS | Wed, Feb 3, 2021 | 20.75 | 22.79 | 20.73 | 22.69 | 3839 | NYSE | PDS | Tue, Feb 2, 2021 | 20.54 | 20.81 | 20.02 | 20.54 | 3838 | NYSE | PDS | Mon, Feb 1, 2021 | 20.06 | 20.24 | 19.54 | 19.85 | 3837 | NYSE | PDS | Fri, Jan 29, 2021 | 20.25 | 20.73 | 19.22 | 19.50 | 3836 | NYSE | PDS | Thu, Jan 28, 2021 | 20.50 | 20.92 | 19.73 | 20.26 | 3835 | NYSE | PDS | Wed, Jan 27, 2021 | 19.89 | 21.24 | 19.40 | 20.50 | 3834 | NYSE | PDS | Tue, Jan 26, 2021 | 21.15 | 21.70 | 19.98 | 20.29 | 3833 | NYSE | PDS | Mon, Jan 25, 2021 | 20.67 | 21.02 | 19.84 | 20.79 | 3832 | NYSE | PDS | Fri, Jan 22, 2021 | 20.50 | 21.22 | 20.50 | 20.89 | 3831 | NYSE | PDS | Thu, Jan 21, 2021 | 22.14 | 22.25 | 21.12 | 21.29 | 3830 | NYSE | PDS | Wed, Jan 20, 2021 | 22.23 | 22.99 | 21.96 | 22.13 | 3829 | NYSE | PDS | Tue, Jan 19, 2021 | 23.07 | 23.09 | 22.16 | 22.20 | 3828 | NYSE | PDS | Fri, Jan 15, 2021 | 24.45 | 24.68 | 22.98 | 23.10 | 3827 | NYSE | PDS | Thu, Jan 14, 2021 | 24.61 | 26.26 | 24.13 | 24.93 | 3826 | NYSE | PDS | Wed, Jan 13, 2021 | 24.44 | 24.75 | 23.56 | 24.20 | 3825 | NYSE | PDS | Tue, Jan 12, 2021 | 23.43 | 24.40 | 23.32 | 23.68 | 3824 | NYSE | PDS | Mon, Jan 11, 2021 | 22.27 | 23.75 | 22.07 | 22.59 | 3823 | NYSE | PDS | Fri, Jan 8, 2021 | 20.83 | 23.27 | 20.44 | 22.81 | 3822 | NYSE | PDS | Thu, Jan 7, 2021 | 19.46 | 20.78 | 19.33 | 20.62 | 3821 | NYSE | PDS | Wed, Jan 6, 2021 | 19.83 | 19.92 | 18.75 | 19.28 | 3820 | NYSE | PDS | Tue, Jan 5, 2021 | 16.99 | 19.67 | 16.99 | 19.21 | 3819 | NYSE | PDS | Mon, Jan 4, 2021 | 16.66 | 17.16 | 16.25 | 16.58 | 3818 | NYSE | PDS | Thu, Dec 31, 2020 | 16.54 | 17.09 | 16.42 | 16.49 | 3817 | NYSE | PDS | Wed, Dec 30, 2020 | 15.88 | 16.68 | 15.88 | 16.51 | 3816 | NYSE | PDS | Tue, Dec 29, 2020 | 16.05 | 16.20 | 15.60 | 15.89 | 3815 | NYSE | PDS | Mon, Dec 28, 2020 | 15.67 | 16.49 | 15.67 | 15.92 | 3814 | NYSE | PDS | Thu, Dec 24, 2020 | 16.28 | 16.28 | 15.60 | 15.76 | 3813 | NYSE | PDS | Wed, Dec 23, 2020 | 15.97 | 16.37 | 15.84 | 16.19 | 3812 | NYSE | PDS | Tue, Dec 22, 2020 | 16.44 | 16.80 | 15.77 | 15.79 | 3811 | NYSE | PDS | Mon, Dec 21, 2020 | 17.90 | 17.90 | 16.38 | 16.53 | 3810 | NYSE | PDS | Fri, Dec 18, 2020 | 19.08 | 19.11 | 18.40 | 18.45 | 3809 | NYSE | PDS | Thu, Dec 17, 2020 | 19.38 | 19.82 | 18.71 | 19.02 | 3808 | NYSE | PDS | Wed, Dec 16, 2020 | 20.46 | 20.46 | 19.26 | 19.26 | 3807 | NYSE | PDS | Tue, Dec 15, 2020 | 20.26 | 20.72 | 19.81 | 20.31 | 3806 | NYSE | PDS | Mon, Dec 14, 2020 | 21.37 | 21.77 | 19.99 | 20.04 | 3805 | NYSE | PDS | Fri, Dec 11, 2020 | 21.56 | 22.27 | 21.24 | 21.31 | 3804 | NYSE | PDS | Thu, Dec 10, 2020 | 20.12 | 21.82 | 20.12 | 21.66 | 3803 | NYSE | PDS | Wed, Dec 9, 2020 | 21.85 | 21.93 | 19.90 | 20.35 | 3802 | NYSE | PDS | Tue, Dec 8, 2020 | 21.44 | 22.03 | 21.39 | 21.60 | 3801 | NYSE | PDS | Mon, Dec 7, 2020 | 22.00 | 22.00 | 21.42 | 21.68 | 3800 | NYSE | PDS | Fri, Dec 4, 2020 | 21.12 | 22.68 | 21.10 | 22.17 | 3799 | NYSE | PDS | Thu, Dec 3, 2020 | 20.76 | 21.35 | 20.61 | 20.77 | 3798 | NYSE | PDS | Wed, Dec 2, 2020 | 20.07 | 21.36 | 20.05 | 20.83 | 3797 | NYSE | PDS | Tue, Dec 1, 2020 | 19.50 | 20.47 | 19.50 | 19.94 | 3796 | NYSE | PDS | Mon, Nov 30, 2020 | 19.82 | 20.00 | 18.79 | 19.13 | 3795 | NYSE | PDS | Fri, Nov 27, 2020 | 19.76 | 20.53 | 19.76 | 19.82 | 3794 | NYSE | PDS | Wed, Nov 25, 2020 | 19.14 | 20.27 | 18.80 | 19.93 | 3793 | NYSE | PDS | Tue, Nov 24, 2020 | 20.05 | 21.03 | 19.13 | 19.38 | 3792 | NYSE | PDS | Mon, Nov 23, 2020 | 18.19 | 20.56 | 18.19 | 19.67 | 3791 | NYSE | PDS | Fri, Nov 20, 2020 | 18.25 | 18.36 | 17.50 | 17.85 | 3790 | NYSE | PDS | Thu, Nov 19, 2020 | 16.73 | 18.36 | 16.58 | 18.25 | 3789 | NYSE | PDS | Wed, Nov 18, 2020 | 16.78 | 17.33 | 16.49 | 16.87 | 3788 | NYSE | PDS | Tue, Nov 17, 2020 | 16.70 | 17.27 | 16.25 | 16.76 | 3787 | NYSE | PDS | Mon, Nov 16, 2020 | 15.00 | 17.21 | 15.00 | 17.02 | 3786 | NYSE | PDS | Fri, Nov 13, 2020 | 14.27 | 15.50 | 14.17 | 14.97 | 3785 | NYSE | PDS | Thu, Nov 12, 2020 | 14.33 | 15.09 | 14.15 | 14.54 | 3784 | NYSE | PDS | Wed, Nov 11, 2020 | 15.00 | 15.98 | 14.60 | 14.60 | 3783 | NYSE | PDS | Tue, Nov 10, 2020 | 14.91 | 15.44 | 14.73 | 14.80 | 3782 | NYSE | PDS | Mon, Nov 9, 2020 | 13.80 | 15.36 | 13.60 | 14.91 | 3781 | NYSE | PDS | Fri, Nov 6, 2020 | 14.00 | 14.00 | 13.28 | 13.40 | 3780 | NYSE | PDS | Thu, Nov 5, 2020 | 12.80 | 14.22 | 12.80 | 13.84 | 3779 | NYSE | PDS | Wed, Nov 4, 2020 | 12.80 | 13.73 | 12.80 | 13.13 | 3778 | NYSE | PDS | Tue, Nov 3, 2020 | 13.40 | 14.60 | 13.40 | 13.63 | 3777 | NYSE | PDS | Mon, Nov 2, 2020 | 13.75 | 14.00 | 13.41 | 13.64 | 3776 | NYSE | PDS | Fri, Oct 30, 2020 | 13.55 | 14.18 | 13.40 | 14.15 | 3775 | NYSE | PDS | Thu, Oct 29, 2020 | 14.29 | 14.38 | 13.44 | 13.97 | 3774 | NYSE | PDS | Wed, Oct 28, 2020 | 14.80 | 15.00 | 13.98 | 14.61 | 3773 | NYSE | PDS | Tue, Oct 27, 2020 | 15.59 | 15.70 | 15.10 | 15.40 | 3772 | NYSE | PDS | Mon, Oct 26, 2020 | 15.80 | 15.89 | 14.49 | 15.40 | 3771 | NYSE | PDS | Fri, Oct 23, 2020 | 15.96 | 16.00 | 15.40 | 16.00 | 3770 | NYSE | PDS | Thu, Oct 22, 2020 | 13.60 | 15.60 | 13.60 | 15.60 | 3769 | NYSE | PDS | Wed, Oct 21, 2020 | 14.80 | 14.96 | 13.80 | 14.00 | 3768 | NYSE | PDS | Tue, Oct 20, 2020 | 14.23 | 14.87 | 14.17 | 14.77 | 3767 | NYSE | PDS | Mon, Oct 19, 2020 | 14.90 | 15.06 | 14.16 | 14.37 | 3766 | NYSE | PDS | Fri, Oct 16, 2020 | 14.39 | 14.80 | 14.00 | 14.67 | 3765 | NYSE | PDS | Thu, Oct 15, 2020 | 14.00 | 14.42 | 13.25 | 14.39 | 3764 | NYSE | PDS | Wed, Oct 14, 2020 | 15.00 | 15.00 | 14.10 | 14.10 | 3763 | NYSE | PDS | Tue, Oct 13, 2020 | 14.20 | 15.00 | 14.20 | 14.86 | 3762 | NYSE | PDS | Mon, Oct 12, 2020 | 14.98 | 15.00 | 14.27 | 14.71 | 3761 | NYSE | PDS | Fri, Oct 9, 2020 | 14.80 | 15.08 | 14.29 | 14.91 | 3760 | NYSE | PDS | Thu, Oct 8, 2020 | 13.80 | 15.00 | 13.72 | 14.54 | 3759 | NYSE | PDS | Wed, Oct 7, 2020 | 14.00 | 14.08 | 13.25 | 13.90 | 3758 | NYSE | PDS | Tue, Oct 6, 2020 | 13.60 | 13.85 | 13.20 | 13.80 | 3757 | NYSE | PDS | Mon, Oct 5, 2020 | 12.71 | 13.72 | 12.71 | 13.38 | 3756 | NYSE | PDS | Fri, Oct 2, 2020 | 12.40 | 12.88 | 11.62 | 12.62 | 3755 | NYSE | PDS | Thu, Oct 1, 2020 | 12.60 | 12.94 | 12.40 | 12.54 | 3754 | NYSE | PDS | Wed, Sep 30, 2020 | 12.65 | 13.22 | 12.57 | 12.80 | 3753 | NYSE | PDS | Tue, Sep 29, 2020 | 12.60 | 12.80 | 12.46 | 12.65 | 3752 | NYSE | PDS | Mon, Sep 28, 2020 | 12.80 | 13.15 | 12.60 | 12.80 | 3751 | NYSE | PDS | Fri, Sep 25, 2020 | 12.60 | 12.80 | 12.32 | 12.54 | 3750 | NYSE | PDS | Thu, Sep 24, 2020 | 12.30 | 12.84 | 12.20 | 12.70 | 3749 | NYSE | PDS | Wed, Sep 23, 2020 | 13.20 | 13.20 | 12.47 | 12.65 | 3748 | NYSE | PDS | Tue, Sep 22, 2020 | 12.32 | 13.20 | 12.32 | 12.89 | 3747 | NYSE | PDS | Mon, Sep 21, 2020 | 12.70 | 13.10 | 12.30 | 12.81 | 3746 | NYSE | PDS | Fri, Sep 18, 2020 | 13.00 | 13.20 | 12.80 | 12.89 | 3745 | NYSE | PDS | Thu, Sep 17, 2020 | 13.54 | 13.54 | 12.80 | 12.93 | 3744 | NYSE | PDS | Wed, Sep 16, 2020 | 12.25 | 13.40 | 12.25 | 12.96 | 3743 | NYSE | PDS | Tue, Sep 15, 2020 | 12.00 | 12.75 | 12.00 | 12.60 | 3742 | NYSE | PDS | Mon, Sep 14, 2020 | 12.40 | 12.93 | 12.00 | 12.01 | 3741 | NYSE | PDS | Fri, Sep 11, 2020 | 12.43 | 12.98 | 12.42 | 12.48 | 3740 | NYSE | PDS | Thu, Sep 10, 2020 | 12.88 | 13.08 | 12.43 | 12.60 | 3739 | NYSE | PDS | Wed, Sep 9, 2020 | 12.40 | 13.15 | 12.40 | 12.88 | 3738 | NYSE | PDS | Tue, Sep 8, 2020 | 13.00 | 13.50 | 12.29 | 12.56 | 3737 | NYSE | PDS | Fri, Sep 4, 2020 | 13.21 | 14.00 | 13.17 | 13.50 | 3736 | NYSE | PDS | Thu, Sep 3, 2020 | 14.00 | 14.59 | 13.40 | 13.72 | 3735 | NYSE | PDS | Wed, Sep 2, 2020 | 14.00 | 14.80 | 13.70 | 14.04 | 3734 | NYSE | PDS | Tue, Sep 1, 2020 | 13.75 | 14.45 | 13.75 | 14.37 | 3733 | NYSE | PDS | Mon, Aug 31, 2020 | 13.80 | 14.00 | 13.60 | 13.92 | 3732 | NYSE | PDS | Fri, Aug 28, 2020 | 13.60 | 14.40 | 13.60 | 14.09 | 3731 | NYSE | PDS | Thu, Aug 27, 2020 | 14.44 | 14.44 | 13.60 | 13.99 | 3730 | NYSE | PDS | Wed, Aug 26, 2020 | 15.00 | 15.00 | 13.80 | 13.90 | 3729 | NYSE | PDS | Tue, Aug 25, 2020 | 16.00 | 16.00 | 14.62 | 14.80 | 3728 | NYSE | PDS | Mon, Aug 24, 2020 | 14.98 | 16.29 | 14.70 | 15.62 | 3727 | NYSE | PDS | Fri, Aug 21, 2020 | 15.29 | 15.29 | 14.25 | 14.91 | 3726 | NYSE | PDS | Thu, Aug 20, 2020 | 15.00 | 15.41 | 14.80 | 14.97 | 3725 | NYSE | PDS | Wed, Aug 19, 2020 | 15.40 | 15.80 | 14.80 | 15.03 | 3724 | NYSE | PDS | Tue, Aug 18, 2020 | 16.50 | 16.55 | 15.60 | 15.80 | 3723 | NYSE | PDS | Mon, Aug 17, 2020 | 15.83 | 16.28 | 15.60 | 16.22 | 3722 | NYSE | PDS | Fri, Aug 14, 2020 | 14.80 | 16.00 | 14.80 | 15.83 | 3721 | NYSE | PDS | Thu, Aug 13, 2020 | 15.44 | 15.83 | 15.22 | 15.64 | 3720 | NYSE | PDS | Wed, Aug 12, 2020 | 16.00 | 16.00 | 15.34 | 15.80 | 3719 | NYSE | PDS | Tue, Aug 11, 2020 | 14.08 | 15.22 | 13.80 | 15.20 | 3718 | NYSE | PDS | Mon, Aug 10, 2020 | 13.50 | 14.40 | 13.50 | 14.00 | 3717 | NYSE | PDS | Fri, Aug 7, 2020 | 13.00 | 13.60 | 12.81 | 13.37 | 3716 | NYSE | PDS | Thu, Aug 6, 2020 | 12.86 | 13.30 | 12.80 | 13.00 | 3715 | NYSE | PDS | Wed, Aug 5, 2020 | 12.70 | 13.40 | 12.66 | 12.96 | 3714 | NYSE | PDS | Tue, Aug 4, 2020 | 12.80 | 12.85 | 12.06 | 12.21 | 3713 | NYSE | PDS | Mon, Aug 3, 2020 | 12.40 | 12.89 | 12.40 | 12.73 | 3712 | NYSE | PDS | Fri, Jul 31, 2020 | 12.80 | 13.05 | 12.40 | 12.60 | 3711 | NYSE | PDS | Thu, Jul 30, 2020 | 12.65 | 13.32 | 12.60 | 12.80 | 3710 | NYSE | PDS | Wed, Jul 29, 2020 | 13.30 | 13.40 | 12.81 | 13.37 | 3709 | NYSE | PDS | Tue, Jul 28, 2020 | 13.26 | 13.47 | 13.00 | 13.20 | 3708 | NYSE | PDS | Mon, Jul 27, 2020 | 13.24 | 13.48 | 12.92 | 13.40 | 3707 | NYSE | PDS | Fri, Jul 24, 2020 | 12.82 | 13.35 | 12.81 | 13.20 | 3706 | NYSE | PDS | Thu, Jul 23, 2020 | 13.20 | 13.30 | 12.40 | 12.90 | 3705 | NYSE | PDS | Wed, Jul 22, 2020 | 13.20 | 13.30 | 12.60 | 12.97 | 3704 | NYSE | PDS | Tue, Jul 21, 2020 | 12.70 | 13.57 | 12.69 | 12.88 | 3703 | NYSE | PDS | Mon, Jul 20, 2020 | 13.40 | 13.40 | 11.93 | 12.45 | 3702 | NYSE | PDS | Fri, Jul 17, 2020 | 13.26 | 13.26 | 12.80 | 12.82 | 3701 | NYSE | PDS | Thu, Jul 16, 2020 | 13.24 | 13.40 | 12.96 | 13.17 | 3700 | NYSE | PDS | Wed, Jul 15, 2020 | 12.52 | 13.64 | 12.40 | 13.64 | 3699 | NYSE | PDS | Tue, Jul 14, 2020 | 11.40 | 12.27 | 11.00 | 12.20 | 3698 | NYSE | PDS | Mon, Jul 13, 2020 | 12.18 | 12.40 | 11.40 | 11.43 | 3697 | NYSE | PDS | Fri, Jul 10, 2020 | 12.15 | 12.88 | 11.60 | 12.13 | 3696 | NYSE | PDS | Thu, Jul 9, 2020 | 13.00 | 13.40 | 12.26 | 12.50 | 3695 | NYSE | PDS | Wed, Jul 8, 2020 | 13.60 | 13.89 | 12.80 | 13.40 | 3694 | NYSE | PDS | Tue, Jul 7, 2020 | 14.02 | 14.29 | 13.62 | 13.77 | 3693 | NYSE | PDS | Mon, Jul 6, 2020 | 14.42 | 14.80 | 13.80 | 14.23 | 3692 | NYSE | PDS | Thu, Jul 2, 2020 | 16.00 | 16.00 | 14.40 | 14.57 | 3691 | NYSE | PDS | Wed, Jul 1, 2020 | 15.18 | 15.90 | 14.20 | 15.21 | 3690 | NYSE | PDS | Tue, Jun 30, 2020 | 15.00 | 15.48 | 14.27 | 15.18 | 3689 | NYSE | PDS | Mon, Jun 29, 2020 | 14.00 | 15.00 | 13.60 | 14.80 | 3688 | NYSE | PDS | Fri, Jun 26, 2020 | 14.20 | 14.41 | 13.60 | 14.00 | 3687 | NYSE | PDS | Thu, Jun 25, 2020 | 14.00 | 15.00 | 13.91 | 14.11 | 3686 | NYSE | PDS | Wed, Jun 24, 2020 | 14.60 | 15.00 | 13.82 | 14.17 | 3685 | NYSE | PDS | Tue, Jun 23, 2020 | 15.50 | 16.40 | 15.10 | 15.49 | 3684 | NYSE | PDS | Mon, Jun 22, 2020 | 15.60 | 15.96 | 15.12 | 15.42 | 3683 | NYSE | PDS | Fri, Jun 19, 2020 | 15.89 | 16.20 | 15.14 | 15.55 | 3682 | NYSE | PDS | Thu, Jun 18, 2020 | 15.11 | 16.00 | 15.00 | 15.42 | 3681 | NYSE | PDS | Wed, Jun 17, 2020 | 16.55 | 16.80 | 15.00 | 15.22 | 3680 | NYSE | PDS | Tue, Jun 16, 2020 | 17.59 | 17.60 | 15.90 | 16.47 | 3679 | NYSE | PDS | Mon, Jun 15, 2020 | 14.40 | 16.50 | 13.80 | 16.17 | 3678 | NYSE | PDS | Fri, Jun 12, 2020 | 15.60 | 17.19 | 15.00 | 15.70 | 3677 | NYSE | PDS | Thu, Jun 11, 2020 | 14.80 | 15.64 | 14.62 | 15.00 | 3676 | NYSE | PDS | Wed, Jun 10, 2020 | 18.20 | 18.58 | 15.20 | 17.05 | 3675 | NYSE | PDS | Tue, Jun 9, 2020 | 20.00 | 20.20 | 18.00 | 18.18 | 3674 | NYSE | PDS | Mon, Jun 8, 2020 | 19.60 | 19.80 | 18.00 | 19.34 | 3673 | NYSE | PDS | Fri, Jun 5, 2020 | 16.15 | 17.20 | 15.87 | 17.20 | 3672 | NYSE | PDS | Thu, Jun 4, 2020 | 13.40 | 14.89 | 13.02 | 14.68 | 3671 | NYSE | PDS | Wed, Jun 3, 2020 | 12.00 | 13.29 | 11.23 | 13.09 | 3670 | NYSE | PDS | Tue, Jun 2, 2020 | 11.21 | 11.85 | 10.95 | 11.69 | 3669 | NYSE | PDS | Mon, Jun 1, 2020 | 10.80 | 11.37 | 10.70 | 11.20 | 3668 | NYSE | PDS | Fri, May 29, 2020 | 11.16 | 11.38 | 10.60 | 10.91 | 3667 | NYSE | PDS | Thu, May 28, 2020 | 11.60 | 11.60 | 10.96 | 11.16 | 3666 | NYSE | PDS | Wed, May 27, 2020 | 10.32 | 11.64 | 10.32 | 11.60 | 3665 | NYSE | PDS | Tue, May 26, 2020 | 10.97 | 11.60 | 10.80 | 11.46 | 3664 | NYSE | PDS | Fri, May 22, 2020 | 10.90 | 10.99 | 10.40 | 10.74 | 3663 | NYSE | PDS | Thu, May 21, 2020 | 11.20 | 11.40 | 10.40 | 11.10 | 3662 | NYSE | PDS | Wed, May 20, 2020 | 10.90 | 11.20 | 10.64 | 11.15 | 3661 | NYSE | PDS | Tue, May 19, 2020 | 10.40 | 11.00 | 10.29 | 10.63 | 3660 | NYSE | PDS | Mon, May 18, 2020 | 10.50 | 11.00 | 10.29 | 10.74 | 3659 | NYSE | PDS | Fri, May 15, 2020 | 10.19 | 10.56 | 10.00 | 10.30 | 3658 | NYSE | PDS | Thu, May 14, 2020 | 10.40 | 10.72 | 9.00 | 10.44 | 3657 | NYSE | PDS | Wed, May 13, 2020 | 11.20 | 11.28 | 10.03 | 10.24 | 3656 | NYSE | PDS | Tue, May 12, 2020 | 11.80 | 11.94 | 11.42 | 11.56 | 3655 | NYSE | PDS | Mon, May 11, 2020 | 11.20 | 11.60 | 10.61 | 11.60 | 3654 | NYSE | PDS | Fri, May 8, 2020 | 10.42 | 11.20 | 10.06 | 11.11 | 3653 | NYSE | PDS | Thu, May 7, 2020 | 10.92 | 11.26 | 10.23 | 10.32 | 3652 | NYSE | PDS | Wed, May 6, 2020 | 11.60 | 11.60 | 10.40 | 10.50 | 3651 | NYSE | PDS | Tue, May 5, 2020 | 11.88 | 11.88 | 11.00 | 11.40 | 3650 | NYSE | PDS | Mon, May 4, 2020 | 9.60 | 10.80 | 9.40 | 10.80 | 3649 | NYSE | PDS | Fri, May 1, 2020 | 10.50 | 10.76 | 9.40 | 10.00 | 3648 | NYSE | PDS | Thu, Apr 30, 2020 | 11.00 | 12.00 | 9.33 | 11.00 | 3647 | NYSE | PDS | Wed, Apr 29, 2020 | 8.59 | 9.82 | 8.18 | 9.68 | 3646 | NYSE | PDS | Tue, Apr 28, 2020 | 7.60 | 8.00 | 7.46 | 8.00 | 3645 | NYSE | PDS | Mon, Apr 27, 2020 | 7.23 | 7.45 | 6.85 | 7.43 | 3644 | NYSE | PDS | Fri, Apr 24, 2020 | 7.95 | 7.95 | 6.98 | 7.55 | 3643 | NYSE | PDS | Thu, Apr 23, 2020 | 6.81 | 7.29 | 6.41 | 7.23 | 3642 | NYSE | PDS | Wed, Apr 22, 2020 | 6.30 | 6.40 | 5.93 | 6.38 | 3641 | NYSE | PDS | Tue, Apr 21, 2020 | 6.20 | 6.38 | 5.70 | 5.82 | 3640 | NYSE | PDS | Mon, Apr 20, 2020 | 6.60 | 6.60 | 6.00 | 6.24 | 3639 | NYSE | PDS | Fri, Apr 17, 2020 | 6.51 | 6.93 | 6.40 | 6.69 | 3638 | NYSE | PDS | Thu, Apr 16, 2020 | 7.20 | 7.20 | 6.40 | 6.53 | 3637 | NYSE | PDS | Wed, Apr 15, 2020 | 7.35 | 7.35 | 6.42 | 6.76 | 3636 | NYSE | PDS | Tue, Apr 14, 2020 | 8.00 | 8.00 | 7.16 | 7.47 | 3635 | NYSE | PDS | Mon, Apr 13, 2020 | 8.10 | 8.10 | 7.01 | 7.67 | 3634 | NYSE | PDS | Thu, Apr 9, 2020 | 7.00 | 7.40 | 6.68 | 7.01 | 3633 | NYSE | PDS | Wed, Apr 8, 2020 | 6.72 | 7.00 | 6.55 | 6.69 | 3632 | NYSE | PDS | Tue, Apr 7, 2020 | 7.60 | 7.76 | 6.43 | 6.60 | 3631 | NYSE | PDS | Mon, Apr 6, 2020 | 7.00 | 7.26 | 6.90 | 7.07 | 3630 | NYSE | PDS | Fri, Apr 3, 2020 | 8.00 | 8.00 | 6.48 | 6.90 | 3629 | NYSE | PDS | Thu, Apr 2, 2020 | 6.20 | 7.54 | 6.20 | 7.07 | 3628 | NYSE | PDS | Wed, Apr 1, 2020 | 6.31 | 6.60 | 6.00 | 6.12 | 3627 | NYSE | PDS | Tue, Mar 31, 2020 | 6.30 | 7.06 | 6.13 | 6.27 | 3626 | NYSE | PDS | Mon, Mar 30, 2020 | 6.05 | 6.30 | 5.50 | 5.95 | 3625 | NYSE | PDS | Fri, Mar 27, 2020 | 6.40 | 6.80 | 5.80 | 6.01 | 3624 | NYSE | PDS | Thu, Mar 26, 2020 | 7.00 | 7.15 | 6.22 | 6.34 | 3623 | NYSE | PDS | Wed, Mar 25, 2020 | 7.00 | 7.30 | 6.18 | 6.65 | 3622 | NYSE | PDS | Tue, Mar 24, 2020 | 6.30 | 6.64 | 5.80 | 6.61 | 3621 | NYSE | PDS | Mon, Mar 23, 2020 | 6.80 | 6.93 | 5.67 | 5.70 | 3620 | NYSE | PDS | Fri, Mar 20, 2020 | 6.96 | 7.10 | 5.44 | 6.54 | 3619 | NYSE | PDS | Thu, Mar 19, 2020 | 6.86 | 7.20 | 6.00 | 6.45 | 3618 | NYSE | PDS | Wed, Mar 18, 2020 | 7.00 | 7.20 | 5.80 | 6.56 | 3617 | NYSE | PDS | Tue, Mar 17, 2020 | 8.60 | 8.60 | 7.06 | 7.22 | 3616 | NYSE | PDS | Mon, Mar 16, 2020 | 8.28 | 8.99 | 7.02 | 7.60 | 3615 | NYSE | PDS | Fri, Mar 13, 2020 | 9.07 | 9.56 | 8.31 | 9.00 | 3614 | NYSE | PDS | Thu, Mar 12, 2020 | 8.57 | 9.20 | 8.20 | 8.40 | 3613 | NYSE | PDS | Wed, Mar 11, 2020 | 12.40 | 12.60 | 9.60 | 9.80 | 3612 | NYSE | PDS | Tue, Mar 10, 2020 | 19.20 | 23.80 | 11.16 | 12.00 | 3611 | NYSE | PDS | Mon, Mar 9, 2020 | 17.11 | 17.11 | 11.06 | 11.20 | 3610 | NYSE | PDS | Fri, Mar 6, 2020 | 22.00 | 22.40 | 20.40 | 20.80 | 3609 | NYSE | PDS | Thu, Mar 5, 2020 | 23.40 | 23.40 | 22.00 | 22.60 | 3608 | NYSE | PDS | Wed, Mar 4, 2020 | 24.20 | 24.20 | 23.00 | 23.60 | 3607 | NYSE | PDS | Tue, Mar 3, 2020 | 26.20 | 26.40 | 23.30 | 23.80 | 3606 | NYSE | PDS | Mon, Mar 2, 2020 | 25.00 | 25.20 | 24.10 | 25.00 | 3605 | NYSE | PDS | Fri, Feb 28, 2020 | 23.80 | 25.60 | 23.60 | 24.40 | 3604 | NYSE | PDS | Thu, Feb 27, 2020 | 23.60 | 25.10 | 23.00 | 24.60 | 3603 | NYSE | PDS | Wed, Feb 26, 2020 | 23.60 | 25.13 | 23.60 | 24.40 | 3602 | NYSE | PDS | Tue, Feb 25, 2020 | 25.80 | 25.80 | 23.80 | 23.80 | 3601 | NYSE | PDS | Mon, Feb 24, 2020 | 26.40 | 26.40 | 25.16 | 25.80 | 3600 | NYSE | PDS | Fri, Feb 21, 2020 | 28.80 | 28.80 | 27.20 | 27.40 | 3599 | NYSE | PDS | Thu, Feb 20, 2020 | 28.60 | 29.60 | 28.10 | 29.60 | 3598 | NYSE | PDS | Wed, Feb 19, 2020 | 27.40 | 28.60 | 27.00 | 28.60 | 3597 | NYSE | PDS | Tue, Feb 18, 2020 | 27.20 | 27.60 | 26.28 | 26.80 | 3596 | NYSE | PDS | Fri, Feb 14, 2020 | 28.80 | 29.40 | 27.20 | 27.60 | 3595 | NYSE | PDS | Thu, Feb 13, 2020 | 26.00 | 28.40 | 25.60 | 28.40 | 3594 | NYSE | PDS | Wed, Feb 12, 2020 | 24.80 | 25.40 | 24.20 | 25.00 | 3593 | NYSE | PDS | Tue, Feb 11, 2020 | 24.00 | 25.00 | 23.60 | 24.20 | 3592 | NYSE | PDS | Mon, Feb 10, 2020 | 23.80 | 24.80 | 23.40 | 23.60 | 3591 | NYSE | PDS | Fri, Feb 7, 2020 | 24.80 | 24.80 | 24.00 | 24.60 | 3590 | NYSE | PDS | Thu, Feb 6, 2020 | 25.40 | 25.80 | 24.31 | 24.80 | 3589 | NYSE | PDS | Wed, Feb 5, 2020 | 24.00 | 26.00 | 24.00 | 25.40 | 3588 | NYSE | PDS | Tue, Feb 4, 2020 | 23.80 | 24.40 | 23.40 | 23.40 | 3587 | NYSE | PDS | Mon, Feb 3, 2020 | 23.60 | 24.40 | 23.00 | 23.40 | 3586 | NYSE | PDS | Fri, Jan 31, 2020 | 24.40 | 24.60 | 23.30 | 23.40 | 3585 | NYSE | PDS | Thu, Jan 30, 2020 | 25.00 | 25.70 | 24.20 | 24.60 | 3584 | NYSE | PDS | Wed, Jan 29, 2020 | 24.40 | 25.20 | 24.10 | 24.60 | 3583 | NYSE | PDS | Tue, Jan 28, 2020 | 25.20 | 25.20 | 23.80 | 24.40 | 3582 | NYSE | PDS | Mon, Jan 27, 2020 | 24.20 | 25.00 | 23.60 | 24.60 | 3581 | NYSE | PDS | Fri, Jan 24, 2020 | 25.00 | 25.70 | 24.40 | 25.00 | 3580 | NYSE | PDS | Thu, Jan 23, 2020 | 25.80 | 26.20 | 24.60 | 25.00 | 3579 | NYSE | PDS | Wed, Jan 22, 2020 | 27.20 | 27.40 | 26.20 | 26.20 | 3578 | NYSE | PDS | Tue, Jan 21, 2020 | 29.20 | 29.40 | 27.20 | 27.20 | 3577 | NYSE | PDS | Fri, Jan 17, 2020 | 30.00 | 30.20 | 29.20 | 29.20 | 3576 | NYSE | PDS | Thu, Jan 16, 2020 | 30.00 | 30.70 | 29.80 | 29.80 | 3575 | NYSE | PDS | Wed, Jan 15, 2020 | 31.00 | 31.00 | 29.80 | 29.80 | 3574 | NYSE | PDS | Tue, Jan 14, 2020 | 31.00 | 31.20 | 29.80 | 30.60 | 3573 | NYSE | PDS | Mon, Jan 13, 2020 | 32.00 | 32.00 | 30.00 | 30.00 | 3572 | NYSE | PDS | Fri, Jan 10, 2020 | 32.80 | 32.80 | 31.60 | 31.60 | 3571 | NYSE | PDS | Thu, Jan 9, 2020 | 29.60 | 32.80 | 28.60 | 32.20 | 3570 | NYSE | PDS | Wed, Jan 8, 2020 | 31.40 | 31.40 | 29.00 | 29.40 | 3569 | NYSE | PDS | Tue, Jan 7, 2020 | 30.60 | 31.80 | 30.20 | 30.80 | 3568 | NYSE | PDS | Mon, Jan 6, 2020 | 30.00 | 30.70 | 29.20 | 30.60 | 3567 | NYSE | PDS | Fri, Jan 3, 2020 | 27.60 | 29.60 | 27.60 | 29.00 | 3566 | NYSE | PDS | Thu, Jan 2, 2020 | 27.60 | 29.00 | 27.60 | 28.20 | 3565 | NYSE | PDS | Tue, Dec 31, 2019 | 27.00 | 28.40 | 27.00 | 28.00 | 3564 | NYSE | PDS | Mon, Dec 30, 2019 | 28.20 | 29.20 | 27.40 | 27.60 | 3563 | NYSE | PDS | Fri, Dec 27, 2019 | 29.60 | 30.00 | 28.20 | 28.20 | 3562 | NYSE | PDS | Thu, Dec 26, 2019 | 29.80 | 30.20 | 29.20 | 29.60 | 3561 | NYSE | PDS | Tue, Dec 24, 2019 | 29.20 | 30.00 | 28.60 | 29.40 | 3560 | NYSE | PDS | Mon, Dec 23, 2019 | 27.60 | 29.40 | 27.60 | 29.40 | 3559 | NYSE | PDS | Fri, Dec 20, 2019 | 28.20 | 28.40 | 27.40 | 27.60 | 3558 | NYSE | PDS | Thu, Dec 19, 2019 | 27.40 | 29.11 | 27.40 | 28.20 | 3557 | NYSE | PDS | Wed, Dec 18, 2019 | 27.00 | 28.60 | 26.80 | 28.40 | 3556 | NYSE | PDS | Tue, Dec 17, 2019 | 26.40 | 28.40 | 26.40 | 27.20 | 3555 | NYSE | PDS | Mon, Dec 16, 2019 | 25.80 | 26.40 | 25.80 | 26.20 | 3554 | NYSE | PDS | Fri, Dec 13, 2019 | 25.20 | 26.00 | 25.20 | 26.00 | 3553 | NYSE | PDS | Thu, Dec 12, 2019 | 25.00 | 26.00 | 25.00 | 25.20 | 3552 | NYSE | PDS | Wed, Dec 11, 2019 | 24.80 | 25.20 | 24.60 | 25.00 | 3551 | NYSE | PDS | Tue, Dec 10, 2019 | 26.00 | 26.40 | 24.60 | 24.60 | 3550 | NYSE | PDS | Mon, Dec 9, 2019 | 25.20 | 26.00 | 24.70 | 25.60 | 3549 | NYSE | PDS | Fri, Dec 6, 2019 | 22.40 | 25.20 | 22.20 | 25.20 | 3548 | NYSE | PDS | Thu, Dec 5, 2019 | 22.00 | 22.70 | 21.80 | 22.40 | 3547 | NYSE | PDS | Wed, Dec 4, 2019 | 21.20 | 22.40 | 21.20 | 22.20 | 3546 | NYSE | PDS | Tue, Dec 3, 2019 | 21.60 | 21.60 | 20.90 | 21.00 | 3545 | NYSE | PDS | Mon, Dec 2, 2019 | 21.60 | 22.40 | 21.30 | 21.40 | 3544 | NYSE | PDS | Fri, Nov 29, 2019 | 20.60 | 21.40 | 20.60 | 21.20 | 3543 | NYSE | PDS | Wed, Nov 27, 2019 | 21.20 | 21.20 | 20.80 | 20.80 | 3542 | NYSE | PDS | Tue, Nov 26, 2019 | 20.80 | 21.40 | 20.80 | 20.80 | 3541 | NYSE | PDS | Mon, Nov 25, 2019 | 20.60 | 21.30 | 20.50 | 20.80 | 3540 | NYSE | PDS | Fri, Nov 22, 2019 | 21.00 | 21.40 | 20.70 | 21.00 | 3539 | NYSE | PDS | Thu, Nov 21, 2019 | 20.40 | 21.10 | 20.00 | 20.80 | 3538 | NYSE | PDS | Wed, Nov 20, 2019 | 20.00 | 21.00 | 19.88 | 20.00 | 3537 | NYSE | PDS | Tue, Nov 19, 2019 | 20.20 | 20.59 | 20.00 | 20.00 | 3536 | NYSE | PDS | Mon, Nov 18, 2019 | 20.80 | 21.00 | 20.20 | 20.20 | 3535 | NYSE | PDS | Fri, Nov 15, 2019 | 20.60 | 21.40 | 20.60 | 20.80 | 3534 | NYSE | PDS | Thu, Nov 14, 2019 | 20.80 | 21.10 | 20.20 | 20.40 | 3533 | NYSE | PDS | Wed, Nov 13, 2019 | 21.00 | 21.40 | 20.60 | 20.80 | 3532 | NYSE | PDS | Tue, Nov 12, 2019 | 21.80 | 22.20 | 21.00 | 21.60 | 3531 | NYSE | PDS | Mon, Nov 11, 2019 | 21.20 | 22.40 | 20.80 | 22.00 | 3530 | NYSE | PDS | Fri, Nov 8, 2019 | 21.80 | 22.00 | 21.00 | 21.60 | 3529 | NYSE | PDS | Thu, Nov 7, 2019 | 22.20 | 22.80 | 21.80 | 22.20 | 3528 | NYSE | PDS | Wed, Nov 6, 2019 | 22.60 | 23.00 | 21.80 | 21.80 | 3527 | NYSE | PDS | Tue, Nov 5, 2019 | 23.20 | 23.40 | 22.20 | 22.80 | 3526 | NYSE | PDS | Mon, Nov 4, 2019 | 22.20 | 23.20 | 22.00 | 23.20 | 3525 | NYSE | PDS | Fri, Nov 1, 2019 | 21.20 | 22.30 | 21.19 | 22.20 | 3524 | NYSE | PDS | Thu, Oct 31, 2019 | 21.60 | 21.60 | 20.80 | 21.00 | 3523 | NYSE | PDS | Wed, Oct 30, 2019 | 22.40 | 22.40 | 21.40 | 21.40 | 3522 | NYSE | PDS | Tue, Oct 29, 2019 | 23.00 | 23.40 | 21.80 | 22.40 | 3521 | NYSE | PDS | Mon, Oct 28, 2019 | 23.40 | 24.40 | 22.60 | 23.00 | 3520 | NYSE | PDS | Fri, Oct 25, 2019 | 21.00 | 23.00 | 20.60 | 23.00 | 3519 | NYSE | PDS | Thu, Oct 24, 2019 | 22.00 | 22.20 | 20.60 | 21.00 | 3518 | NYSE | PDS | Wed, Oct 23, 2019 | 21.20 | 21.60 | 20.80 | 21.20 | 3517 | NYSE | PDS | Tue, Oct 22, 2019 | 22.00 | 22.40 | 21.60 | 21.60 | 3516 | NYSE | PDS | Mon, Oct 21, 2019 | 21.40 | 22.20 | 21.40 | 22.00 | 3515 | NYSE | PDS | Fri, Oct 18, 2019 | 21.20 | 22.00 | 21.00 | 21.20 | 3514 | NYSE | PDS | Thu, Oct 17, 2019 | 21.40 | 21.80 | 21.00 | 21.00 | 3513 | NYSE | PDS | Wed, Oct 16, 2019 | 21.20 | 22.40 | 21.20 | 21.60 | 3512 | NYSE | PDS | Tue, Oct 15, 2019 | 21.60 | 22.20 | 20.80 | 21.40 | 3511 | NYSE | PDS | Mon, Oct 14, 2019 | 20.80 | 22.00 | 20.60 | 21.60 | 3510 | NYSE | PDS | Fri, Oct 11, 2019 | 21.20 | 21.40 | 20.80 | 21.00 | 3509 | NYSE | PDS | Thu, Oct 10, 2019 | 20.60 | 21.10 | 20.20 | 20.60 | 3508 | NYSE | PDS | Wed, Oct 9, 2019 | 21.00 | 21.40 | 20.00 | 20.20 | 3507 | NYSE | PDS | Tue, Oct 8, 2019 | 21.20 | 21.60 | 20.60 | 20.60 | 3506 | NYSE | PDS | Mon, Oct 7, 2019 | 22.20 | 22.60 | 21.20 | 21.60 | 3505 | NYSE | PDS | Fri, Oct 4, 2019 | 22.80 | 23.20 | 21.40 | 21.60 | 3504 | NYSE | PDS | Thu, Oct 3, 2019 | 21.00 | 22.60 | 20.80 | 22.40 | 3503 | NYSE | PDS | Wed, Oct 2, 2019 | 22.80 | 23.10 | 21.00 | 21.20 | 3502 | NYSE | PDS | Tue, Oct 1, 2019 | 22.80 | 23.40 | 22.60 | 22.80 | 3501 | NYSE | PDS | Mon, Sep 30, 2019 | 23.20 | 23.46 | 22.20 | 22.80 | 3500 | NYSE | PDS | Fri, Sep 27, 2019 | 24.00 | 25.10 | 23.60 | 23.60 | 3499 | NYSE | PDS | Thu, Sep 26, 2019 | 24.80 | 25.40 | 23.90 | 24.40 | 3498 | NYSE | PDS | Wed, Sep 25, 2019 | 25.40 | 26.00 | 25.20 | 25.40 | 3497 | NYSE | PDS | Tue, Sep 24, 2019 | 28.80 | 28.80 | 25.60 | 26.20 | 3496 | NYSE | PDS | Mon, Sep 23, 2019 | 27.60 | 29.00 | 27.50 | 28.60 | 3495 | NYSE | PDS | Fri, Sep 20, 2019 | 27.60 | 28.20 | 26.60 | 28.00 | 3494 | NYSE | PDS | Thu, Sep 19, 2019 | 28.00 | 28.40 | 27.60 | 27.60 | 3493 | NYSE | PDS | Wed, Sep 18, 2019 | 28.40 | 29.00 | 27.20 | 27.40 | 3492 | NYSE | PDS | Tue, Sep 17, 2019 | 30.60 | 30.60 | 28.60 | 29.00 | 3491 | NYSE | PDS | Mon, Sep 16, 2019 | 30.80 | 31.34 | 29.40 | 30.40 | 3490 | NYSE | PDS | Fri, Sep 13, 2019 | 27.60 | 28.20 | 27.20 | 28.20 | 3489 | NYSE | PDS | Thu, Sep 12, 2019 | 27.80 | 27.80 | 26.80 | 27.20 | 3488 | NYSE | PDS | Wed, Sep 11, 2019 | 28.80 | 30.00 | 27.80 | 28.00 | 3487 | NYSE | PDS | Tue, Sep 10, 2019 | 29.20 | 29.80 | 27.40 | 28.60 | 3486 | NYSE | PDS | Mon, Sep 9, 2019 | 27.40 | 30.20 | 27.40 | 29.00 | 3485 | NYSE | PDS | Fri, Sep 6, 2019 | 26.60 | 27.80 | 25.80 | 27.40 | 3484 | NYSE | PDS | Thu, Sep 5, 2019 | 26.00 | 27.20 | 25.60 | 27.00 | 3483 | NYSE | PDS | Wed, Sep 4, 2019 | 25.00 | 26.60 | 25.00 | 25.80 | 3482 | NYSE | PDS | Tue, Sep 3, 2019 | 23.40 | 24.80 | 22.80 | 24.20 | 3481 | NYSE | PDS | Fri, Aug 30, 2019 | 25.00 | 25.00 | 23.60 | 24.00 | 3480 | NYSE | PDS | Thu, Aug 29, 2019 | 23.60 | 25.40 | 23.20 | 24.80 | 3479 | NYSE | PDS | Wed, Aug 28, 2019 | 22.20 | 23.40 | 21.60 | 23.00 | 3478 | NYSE | PDS | Tue, Aug 27, 2019 | 21.20 | 22.40 | 21.20 | 21.80 | 3477 | NYSE | PDS | Mon, Aug 26, 2019 | 21.60 | 22.20 | 20.60 | 21.20 | 3476 | NYSE | PDS | Fri, Aug 23, 2019 | 22.20 | 22.80 | 21.40 | 21.40 | 3475 | NYSE | PDS | Thu, Aug 22, 2019 | 23.00 | 23.80 | 22.40 | 22.40 | 3474 | NYSE | PDS | Wed, Aug 21, 2019 | 24.40 | 24.60 | 22.80 | 23.00 | 3473 | NYSE | PDS | Tue, Aug 20, 2019 | 26.20 | 26.20 | 24.00 | 24.00 | 3472 | NYSE | PDS | Mon, Aug 19, 2019 | 22.40 | 26.00 | 22.40 | 25.20 | 3471 | NYSE | PDS | Fri, Aug 16, 2019 | 21.80 | 22.60 | 21.60 | 21.80 | 3470 | NYSE | PDS | Thu, Aug 15, 2019 | 22.40 | 22.40 | 21.40 | 22.00 | 3469 | NYSE | PDS | Wed, Aug 14, 2019 | 23.60 | 23.60 | 21.80 | 22.20 | 3468 | NYSE | PDS | Tue, Aug 13, 2019 | 24.40 | 26.20 | 23.70 | 23.80 | 3467 | NYSE | PDS | Mon, Aug 12, 2019 | 27.40 | 27.60 | 25.20 | 25.20 | 3466 | NYSE | PDS | Fri, Aug 9, 2019 | 29.00 | 29.40 | 27.20 | 27.40 | 3465 | NYSE | PDS | Thu, Aug 8, 2019 | 28.80 | 29.40 | 27.60 | 29.00 | 3464 | NYSE | PDS | Wed, Aug 7, 2019 | 28.60 | 29.00 | 26.40 | 28.40 | 3463 | NYSE | PDS | Tue, Aug 6, 2019 | 29.80 | 31.00 | 28.80 | 29.00 | 3462 | NYSE | PDS | Mon, Aug 5, 2019 | 30.60 | 30.60 | 29.19 | 29.40 | 3461 | NYSE | PDS | Fri, Aug 2, 2019 | 32.20 | 32.80 | 30.60 | 31.20 | 3460 | NYSE | PDS | Thu, Aug 1, 2019 | 34.20 | 34.90 | 31.82 | 32.60 | 3459 | NYSE | PDS | Wed, Jul 31, 2019 | 35.20 | 37.00 | 34.20 | 34.20 | 3458 | NYSE | PDS | Tue, Jul 30, 2019 | 32.00 | 35.20 | 31.80 | 35.00 | 3457 | NYSE | PDS | Mon, Jul 29, 2019 | 32.20 | 32.80 | 31.70 | 32.40 | 3456 | NYSE | PDS | Fri, Jul 26, 2019 | 32.80 | 33.10 | 31.21 | 32.20 | 3455 | NYSE | PDS | Thu, Jul 25, 2019 | 35.20 | 36.20 | 32.80 | 33.20 | 3454 | NYSE | PDS | Wed, Jul 24, 2019 | 34.60 | 35.20 | 34.00 | 34.80 | 3453 | NYSE | PDS | Tue, Jul 23, 2019 | 34.60 | 35.00 | 34.00 | 34.20 | 3452 | NYSE | PDS | Mon, Jul 22, 2019 | 34.00 | 34.81 | 33.40 | 34.60 | 3451 | NYSE | PDS | Fri, Jul 19, 2019 | 33.60 | 34.20 | 32.80 | 34.00 | 3450 | NYSE | PDS | Thu, Jul 18, 2019 | 32.80 | 33.80 | 32.40 | 33.60 | 3449 | NYSE | PDS | Wed, Jul 17, 2019 | 34.40 | 34.60 | 32.80 | 33.00 | 3448 | NYSE | PDS | Tue, Jul 16, 2019 | 34.40 | 35.60 | 34.20 | 34.60 | 3447 | NYSE | PDS | Mon, Jul 15, 2019 | 36.40 | 36.60 | 34.10 | 34.60 | 3446 | NYSE | PDS | Fri, Jul 12, 2019 | 37.00 | 37.40 | 36.20 | 36.60 | 3445 | NYSE | PDS | Thu, Jul 11, 2019 | 37.60 | 37.80 | 36.20 | 37.20 | 3444 | NYSE | PDS | Wed, Jul 10, 2019 | 35.20 | 37.60 | 35.20 | 37.60 | 3443 | NYSE | PDS | Tue, Jul 9, 2019 | 35.40 | 35.40 | 34.40 | 35.00 | 3442 | NYSE | PDS | Mon, Jul 8, 2019 | 37.40 | 37.50 | 35.40 | 35.60 | 3441 | NYSE | PDS | Fri, Jul 5, 2019 | 37.40 | 37.40 | 36.20 | 37.40 | 3440 | NYSE | PDS | Wed, Jul 3, 2019 | 37.60 | 37.80 | 36.60 | 37.20 | 3439 | NYSE | PDS | Tue, Jul 2, 2019 | 38.60 | 38.60 | 36.50 | 37.40 | 3438 | NYSE | PDS | Mon, Jul 1, 2019 | 38.60 | 41.60 | 38.60 | 39.00 | 3437 | NYSE | PDS | Fri, Jun 28, 2019 | 37.00 | 37.80 | 36.60 | 37.80 | 3436 | NYSE | PDS | Thu, Jun 27, 2019 | 38.00 | 38.20 | 36.60 | 37.00 | 3435 | NYSE | PDS | Wed, Jun 26, 2019 | 37.40 | 39.30 | 36.90 | 38.20 | 3434 | NYSE | PDS | Tue, Jun 25, 2019 | 36.20 | 37.10 | 36.00 | 36.60 | 3433 | NYSE | PDS | Mon, Jun 24, 2019 | 38.20 | 38.20 | 36.00 | 36.20 | 3432 | NYSE | PDS | Fri, Jun 21, 2019 | 38.80 | 38.80 | 36.50 | 38.00 | 3431 | NYSE | PDS | Thu, Jun 20, 2019 | 35.60 | 39.00 | 35.60 | 37.60 | 3430 | NYSE | PDS | Wed, Jun 19, 2019 | 34.20 | 35.20 | 33.20 | 34.40 | 3429 | NYSE | PDS | Tue, Jun 18, 2019 | 34.40 | 35.60 | 33.60 | 34.00 | 3428 | NYSE | PDS | Mon, Jun 17, 2019 | 33.20 | 34.40 | 33.00 | 33.60 | 3427 | NYSE | PDS | Fri, Jun 14, 2019 | 34.40 | 34.60 | 33.00 | 33.00 | 3426 | NYSE | PDS | Thu, Jun 13, 2019 | 34.40 | 34.80 | 33.00 | 34.40 | 3425 | NYSE | PDS | Wed, Jun 12, 2019 | 35.80 | 36.20 | 33.00 | 33.00 | 3424 | NYSE | PDS | Tue, Jun 11, 2019 | 35.80 | 36.50 | 35.50 | 36.20 | 3423 | NYSE | PDS | Mon, Jun 10, 2019 | 36.60 | 37.00 | 35.00 | 35.80 | 3422 | NYSE | PDS | Fri, Jun 7, 2019 | 36.40 | 37.00 | 35.80 | 36.60 | 3421 | NYSE | PDS | Thu, Jun 6, 2019 | 36.00 | 36.80 | 35.20 | 36.20 | 3420 | NYSE | PDS | Wed, Jun 5, 2019 | 38.20 | 38.60 | 35.60 | 36.00 | 3419 | NYSE | PDS | Tue, Jun 4, 2019 | 37.80 | 40.00 | 37.80 | 38.20 | 3418 | NYSE | PDS | Mon, Jun 3, 2019 | 36.80 | 38.30 | 36.60 | 37.20 | 3417 | NYSE | PDS | Fri, May 31, 2019 | 35.60 | 36.90 | 35.00 | 36.20 | 3416 | NYSE | PDS | Thu, May 30, 2019 | 36.80 | 37.40 | 35.20 | 36.40 | 3415 | NYSE | PDS | Wed, May 29, 2019 | 36.20 | 36.50 | 35.20 | 36.40 | 3414 | NYSE | PDS | Tue, May 28, 2019 | 38.20 | 38.60 | 37.00 | 37.00 | 3413 | NYSE | PDS | Fri, May 24, 2019 | 39.00 | 39.00 | 37.00 | 38.00 | 3412 | NYSE | PDS | Thu, May 23, 2019 | 40.00 | 40.20 | 37.80 | 37.80 | 3411 | NYSE | PDS | Wed, May 22, 2019 | 42.80 | 43.20 | 40.40 | 41.20 | 3410 | NYSE | PDS | Tue, May 21, 2019 | 42.80 | 43.60 | 42.00 | 43.00 | 3409 | NYSE | PDS | Mon, May 20, 2019 | 42.80 | 43.20 | 42.00 | 42.60 | 3408 | NYSE | PDS | Fri, May 17, 2019 | 43.60 | 43.60 | 42.20 | 42.20 | 3407 | NYSE | PDS | Thu, May 16, 2019 | 43.40 | 44.40 | 43.00 | 43.60 | 3406 | NYSE | PDS | Wed, May 15, 2019 | 43.00 | 43.40 | 42.00 | 43.20 | 3405 | NYSE | PDS | Tue, May 14, 2019 | 42.80 | 43.80 | 42.20 | 43.40 | 3404 | NYSE | PDS | Mon, May 13, 2019 | 44.00 | 44.50 | 42.10 | 42.20 | 3403 | NYSE | PDS | Fri, May 10, 2019 | 45.20 | 45.20 | 43.70 | 44.60 | 3402 | NYSE | PDS | Thu, May 9, 2019 | 43.40 | 45.50 | 43.20 | 45.40 | 3401 | NYSE | PDS | Wed, May 8, 2019 | 43.80 | 44.90 | 43.80 | 44.00 | 3400 | NYSE | PDS | Tue, May 7, 2019 | 45.40 | 45.40 | 43.00 | 44.00 | 3399 | NYSE | PDS | Mon, May 6, 2019 | 45.20 | 46.20 | 44.40 | 45.60 | 3398 | NYSE | PDS | Fri, May 3, 2019 | 45.40 | 46.40 | 44.60 | 46.00 | 3397 | NYSE | PDS | Thu, May 2, 2019 | 46.00 | 46.40 | 44.40 | 44.60 | 3396 | NYSE | PDS | Wed, May 1, 2019 | 48.80 | 49.19 | 46.40 | 46.60 | 3395 | NYSE | PDS | Tue, Apr 30, 2019 | 51.20 | 51.60 | 48.60 | 48.80 | 3394 | NYSE | PDS | Mon, Apr 29, 2019 | 52.20 | 52.60 | 50.40 | 50.80 | 3393 | NYSE | PDS | Fri, Apr 26, 2019 | 53.40 | 54.20 | 51.60 | 52.00 | 3392 | NYSE | PDS | Thu, Apr 25, 2019 | 58.00 | 60.20 | 53.60 | 53.60 | 3391 | NYSE | PDS | Wed, Apr 24, 2019 | 58.80 | 58.80 | 55.40 | 56.20 | 3390 | NYSE | PDS | Tue, Apr 23, 2019 | 57.40 | 58.90 | 57.00 | 58.60 | 3389 | NYSE | PDS | Mon, Apr 22, 2019 | 58.40 | 59.80 | 57.30 | 57.80 | 3388 | NYSE | PDS | Thu, Apr 18, 2019 | 55.40 | 57.40 | 54.60 | 57.20 | 3387 | NYSE | PDS | Wed, Apr 17, 2019 | 56.00 | 56.20 | 55.00 | 55.80 | 3386 | NYSE | PDS | Tue, Apr 16, 2019 | 54.00 | 55.60 | 53.00 | 55.60 | 3385 | NYSE | PDS | Mon, Apr 15, 2019 | 55.40 | 55.40 | 53.50 | 54.00 | 3384 | NYSE | PDS | Fri, Apr 12, 2019 | 55.60 | 56.00 | 54.60 | 55.20 | 3383 | NYSE | PDS | Thu, Apr 11, 2019 | 54.80 | 55.70 | 53.60 | 54.20 | 3382 | NYSE | PDS | Wed, Apr 10, 2019 | 54.40 | 55.50 | 53.40 | 55.20 | 3381 | NYSE | PDS | Tue, Apr 9, 2019 | 54.40 | 55.80 | 53.40 | 54.00 | 3380 | NYSE | PDS | Mon, Apr 8, 2019 | 52.40 | 55.00 | 52.00 | 54.40 | 3379 | NYSE | PDS | Fri, Apr 5, 2019 | 50.20 | 52.60 | 50.20 | 52.20 | 3378 | NYSE | PDS | Thu, Apr 4, 2019 | 50.20 | 50.60 | 48.80 | 50.20 | 3377 | NYSE | PDS | Wed, Apr 3, 2019 | 50.00 | 51.60 | 49.70 | 50.40 | 3376 | NYSE | PDS | Tue, Apr 2, 2019 | 50.20 | 51.20 | 49.20 | 50.00 | 3375 | NYSE | PDS | Mon, Apr 1, 2019 | 48.20 | 50.60 | 47.80 | 50.40 | 3374 | NYSE | PDS | Fri, Mar 29, 2019 | 48.40 | 48.40 | 46.40 | 47.80 | 3373 | NYSE | PDS | Thu, Mar 28, 2019 | 47.00 | 47.20 | 45.40 | 47.20 | 3372 | NYSE | PDS | Wed, Mar 27, 2019 | 47.80 | 48.50 | 46.20 | 46.80 | 3371 | NYSE | PDS | Tue, Mar 26, 2019 | 49.40 | 49.60 | 47.80 | 47.80 | 3370 | NYSE | PDS | Mon, Mar 25, 2019 | 47.80 | 49.20 | 47.40 | 48.20 | 3369 | NYSE | PDS | Fri, Mar 22, 2019 | 50.00 | 50.00 | 48.20 | 48.40 | 3368 | NYSE | PDS | Thu, Mar 21, 2019 | 49.20 | 52.00 | 49.20 | 50.60 | 3367 | NYSE | PDS | Wed, Mar 20, 2019 | 49.00 | 51.90 | 48.30 | 49.60 | 3366 | NYSE | PDS | Tue, Mar 19, 2019 | 48.20 | 49.70 | 48.10 | 49.00 | 3365 | NYSE | PDS | Mon, Mar 18, 2019 | 46.00 | 48.00 | 45.80 | 48.00 | 3364 | NYSE | PDS | Fri, Mar 15, 2019 | 46.20 | 46.60 | 44.90 | 45.80 | 3363 | NYSE | PDS | Thu, Mar 14, 2019 | 47.40 | 48.00 | 46.60 | 47.60 | 3362 | NYSE | PDS | Wed, Mar 13, 2019 | 47.40 | 48.20 | 46.40 | 47.60 | 3361 | NYSE | PDS | Tue, Mar 12, 2019 | 46.80 | 48.00 | 46.60 | 47.20 | 3360 | NYSE | PDS | Mon, Mar 11, 2019 | 46.60 | 48.30 | 46.40 | 46.60 | 3359 | NYSE | PDS | Fri, Mar 8, 2019 | 45.80 | 46.80 | 44.20 | 46.20 | 3358 | NYSE | PDS | Thu, Mar 7, 2019 | 47.60 | 47.80 | 45.80 | 46.40 | 3357 | NYSE | PDS | Wed, Mar 6, 2019 | 49.00 | 49.10 | 47.00 | 47.40 | 3356 | NYSE | PDS | Tue, Mar 5, 2019 | 50.40 | 50.80 | 48.80 | 49.20 | 3355 | NYSE | PDS | Mon, Mar 4, 2019 | 51.60 | 51.80 | 49.20 | 50.40 | 3354 | NYSE | PDS | Fri, Mar 1, 2019 | 50.60 | 52.40 | 50.20 | 51.20 | 3353 | NYSE | PDS | Thu, Feb 28, 2019 | 50.80 | 50.80 | 48.80 | 50.40 | 3352 | NYSE | PDS | Wed, Feb 27, 2019 | 51.80 | 52.60 | 50.20 | 51.00 | 3351 | NYSE | PDS | Tue, Feb 26, 2019 | 51.20 | 51.80 | 50.40 | 51.20 | 3350 | NYSE | PDS | Mon, Feb 25, 2019 | 51.80 | 52.40 | 51.00 | 51.20 | 3349 | NYSE | PDS | Fri, Feb 22, 2019 | 50.80 | 52.49 | 49.80 | 51.40 | 3348 | NYSE | PDS | Thu, Feb 21, 2019 | 52.00 | 52.80 | 50.00 | 50.00 | 3347 | NYSE | PDS | Wed, Feb 20, 2019 | 52.60 | 55.60 | 52.00 | 52.20 | 3346 | NYSE | PDS | Tue, Feb 19, 2019 | 49.00 | 52.80 | 48.60 | 52.40 | 3345 | NYSE | PDS | Fri, Feb 15, 2019 | 49.00 | 51.30 | 48.20 | 49.00 | 3344 | NYSE | PDS | Thu, Feb 14, 2019 | 43.80 | 51.00 | 43.80 | 48.60 | 3343 | NYSE | PDS | Wed, Feb 13, 2019 | 41.40 | 43.40 | 41.40 | 42.40 | 3342 | NYSE | PDS | Tue, Feb 12, 2019 | 42.00 | 42.30 | 40.90 | 41.40 | 3341 | NYSE | PDS | Mon, Feb 11, 2019 | 39.20 | 41.40 | 38.20 | 40.80 | 3340 | NYSE | PDS | Fri, Feb 8, 2019 | 40.20 | 40.40 | 39.00 | 39.00 | 3339 | NYSE | PDS | Thu, Feb 7, 2019 | 43.60 | 43.60 | 40.40 | 40.40 | 3338 | NYSE | PDS | Wed, Feb 6, 2019 | 42.40 | 44.60 | 42.00 | 43.80 | 3337 | NYSE | PDS | Tue, Feb 5, 2019 | 43.00 | 43.00 | 41.40 | 42.80 | 3336 | NYSE | PDS | Mon, Feb 4, 2019 | 43.60 | 44.00 | 42.20 | 42.80 | 3335 | NYSE | PDS | Fri, Feb 1, 2019 | 44.20 | 45.00 | 42.80 | 44.20 | 3334 | NYSE | PDS | Thu, Jan 31, 2019 | 42.80 | 46.40 | 42.60 | 43.60 | 3333 | NYSE | PDS | Wed, Jan 30, 2019 | 37.80 | 43.00 | 37.60 | 42.20 | 3332 | NYSE | PDS | Tue, Jan 29, 2019 | 38.60 | 39.20 | 36.80 | 37.00 | 3331 | NYSE | PDS | Mon, Jan 28, 2019 | 38.60 | 38.60 | 37.20 | 38.20 | 3330 | NYSE | PDS | Fri, Jan 25, 2019 | 38.40 | 39.40 | 38.00 | 38.60 | 3329 | NYSE | PDS | Thu, Jan 24, 2019 | 39.00 | 39.00 | 37.60 | 38.20 | 3328 | NYSE | PDS | Wed, Jan 23, 2019 | 41.20 | 41.40 | 38.00 | 39.00 | 3327 | NYSE | PDS | Tue, Jan 22, 2019 | 42.60 | 42.60 | 40.60 | 41.20 | 3326 | NYSE | PDS | Fri, Jan 18, 2019 | 43.80 | 43.80 | 41.30 | 43.40 | 3325 | NYSE | PDS | Thu, Jan 17, 2019 | 43.40 | 43.80 | 41.60 | 43.00 | 3324 | NYSE | PDS | Wed, Jan 16, 2019 | 45.80 | 47.60 | 43.60 | 43.60 | 3323 | NYSE | PDS | Tue, Jan 15, 2019 | 42.40 | 45.20 | 42.20 | 44.80 | 3322 | NYSE | PDS | Mon, Jan 14, 2019 | 43.80 | 44.40 | 41.80 | 42.40 | 3321 | NYSE | PDS | Fri, Jan 11, 2019 | 43.80 | 45.30 | 43.10 | 44.40 | 3320 | NYSE | PDS | Thu, Jan 10, 2019 | 43.20 | 45.90 | 42.40 | 44.60 | 3319 | NYSE | PDS | Wed, Jan 9, 2019 | 41.40 | 45.00 | 41.30 | 44.80 | 3318 | NYSE | PDS | Tue, Jan 8, 2019 | 41.20 | 41.60 | 39.40 | 40.40 | 3317 | NYSE | PDS | Mon, Jan 7, 2019 | 40.80 | 41.20 | 39.40 | 40.60 | 3316 | NYSE | PDS | Fri, Jan 4, 2019 | 39.40 | 40.50 | 38.60 | 40.00 | 3315 | NYSE | PDS | Thu, Jan 3, 2019 | 36.60 | 39.20 | 36.00 | 38.40 | 3314 | NYSE | PDS | Wed, Jan 2, 2019 | 34.60 | 37.40 | 33.40 | 36.20 | 3313 | NYSE | PDS | Mon, Dec 31, 2018 | 35.40 | 36.10 | 33.60 | 34.80 | 3312 | NYSE | PDS | Fri, Dec 28, 2018 | 34.40 | 36.00 | 34.20 | 34.80 | 3311 | NYSE | PDS | Thu, Dec 27, 2018 | 34.80 | 35.60 | 33.10 | 34.20 | 3310 | NYSE | PDS | Wed, Dec 26, 2018 | 34.60 | 35.40 | 32.40 | 35.40 | 3309 | NYSE | PDS | Mon, Dec 24, 2018 | 33.00 | 34.60 | 33.00 | 33.80 | 3308 | NYSE | PDS | Fri, Dec 21, 2018 | 36.00 | 37.00 | 33.60 | 34.00 | 3307 | NYSE | PDS | Thu, Dec 20, 2018 | 34.80 | 36.40 | 34.80 | 35.40 | 3306 | NYSE | PDS | Wed, Dec 19, 2018 | 35.40 | 37.60 | 35.20 | 35.20 | 3305 | NYSE | PDS | Tue, Dec 18, 2018 | 36.80 | 37.00 | 35.20 | 35.20 | 3304 | NYSE | PDS | Mon, Dec 17, 2018 | 37.20 | 38.20 | 36.25 | 36.60 | 3303 | NYSE | PDS | Fri, Dec 14, 2018 | 38.60 | 39.80 | 37.20 | 37.20 | 3302 | NYSE | PDS | Thu, Dec 13, 2018 | 39.60 | 41.00 | 39.00 | 39.40 | 3301 | NYSE | PDS | Wed, Dec 12, 2018 | 38.80 | 41.60 | 38.60 | 39.60 | 3300 | NYSE | PDS | Tue, Dec 11, 2018 | 40.40 | 40.80 | 37.30 | 37.80 | 3299 | NYSE | PDS | Mon, Dec 10, 2018 | 41.40 | 41.80 | 38.80 | 39.00 | 3298 | NYSE | PDS | Fri, Dec 7, 2018 | 43.60 | 44.80 | 41.80 | 42.20 | 3297 | NYSE | PDS | Thu, Dec 6, 2018 | 42.00 | 42.60 | 40.60 | 42.00 | 3296 | NYSE | PDS | Tue, Dec 4, 2018 | 46.80 | 47.00 | 43.40 | 43.40 | 3295 | NYSE | PDS | Mon, Dec 3, 2018 | 46.00 | 48.60 | 46.00 | 46.60 | 3294 | NYSE | PDS | Fri, Nov 30, 2018 | 45.40 | 46.40 | 43.80 | 46.00 | 3293 | NYSE | PDS | Thu, Nov 29, 2018 | 48.20 | 48.60 | 44.20 | 46.40 | 3292 | NYSE | PDS | Wed, Nov 28, 2018 | 49.60 | 50.60 | 48.20 | 49.40 | 3291 | NYSE | PDS | Tue, Nov 27, 2018 | 48.20 | 50.10 | 47.20 | 49.80 | 3290 | NYSE | PDS | Mon, Nov 26, 2018 | 50.00 | 50.20 | 48.10 | 48.60 | 3289 | NYSE | PDS | Fri, Nov 23, 2018 | 50.00 | 50.80 | 47.80 | 48.40 | 3288 | NYSE | PDS | Wed, Nov 21, 2018 | 50.20 | 52.00 | 50.20 | 51.20 | 3287 | NYSE | PDS | Tue, Nov 20, 2018 | 51.20 | 52.20 | 49.40 | 49.80 | 3286 | NYSE | PDS | Mon, Nov 19, 2018 | 50.60 | 53.60 | 50.40 | 52.40 | 3285 | NYSE | PDS | Fri, Nov 16, 2018 | 50.00 | 51.20 | 48.10 | 49.40 | 3284 | NYSE | PDS | Thu, Nov 15, 2018 | 49.20 | 50.40 | 49.00 | 49.60 | 3283 | NYSE | PDS | Wed, Nov 14, 2018 | 49.40 | 50.00 | 47.60 | 49.00 | 3282 | NYSE | PDS | Tue, Nov 13, 2018 | 49.00 | 49.70 | 47.20 | 48.00 | 3281 | NYSE | PDS | Mon, Nov 12, 2018 | 53.00 | 53.20 | 49.00 | 49.00 | 3280 | NYSE | PDS | Fri, Nov 9, 2018 | 51.80 | 53.80 | 50.60 | 52.20 | 3279 | NYSE | PDS | Thu, Nov 8, 2018 | 54.40 | 55.20 | 52.20 | 52.60 | 3278 | NYSE | PDS | Wed, Nov 7, 2018 | 50.00 | 54.40 | 50.00 | 53.80 | 3277 | NYSE | PDS | Tue, Nov 6, 2018 | 49.40 | 49.80 | 48.00 | 49.00 | 3276 | NYSE | PDS | Mon, Nov 5, 2018 | 49.00 | 50.20 | 48.20 | 49.00 | 3275 | NYSE | PDS | Fri, Nov 2, 2018 | 48.60 | 49.20 | 47.20 | 48.20 | 3274 | NYSE | PDS | Thu, Nov 1, 2018 | 48.60 | 50.30 | 48.00 | 48.40 | 3273 | NYSE | PDS | Wed, Oct 31, 2018 | 48.80 | 50.40 | 48.00 | 48.20 | 3272 | NYSE | PDS | Tue, Oct 30, 2018 | 46.60 | 49.40 | 46.20 | 48.60 | 3271 | NYSE | PDS | Mon, Oct 29, 2018 | 50.40 | 50.40 | 46.80 | 47.40 | 3270 | NYSE | PDS | Fri, Oct 26, 2018 | 49.40 | 50.50 | 48.40 | 50.00 | 3269 | NYSE | PDS | Thu, Oct 25, 2018 | 51.00 | 51.40 | 47.80 | 49.40 | 3268 | NYSE | PDS | Wed, Oct 24, 2018 | 53.40 | 53.80 | 50.90 | 51.60 | 3267 | NYSE | PDS | Tue, Oct 23, 2018 | 54.20 | 54.80 | 52.40 | 53.40 | 3266 | NYSE | PDS | Mon, Oct 22, 2018 | 57.00 | 57.40 | 55.60 | 55.80 | 3265 | NYSE | PDS | Fri, Oct 19, 2018 | 58.00 | 59.80 | 57.30 | 57.40 | 3264 | NYSE | PDS | Thu, Oct 18, 2018 | 58.60 | 59.40 | 57.40 | 57.80 | 3263 | NYSE | PDS | Wed, Oct 17, 2018 | 59.80 | 60.20 | 58.70 | 59.20 | 3262 | NYSE | PDS | Tue, Oct 16, 2018 | 61.60 | 61.60 | 60.40 | 60.60 | 3261 | NYSE | PDS | Mon, Oct 15, 2018 | 62.20 | 62.40 | 60.20 | 60.80 | 3260 | NYSE | PDS | Fri, Oct 12, 2018 | 63.60 | 64.20 | 62.00 | 62.40 | 3259 | NYSE | PDS | Thu, Oct 11, 2018 | 62.20 | 63.60 | 61.20 | 62.00 | 3258 | NYSE | PDS | Wed, Oct 10, 2018 | 66.40 | 66.40 | 62.60 | 63.40 | 3257 | NYSE | PDS | Tue, Oct 9, 2018 | 66.40 | 67.50 | 65.60 | 66.40 | 3256 | NYSE | PDS | Mon, Oct 8, 2018 | 66.40 | 66.80 | 64.80 | 65.00 | 3255 | NYSE | PDS | Fri, Oct 5, 2018 | 66.80 | 69.00 | 64.60 | 66.80 | 3254 | NYSE | PDS | Thu, Oct 4, 2018 | 70.00 | 71.00 | 68.40 | 68.80 | 3253 | NYSE | PDS | Wed, Oct 3, 2018 | 68.80 | 70.20 | 66.40 | 70.00 | 3252 | NYSE | PDS | Tue, Oct 2, 2018 | 70.00 | 71.40 | 67.20 | 68.20 | 3251 | NYSE | PDS | Mon, Oct 1, 2018 | 69.80 | 70.80 | 68.80 | 70.00 | 3250 | NYSE | PDS | Fri, Sep 28, 2018 | 69.40 | 70.60 | 68.60 | 69.20 | 3249 | NYSE | PDS | Thu, Sep 27, 2018 | 69.20 | 69.80 | 68.00 | 69.60 | 3248 | NYSE | PDS | Wed, Sep 26, 2018 | 71.60 | 72.00 | 68.40 | 68.80 | 3247 | NYSE | PDS | Tue, Sep 25, 2018 | 72.60 | 73.80 | 71.60 | 72.60 | 3246 | NYSE | PDS | Mon, Sep 24, 2018 | 73.60 | 75.80 | 71.40 | 71.80 | 3245 | NYSE | PDS | Fri, Sep 21, 2018 | 75.40 | 76.00 | 72.80 | 73.00 | 3244 | NYSE | PDS | Thu, Sep 20, 2018 | 77.00 | 77.00 | 73.60 | 75.40 | 3243 | NYSE | PDS | Wed, Sep 19, 2018 | 74.00 | 76.40 | 73.80 | 75.80 | 3242 | NYSE | PDS | Tue, Sep 18, 2018 | 73.00 | 74.20 | 72.40 | 74.00 | 3241 | NYSE | PDS | Mon, Sep 17, 2018 | 72.80 | 73.00 | 70.60 | 71.60 | 3240 | NYSE | PDS | Fri, Sep 14, 2018 | 71.40 | 72.60 | 70.60 | 72.40 | 3239 | NYSE | PDS | Thu, Sep 13, 2018 | 72.80 | 73.60 | 71.00 | 71.40 | 3238 | NYSE | PDS | Wed, Sep 12, 2018 | 73.40 | 75.20 | 73.20 | 73.40 | 3237 | NYSE | PDS | Tue, Sep 11, 2018 | 69.00 | 73.20 | 68.40 | 72.20 | 3236 | NYSE | PDS | Mon, Sep 10, 2018 | 70.60 | 71.40 | 68.40 | 68.80 | 3235 | NYSE | PDS | Fri, Sep 7, 2018 | 68.20 | 70.20 | 66.00 | 70.20 | 3234 | NYSE | PDS | Thu, Sep 6, 2018 | 71.00 | 71.00 | 67.30 | 69.00 | 3233 | NYSE | PDS | Wed, Sep 5, 2018 | 74.20 | 74.20 | 70.80 | 71.20 | 3232 | NYSE | PDS | Tue, Sep 4, 2018 | 78.00 | 78.60 | 75.60 | 76.80 | 3231 | NYSE | PDS | Fri, Aug 31, 2018 | 78.60 | 78.60 | 76.60 | 77.80 | 3230 | NYSE | PDS | Thu, Aug 30, 2018 | 81.60 | 81.60 | 78.40 | 79.40 | 3229 | NYSE | PDS | Wed, Aug 29, 2018 | 80.80 | 82.20 | 80.20 | 81.60 | 3228 | NYSE | PDS | Tue, Aug 28, 2018 | 81.80 | 82.40 | 80.40 | 80.60 | 3227 | NYSE | PDS | Mon, Aug 27, 2018 | 80.00 | 82.00 | 80.00 | 81.40 | 3226 | NYSE | PDS | Fri, Aug 24, 2018 | 80.60 | 81.60 | 79.20 | 79.80 | 3225 | NYSE | PDS | Thu, Aug 23, 2018 | 79.20 | 80.30 | 77.80 | 79.80 | 3224 | NYSE | PDS | Wed, Aug 22, 2018 | 77.60 | 80.40 | 77.20 | 80.00 | 3223 | NYSE | PDS | Tue, Aug 21, 2018 | 77.00 | 77.80 | 76.00 | 76.40 | 3222 | NYSE | PDS | Mon, Aug 20, 2018 | 74.00 | 76.40 | 73.20 | 76.00 | 3221 | NYSE | PDS | Fri, Aug 17, 2018 | 73.00 | 74.60 | 71.20 | 74.20 | 3220 | NYSE | PDS | Thu, Aug 16, 2018 | 71.20 | 71.72 | 69.20 | 70.40 | 3219 | NYSE | PDS | Wed, Aug 15, 2018 | 74.40 | 75.00 | 70.30 | 70.60 | 3218 | NYSE | PDS | Tue, Aug 14, 2018 | 74.40 | 76.40 | 74.40 | 75.80 | 3217 | NYSE | PDS | Mon, Aug 13, 2018 | 74.00 | 75.40 | 72.20 | 73.40 | 3216 | NYSE | PDS | Fri, Aug 10, 2018 | 71.20 | 74.60 | 69.80 | 74.20 | 3215 | NYSE | PDS | Thu, Aug 9, 2018 | 72.40 | 73.00 | 71.60 | 71.60 | 3214 | NYSE | PDS | Wed, Aug 8, 2018 | 71.60 | 73.80 | 71.47 | 72.60 | 3213 | NYSE | PDS | Tue, Aug 7, 2018 | 71.80 | 74.20 | 71.60 | 72.60 | 3212 | NYSE | PDS | Mon, Aug 6, 2018 | 73.00 | 73.20 | 70.80 | 71.20 | 3211 | NYSE | PDS | Fri, Aug 3, 2018 | 73.20 | 74.10 | 72.20 | 72.60 | 3210 | NYSE | PDS | Thu, Aug 2, 2018 | 72.00 | 74.20 | 71.60 | 73.00 | 3209 | NYSE | PDS | Wed, Aug 1, 2018 | 71.80 | 73.40 | 70.20 | 73.20 | 3208 | NYSE | PDS | Tue, Jul 31, 2018 | 72.40 | 72.80 | 70.20 | 72.60 | 3207 | NYSE | PDS | Mon, Jul 30, 2018 | 72.00 | 73.40 | 71.60 | 72.60 | 3206 | NYSE | PDS | Fri, Jul 27, 2018 | 71.80 | 71.80 | 69.20 | 70.20 | 3205 | NYSE | PDS | Thu, Jul 26, 2018 | 66.80 | 71.70 | 66.20 | 71.20 | 3204 | NYSE | PDS | Wed, Jul 25, 2018 | 68.60 | 69.20 | 67.60 | 69.20 | 3203 | NYSE | PDS | Tue, Jul 24, 2018 | 69.60 | 70.60 | 68.40 | 68.60 | 3202 | NYSE | PDS | Mon, Jul 23, 2018 | 72.80 | 73.00 | 69.00 | 69.40 | 3201 | NYSE | PDS | Fri, Jul 20, 2018 | 73.80 | 74.60 | 72.40 | 73.00 | 3200 | NYSE | PDS | Thu, Jul 19, 2018 | 71.60 | 74.20 | 71.60 | 73.20 | 3199 | NYSE | PDS | Wed, Jul 18, 2018 | 71.80 | 73.80 | 71.80 | 72.80 | 3198 | NYSE | PDS | Tue, Jul 17, 2018 | 71.80 | 73.00 | 71.07 | 72.40 | 3197 | NYSE | PDS | Mon, Jul 16, 2018 | 71.60 | 72.60 | 70.50 | 72.40 | 3196 | NYSE | PDS | Fri, Jul 13, 2018 | 75.00 | 77.20 | 73.00 | 73.00 | 3195 | NYSE | PDS | Thu, Jul 12, 2018 | 75.20 | 75.80 | 72.40 | 74.00 | 3194 | NYSE | PDS | Wed, Jul 11, 2018 | 73.00 | 75.50 | 70.70 | 71.60 | 3193 | NYSE | PDS | Tue, Jul 10, 2018 | 74.40 | 76.60 | 73.00 | 74.40 | 3192 | NYSE | PDS | Mon, Jul 9, 2018 | 69.00 | 73.60 | 68.80 | 72.20 | 3191 | NYSE | PDS | Fri, Jul 6, 2018 | 65.60 | 68.20 | 64.80 | 67.80 | 3190 | NYSE | PDS | Thu, Jul 5, 2018 | 66.60 | 67.00 | 65.60 | 65.60 | 3189 | NYSE | PDS | Tue, Jul 3, 2018 | 66.20 | 68.20 | 65.60 | 66.60 | 3188 | NYSE | PDS | Mon, Jul 2, 2018 | 65.40 | 65.60 | 63.60 | 64.20 | 3187 | NYSE | PDS | Fri, Jun 29, 2018 | 66.40 | 67.40 | 66.00 | 66.40 | 3186 | NYSE | PDS | Thu, Jun 28, 2018 | 67.00 | 67.00 | 64.60 | 65.80 | 3185 | NYSE | PDS | Wed, Jun 27, 2018 | 67.20 | 69.20 | 66.60 | 66.60 | 3184 | NYSE | PDS | Tue, Jun 26, 2018 | 65.20 | 66.40 | 62.90 | 65.80 | 3183 | NYSE | PDS | Mon, Jun 25, 2018 | 64.80 | 65.40 | 63.20 | 64.00 | 3182 | NYSE | PDS | Fri, Jun 22, 2018 | 63.20 | 65.80 | 63.00 | 65.40 | 3181 | NYSE | PDS | Thu, Jun 21, 2018 | 63.40 | 63.40 | 60.60 | 61.00 | 3180 | NYSE | PDS | Wed, Jun 20, 2018 | 63.40 | 64.60 | 63.20 | 64.40 | 3179 | NYSE | PDS | Tue, Jun 19, 2018 | 62.80 | 63.20 | 61.30 | 63.00 | 3178 | NYSE | PDS | Mon, Jun 18, 2018 | 63.00 | 65.40 | 63.00 | 64.00 | 3177 | NYSE | PDS | Fri, Jun 15, 2018 | 68.40 | 68.40 | 63.20 | 63.20 | 3176 | NYSE | PDS | Thu, Jun 14, 2018 | 69.60 | 70.20 | 68.00 | 68.60 | 3175 | NYSE | PDS | Wed, Jun 13, 2018 | 66.40 | 70.70 | 66.40 | 69.40 | 3174 | NYSE | PDS | Tue, Jun 12, 2018 | 66.20 | 67.40 | 65.60 | 66.60 | 3173 | NYSE | PDS | Mon, Jun 11, 2018 | 66.00 | 66.60 | 65.40 | 66.00 | 3172 | NYSE | PDS | Fri, Jun 8, 2018 | 69.00 | 69.10 | 66.40 | 67.00 | 3171 | NYSE | PDS | Thu, Jun 7, 2018 | 66.80 | 69.40 | 66.80 | 69.20 | 3170 | NYSE | PDS | Wed, Jun 6, 2018 | 66.00 | 67.20 | 65.20 | 66.60 | 3169 | NYSE | PDS | Tue, Jun 5, 2018 | 64.80 | 66.76 | 64.80 | 65.80 | 3168 | NYSE | PDS | Mon, Jun 4, 2018 | 68.60 | 68.80 | 64.40 | 65.40 | 3167 | NYSE | PDS | Fri, Jun 1, 2018 | 69.80 | 70.37 | 67.40 | 68.20 | 3166 | NYSE | PDS | Thu, May 31, 2018 | 71.00 | 72.50 | 69.10 | 69.40 | 3165 | NYSE | PDS | Wed, May 30, 2018 | 71.20 | 72.60 | 70.40 | 72.00 | 3164 | NYSE | PDS | Tue, May 29, 2018 | 70.00 | 70.80 | 69.20 | 70.20 | 3163 | NYSE | PDS | Fri, May 25, 2018 | 72.80 | 73.00 | 69.80 | 71.20 | 3162 | NYSE | PDS | Thu, May 24, 2018 | 74.00 | 76.60 | 72.82 | 75.80 | 3161 | NYSE | PDS | Wed, May 23, 2018 | 77.80 | 80.40 | 74.60 | 76.40 | 3160 | NYSE | PDS | Tue, May 22, 2018 | 81.00 | 82.40 | 78.60 | 78.80 | 3159 | NYSE | PDS | Mon, May 21, 2018 | 82.00 | 82.60 | 81.00 | 81.20 | 3158 | NYSE | PDS | Fri, May 18, 2018 | 82.60 | 82.80 | 81.00 | 81.00 | 3157 | NYSE | PDS | Thu, May 17, 2018 | 79.20 | 82.00 | 78.60 | 80.60 | 3156 | NYSE | PDS | Wed, May 16, 2018 | 77.80 | 79.90 | 76.80 | 78.20 | 3155 | NYSE | PDS | Tue, May 15, 2018 | 75.20 | 78.00 | 74.60 | 77.60 | 3154 | NYSE | PDS | Mon, May 14, 2018 | 74.00 | 75.80 | 73.40 | 75.00 | 3153 | NYSE | PDS | Fri, May 11, 2018 | 73.60 | 74.00 | 72.40 | 73.00 | 3152 | NYSE | PDS | Thu, May 10, 2018 | 72.40 | 74.40 | 71.80 | 73.60 | 3151 | NYSE | PDS | Wed, May 9, 2018 | 72.80 | 73.90 | 71.90 | 72.20 | 3150 | NYSE | PDS | Tue, May 8, 2018 | 70.20 | 71.80 | 68.00 | 70.80 | 3149 | NYSE | PDS | Mon, May 7, 2018 | 71.00 | 73.80 | 70.20 | 70.20 | 3148 | NYSE | PDS | Fri, May 4, 2018 | 68.80 | 71.00 | 68.20 | 69.60 | 3147 | NYSE | PDS | Thu, May 3, 2018 | 69.80 | 70.60 | 68.00 | 69.20 | 3146 | NYSE | PDS | Wed, May 2, 2018 | 67.80 | 71.80 | 67.80 | 70.60 | 3145 | NYSE | PDS | Tue, May 1, 2018 | 70.80 | 71.10 | 67.60 | 67.60 | 3144 | NYSE | PDS | Mon, Apr 30, 2018 | 69.20 | 72.40 | 68.80 | 71.20 | 3143 | NYSE | PDS | Fri, Apr 27, 2018 | 67.20 | 71.00 | 67.20 | 69.20 | 3142 | NYSE | PDS | Thu, Apr 26, 2018 | 65.60 | 69.30 | 65.20 | 67.40 | 3141 | NYSE | PDS | Wed, Apr 25, 2018 | 62.60 | 65.40 | 61.60 | 64.60 | 3140 | NYSE | PDS | Tue, Apr 24, 2018 | 64.40 | 65.80 | 61.80 | 63.20 | 3139 | NYSE | PDS | Mon, Apr 23, 2018 | 63.00 | 66.10 | 62.20 | 63.80 | 3138 | NYSE | PDS | Fri, Apr 20, 2018 | 64.20 | 65.20 | 63.25 | 64.00 | 3137 | NYSE | PDS | Thu, Apr 19, 2018 | 65.80 | 68.20 | 64.60 | 65.20 | 3136 | NYSE | PDS | Wed, Apr 18, 2018 | 64.00 | 66.20 | 63.00 | 65.40 | 3135 | NYSE | PDS | Tue, Apr 17, 2018 | 60.40 | 62.80 | 60.00 | 62.40 | 3134 | NYSE | PDS | Mon, Apr 16, 2018 | 62.00 | 63.00 | 60.20 | 60.80 | 3133 | NYSE | PDS | Fri, Apr 13, 2018 | 62.20 | 64.20 | 61.60 | 61.80 | 3132 | NYSE | PDS | Thu, Apr 12, 2018 | 61.60 | 63.54 | 60.00 | 62.20 | 3131 | NYSE | PDS | Wed, Apr 11, 2018 | 60.00 | 62.60 | 59.40 | 61.60 | 3130 | NYSE | PDS | Tue, Apr 10, 2018 | 56.00 | 60.50 | 56.00 | 59.40 | 3129 | NYSE | PDS | Mon, Apr 9, 2018 | 56.00 | 58.50 | 54.80 | 54.80 | 3128 | NYSE | PDS | Fri, Apr 6, 2018 | 55.80 | 57.40 | 54.60 | 55.80 | 3127 | NYSE | PDS | Thu, Apr 5, 2018 | 54.20 | 58.40 | 54.00 | 56.40 | 3126 | NYSE | PDS | Wed, Apr 4, 2018 | 53.00 | 54.91 | 52.50 | 53.80 | 3125 | NYSE | PDS | Tue, Apr 3, 2018 | 54.00 | 54.60 | 52.30 | 54.40 | 3124 | NYSE | PDS | Mon, Apr 2, 2018 | 55.40 | 55.50 | 52.00 | 53.00 | 3123 | NYSE | PDS | Thu, Mar 29, 2018 | 53.40 | 56.00 | 53.40 | 55.40 | 3122 | NYSE | PDS | Wed, Mar 28, 2018 | 55.40 | 55.40 | 53.20 | 53.20 | 3121 | NYSE | PDS | Tue, Mar 27, 2018 | 57.00 | 57.40 | 54.80 | 55.00 | 3120 | NYSE | PDS | Mon, Mar 26, 2018 | 58.00 | 58.00 | 55.40 | 56.80 | 3119 | NYSE | PDS | Fri, Mar 23, 2018 | 58.20 | 59.50 | 57.00 | 57.60 | 3118 | NYSE | PDS | Thu, Mar 22, 2018 | 58.40 | 59.40 | 57.20 | 57.20 | 3117 | NYSE | PDS | Wed, Mar 21, 2018 | 54.80 | 60.60 | 54.60 | 59.60 | 3116 | NYSE | PDS | Tue, Mar 20, 2018 | 54.60 | 55.78 | 53.00 | 54.20 | 3115 | NYSE | PDS | Mon, Mar 19, 2018 | 56.00 | 56.60 | 54.00 | 54.40 | 3114 | NYSE | PDS | Fri, Mar 16, 2018 | 56.20 | 57.00 | 54.80 | 56.80 | 3113 | NYSE | PDS | Thu, Mar 15, 2018 | 58.00 | 58.20 | 55.70 | 56.00 | 3112 | NYSE | PDS | Wed, Mar 14, 2018 | 59.00 | 59.00 | 56.80 | 57.80 | 3111 | NYSE | PDS | Tue, Mar 13, 2018 | 58.60 | 59.70 | 57.40 | 58.00 | 3110 | NYSE | PDS | Mon, Mar 12, 2018 | 57.40 | 58.80 | 56.64 | 58.80 | 3109 | NYSE | PDS | Fri, Mar 9, 2018 | 58.20 | 58.80 | 57.08 | 57.40 | 3108 | NYSE | PDS | Thu, Mar 8, 2018 | 59.80 | 59.80 | 56.40 | 57.20 | 3107 | NYSE | PDS | Wed, Mar 7, 2018 | 61.20 | 62.40 | 58.40 | 59.40 | 3106 | NYSE | PDS | Tue, Mar 6, 2018 | 64.80 | 66.00 | 61.20 | 61.80 | 3105 | NYSE | PDS | Mon, Mar 5, 2018 | 61.40 | 65.00 | 61.00 | 64.40 | 3104 | NYSE | PDS | Fri, Mar 2, 2018 | 60.80 | 61.60 | 58.60 | 61.60 | 3103 | NYSE | PDS | Thu, Mar 1, 2018 | 62.80 | 63.20 | 60.20 | 62.00 | 3102 | NYSE | PDS | Wed, Feb 28, 2018 | 67.40 | 68.00 | 62.30 | 63.00 | 3101 | NYSE | PDS | Tue, Feb 27, 2018 | 69.60 | 71.70 | 67.00 | 67.40 | 3100 | NYSE | PDS | Mon, Feb 26, 2018 | 69.80 | 70.00 | 67.50 | 69.60 | 3099 | NYSE | PDS | Fri, Feb 23, 2018 | 68.40 | 70.00 | 67.60 | 69.20 | 3098 | NYSE | PDS | Thu, Feb 22, 2018 | 68.80 | 70.20 | 67.60 | 68.40 | 3097 | NYSE | PDS | Wed, Feb 21, 2018 | 69.80 | 70.30 | 67.20 | 68.20 | 3096 | NYSE | PDS | Tue, Feb 20, 2018 | 68.20 | 71.00 | 67.00 | 69.80 | 3095 | NYSE | PDS | Fri, Feb 16, 2018 | 66.40 | 69.80 | 66.00 | 68.20 | 3094 | NYSE | PDS | Thu, Feb 15, 2018 | 67.20 | 69.20 | 64.00 | 67.40 | 3093 | NYSE | PDS | Wed, Feb 14, 2018 | 63.00 | 69.20 | 62.20 | 68.40 | 3092 | NYSE | PDS | Tue, Feb 13, 2018 | 65.40 | 65.60 | 62.60 | 65.20 | 3091 | NYSE | PDS | Mon, Feb 12, 2018 | 67.20 | 68.00 | 64.80 | 66.00 | 3090 | NYSE | PDS | Fri, Feb 9, 2018 | 68.80 | 69.60 | 62.00 | 65.60 | 3089 | NYSE | PDS | Thu, Feb 8, 2018 | 70.40 | 72.00 | 68.00 | 68.20 | 3088 | NYSE | PDS | Wed, Feb 7, 2018 | 71.80 | 75.00 | 67.80 | 69.60 | 3087 | NYSE | PDS | Tue, Feb 6, 2018 | 66.80 | 72.53 | 66.80 | 71.80 | 3086 | NYSE | PDS | Mon, Feb 5, 2018 | 69.40 | 72.10 | 67.00 | 68.80 | 3085 | NYSE | PDS | Fri, Feb 2, 2018 | 72.00 | 74.50 | 70.60 | 71.40 | 3084 | NYSE | PDS | Thu, Feb 1, 2018 | 72.80 | 76.60 | 72.20 | 74.00 | 3083 | NYSE | PDS | Wed, Jan 31, 2018 | 72.40 | 73.80 | 70.60 | 72.60 | 3082 | NYSE | PDS | Tue, Jan 30, 2018 | 74.00 | 74.20 | 71.30 | 72.20 | 3081 | NYSE | PDS | Mon, Jan 29, 2018 | 76.00 | 77.20 | 73.40 | 75.00 | 3080 | NYSE | PDS | Fri, Jan 26, 2018 | 75.40 | 78.60 | 74.20 | 76.40 | 3079 | NYSE | PDS | Thu, Jan 25, 2018 | 76.40 | 77.70 | 74.80 | 74.80 | 3078 | NYSE | PDS | Wed, Jan 24, 2018 | 76.80 | 77.80 | 74.00 | 75.80 | 3077 | NYSE | PDS | Tue, Jan 23, 2018 | 76.20 | 77.80 | 74.30 | 76.00 | 3076 | NYSE | PDS | Mon, Jan 22, 2018 | 75.60 | 77.60 | 74.20 | 75.80 | 3075 | NYSE | PDS | Fri, Jan 19, 2018 | 71.40 | 75.60 | 70.40 | 75.00 | 3074 | NYSE | PDS | Thu, Jan 18, 2018 | 72.20 | 73.40 | 70.20 | 72.00 | 3073 | NYSE | PDS | Wed, Jan 17, 2018 | 71.00 | 73.00 | 69.40 | 71.80 | 3072 | NYSE | PDS | Tue, Jan 16, 2018 | 74.80 | 75.60 | 70.80 | 70.80 | 3071 | NYSE | PDS | Fri, Jan 12, 2018 | 72.40 | 76.40 | 72.20 | 74.20 | 3070 | NYSE | PDS | Thu, Jan 11, 2018 | 67.40 | 74.40 | 67.00 | 72.00 | 3069 | NYSE | PDS | Wed, Jan 10, 2018 | 67.80 | 68.80 | 66.80 | 67.00 | 3068 | NYSE | PDS | Tue, Jan 9, 2018 | 66.40 | 68.20 | 65.40 | 67.20 | 3067 | NYSE | PDS | Mon, Jan 8, 2018 | 65.20 | 66.60 | 63.60 | 66.40 | 3066 | NYSE | PDS | Fri, Jan 5, 2018 | 66.20 | 67.00 | 64.20 | 65.20 | 3065 | NYSE | PDS | Thu, Jan 4, 2018 | 66.60 | 67.20 | 64.21 | 66.00 | 3064 | NYSE | PDS | Wed, Jan 3, 2018 | 64.60 | 67.20 | 64.60 | 65.40 | 3063 | NYSE | PDS | Tue, Jan 2, 2018 | 61.20 | 64.80 | 61.20 | 64.20 | 3062 | NYSE | PDS | Fri, Dec 29, 2017 | 61.40 | 61.60 | 59.70 | 60.40 | 3061 | NYSE | PDS | Thu, Dec 28, 2017 | 59.20 | 61.20 | 59.20 | 60.80 | 3060 | NYSE | PDS | Wed, Dec 27, 2017 | 57.60 | 60.20 | 57.40 | 59.00 | 3059 | NYSE | PDS | Tue, Dec 26, 2017 | 56.40 | 59.00 | 56.20 | 58.20 | 3058 | NYSE | PDS | Fri, Dec 22, 2017 | 58.00 | 58.00 | 55.50 | 56.20 | 3057 | NYSE | PDS | Thu, Dec 21, 2017 | 53.40 | 58.00 | 53.20 | 57.40 | 3056 | NYSE | PDS | Wed, Dec 20, 2017 | 50.20 | 54.00 | 50.20 | 53.40 | 3055 | NYSE | PDS | Tue, Dec 19, 2017 | 51.60 | 51.80 | 50.00 | 50.20 | 3054 | NYSE | PDS | Mon, Dec 18, 2017 | 51.00 | 52.90 | 50.60 | 51.40 | 3053 | NYSE | PDS | Fri, Dec 15, 2017 | 51.60 | 51.80 | 50.20 | 50.60 | 3052 | NYSE | PDS | Thu, Dec 14, 2017 | 52.00 | 52.40 | 51.00 | 51.40 | 3051 | NYSE | PDS | Wed, Dec 13, 2017 | 54.40 | 55.00 | 52.40 | 52.60 | 3050 | NYSE | PDS | Tue, Dec 12, 2017 | 56.00 | 57.20 | 54.20 | 54.20 | 3049 | NYSE | PDS | Mon, Dec 11, 2017 | 54.00 | 56.00 | 54.00 | 55.20 | 3048 | NYSE | PDS | Fri, Dec 8, 2017 | 54.00 | 54.40 | 53.10 | 53.60 | 3047 | NYSE | PDS | Thu, Dec 7, 2017 | 52.80 | 54.40 | 52.80 | 53.20 | 3046 | NYSE | PDS | Wed, Dec 6, 2017 | 56.40 | 56.40 | 52.30 | 53.00 | 3045 | NYSE | PDS | Tue, Dec 5, 2017 | 57.40 | 58.20 | 55.80 | 55.80 | 3044 | NYSE | PDS | Mon, Dec 4, 2017 | 59.60 | 60.50 | 57.40 | 57.80 | 3043 | NYSE | PDS | Fri, Dec 1, 2017 | 57.00 | 59.80 | 56.60 | 59.20 | 3042 | NYSE | PDS | Thu, Nov 30, 2017 | 54.20 | 56.20 | 53.70 | 56.00 | 3041 | NYSE | PDS | Wed, Nov 29, 2017 | 49.20 | 54.00 | 49.00 | 53.40 | 3040 | NYSE | PDS | Tue, Nov 28, 2017 | 50.40 | 51.20 | 48.80 | 49.20 | 3039 | NYSE | PDS | Mon, Nov 27, 2017 | 52.80 | 54.00 | 49.80 | 50.20 | 3038 | NYSE | PDS | Fri, Nov 24, 2017 | 54.60 | 55.20 | 53.20 | 53.60 | 3037 | NYSE | PDS | Wed, Nov 22, 2017 | 53.60 | 53.80 | 52.20 | 52.60 | 3036 | NYSE | PDS | Tue, Nov 21, 2017 | 53.40 | 54.20 | 51.40 | 51.80 | 3035 | NYSE | PDS | Mon, Nov 20, 2017 | 53.60 | 54.20 | 52.60 | 53.00 | 3034 | NYSE | PDS | Fri, Nov 17, 2017 | 54.40 | 55.40 | 53.60 | 54.40 | 3033 | NYSE | PDS | Thu, Nov 16, 2017 | 54.80 | 56.30 | 53.40 | 53.60 | 3032 | NYSE | PDS | Wed, Nov 15, 2017 | 54.80 | 55.50 | 53.00 | 55.00 | 3031 | NYSE | PDS | Tue, Nov 14, 2017 | 60.20 | 60.58 | 55.60 | 55.80 | 3030 | NYSE | PDS | Mon, Nov 13, 2017 | 62.80 | 63.80 | 60.80 | 60.80 | 3029 | NYSE | PDS | Fri, Nov 10, 2017 | 63.00 | 63.90 | 62.60 | 63.00 | 3028 | NYSE | PDS | Thu, Nov 9, 2017 | 62.40 | 64.80 | 62.10 | 62.80 | 3027 | NYSE | PDS | Wed, Nov 8, 2017 | 60.00 | 63.60 | 58.82 | 63.00 | 3026 | NYSE | PDS | Tue, Nov 7, 2017 | 62.60 | 63.40 | 60.00 | 60.20 | 3025 | NYSE | PDS | Mon, Nov 6, 2017 | 61.60 | 63.20 | 60.80 | 62.60 | 3024 | NYSE | PDS | Fri, Nov 3, 2017 | 59.00 | 61.60 | 58.40 | 60.60 | 3023 | NYSE | PDS | Thu, Nov 2, 2017 | 60.60 | 61.80 | 58.20 | 58.60 | 3022 | NYSE | PDS | Wed, Nov 1, 2017 | 61.00 | 63.40 | 59.20 | 60.40 | 3021 | NYSE | PDS | Tue, Oct 31, 2017 | 58.20 | 60.20 | 56.20 | 59.80 | 3020 | NYSE | PDS | Mon, Oct 30, 2017 | 51.60 | 58.40 | 51.20 | 58.00 | 3019 | NYSE | PDS | Fri, Oct 27, 2017 | 47.00 | 51.20 | 46.00 | 50.80 | 3018 | NYSE | PDS | Thu, Oct 26, 2017 | 46.40 | 47.10 | 45.12 | 46.20 | 3017 | NYSE | PDS | Wed, Oct 25, 2017 | 47.20 | 47.60 | 45.20 | 46.20 | 3016 | NYSE | PDS | Tue, Oct 24, 2017 | 47.80 | 48.60 | 47.40 | 47.40 | 3015 | NYSE | PDS | Mon, Oct 23, 2017 | 49.00 | 49.60 | 47.40 | 47.60 | 3014 | NYSE | PDS | Fri, Oct 20, 2017 | 49.20 | 50.40 | 48.80 | 48.80 | 3013 | NYSE | PDS | Thu, Oct 19, 2017 | 50.00 | 50.60 | 49.60 | 49.60 | 3012 | NYSE | PDS | Wed, Oct 18, 2017 | 52.40 | 53.00 | 50.60 | 50.60 | 3011 | NYSE | PDS | Tue, Oct 17, 2017 | 52.00 | 52.60 | 51.60 | 52.40 | 3010 | NYSE | PDS | Mon, Oct 16, 2017 | 53.00 | 53.20 | 52.00 | 52.20 | 3009 | NYSE | PDS | Fri, Oct 13, 2017 | 51.60 | 52.40 | 51.40 | 51.60 | 3008 | NYSE | PDS | Thu, Oct 12, 2017 | 51.40 | 51.60 | 50.00 | 50.80 | 3007 | NYSE | PDS | Wed, Oct 11, 2017 | 53.40 | 53.80 | 51.40 | 51.80 | 3006 | NYSE | PDS | Tue, Oct 10, 2017 | 56.40 | 56.80 | 53.40 | 53.40 | 3005 | NYSE | PDS | Mon, Oct 9, 2017 | 55.80 | 55.80 | 54.80 | 55.40 | 3004 | NYSE | PDS | Fri, Oct 6, 2017 | 55.40 | 55.60 | 52.80 | 55.40 | 3003 | NYSE | PDS | Thu, Oct 5, 2017 | 56.20 | 58.00 | 56.00 | 57.00 | 3002 | NYSE | PDS | Wed, Oct 4, 2017 | 58.20 | 58.80 | 55.80 | 56.20 | 3001 | NYSE | PDS | Tue, Oct 3, 2017 | 58.00 | 59.20 | 57.80 | 58.40 | 3000 | NYSE | PDS | Mon, Oct 2, 2017 | 61.20 | 61.20 | 57.80 | 57.80 | 2999 | NYSE | PDS | Fri, Sep 29, 2017 | 63.40 | 64.00 | 62.00 | 62.40 | 2998 | NYSE | PDS | Thu, Sep 28, 2017 | 63.40 | 64.40 | 62.80 | 64.00 | 2997 | NYSE | PDS | Wed, Sep 27, 2017 | 63.80 | 64.60 | 62.00 | 63.00 | 2996 | NYSE | PDS | Tue, Sep 26, 2017 | 61.40 | 63.40 | 60.80 | 63.40 | 2995 | NYSE | PDS | Mon, Sep 25, 2017 | 62.80 | 64.80 | 61.60 | 61.80 | 2994 | NYSE | PDS | Fri, Sep 22, 2017 | 59.60 | 62.10 | 59.60 | 61.40 | 2993 | NYSE | PDS | Thu, Sep 21, 2017 | 59.20 | 60.40 | 58.40 | 59.80 | 2992 | NYSE | PDS | Wed, Sep 20, 2017 | 57.20 | 60.00 | 56.80 | 59.60 | 2991 | NYSE | PDS | Tue, Sep 19, 2017 | 57.80 | 59.20 | 56.00 | 56.60 | 2990 | NYSE | PDS | Mon, Sep 18, 2017 | 58.20 | 59.40 | 57.00 | 57.60 | 2989 | NYSE | PDS | Fri, Sep 15, 2017 | 57.40 | 58.00 | 56.70 | 57.40 | 2988 | NYSE | PDS | Thu, Sep 14, 2017 | 57.20 | 60.00 | 56.70 | 57.40 | 2987 | NYSE | PDS | Wed, Sep 13, 2017 | 55.60 | 57.60 | 55.60 | 56.80 | 2986 | NYSE | PDS | Tue, Sep 12, 2017 | 54.20 | 57.10 | 53.60 | 54.60 | 2985 | NYSE | PDS | Mon, Sep 11, 2017 | 52.80 | 55.40 | 52.70 | 54.60 | 2984 | NYSE | PDS | Fri, Sep 8, 2017 | 54.80 | 55.00 | 51.90 | 52.60 | 2983 | NYSE | PDS | Thu, Sep 7, 2017 | 55.80 | 56.60 | 54.80 | 54.80 | 2982 | NYSE | PDS | Wed, Sep 6, 2017 | 52.20 | 57.00 | 52.20 | 56.80 | 2981 | NYSE | PDS | Tue, Sep 5, 2017 | 52.00 | 53.30 | 51.60 | 52.00 | 2980 | NYSE | PDS | Fri, Sep 1, 2017 | 51.20 | 51.80 | 49.90 | 51.20 | 2979 | NYSE | PDS | Thu, Aug 31, 2017 | 48.40 | 51.40 | 48.10 | 51.20 | 2978 | NYSE | PDS | Wed, Aug 30, 2017 | 49.00 | 49.40 | 47.60 | 48.20 | 2977 | NYSE | PDS | Tue, Aug 29, 2017 | 49.60 | 50.60 | 48.80 | 49.80 | 2976 | NYSE | PDS | Mon, Aug 28, 2017 | 51.60 | 51.80 | 49.25 | 50.20 | 2975 | NYSE | PDS | Fri, Aug 25, 2017 | 51.40 | 52.20 | 51.00 | 51.40 | 2974 | NYSE | PDS | Thu, Aug 24, 2017 | 53.00 | 53.00 | 50.80 | 51.20 | 2973 | NYSE | PDS | Wed, Aug 23, 2017 | 51.40 | 53.40 | 51.00 | 53.20 | 2972 | NYSE | PDS | Tue, Aug 22, 2017 | 51.40 | 52.80 | 51.40 | 51.80 | 2971 | NYSE | PDS | Mon, Aug 21, 2017 | 53.40 | 53.90 | 51.20 | 51.40 | 2970 | NYSE | PDS | Fri, Aug 18, 2017 | 52.40 | 55.00 | 52.10 | 54.00 | 2969 | NYSE | PDS | Thu, Aug 17, 2017 | 53.00 | 54.10 | 52.00 | 52.20 | 2968 | NYSE | PDS | Wed, Aug 16, 2017 | 55.60 | 56.00 | 52.20 | 53.20 | 2967 | NYSE | PDS | Tue, Aug 15, 2017 | 58.60 | 58.60 | 55.00 | 55.40 | 2966 | NYSE | PDS | Mon, Aug 14, 2017 | 59.00 | 59.60 | 58.00 | 58.60 | 2965 | NYSE | PDS | Fri, Aug 11, 2017 | 58.40 | 61.78 | 58.20 | 59.00 | 2964 | NYSE | PDS | Thu, Aug 10, 2017 | 59.00 | 60.60 | 58.60 | 58.80 | 2963 | NYSE | PDS | Wed, Aug 9, 2017 | 58.60 | 59.40 | 58.20 | 59.00 | 2962 | NYSE | PDS | Tue, Aug 8, 2017 | 58.40 | 60.20 | 58.20 | 58.60 | 2961 | NYSE | PDS | Mon, Aug 7, 2017 | 60.80 | 60.80 | 57.50 | 58.20 | 2960 | NYSE | PDS | Fri, Aug 4, 2017 | 58.80 | 61.20 | 57.40 | 60.80 | 2959 | NYSE | PDS | Thu, Aug 3, 2017 | 58.80 | 59.80 | 57.80 | 58.20 | 2958 | NYSE | PDS | Wed, Aug 2, 2017 | 59.40 | 59.40 | 57.00 | 58.80 | 2957 | NYSE | PDS | Tue, Aug 1, 2017 | 58.80 | 59.40 | 57.00 | 59.40 | 2956 | NYSE | PDS | Mon, Jul 31, 2017 | 62.80 | 62.80 | 57.40 | 58.40 | 2955 | NYSE | PDS | Fri, Jul 28, 2017 | 62.20 | 63.20 | 59.80 | 60.40 | 2954 | NYSE | PDS | Thu, Jul 27, 2017 | 60.80 | 62.20 | 60.00 | 61.20 | 2953 | NYSE | PDS | Wed, Jul 26, 2017 | 63.00 | 63.40 | 60.10 | 61.00 | 2952 | NYSE | PDS | Tue, Jul 25, 2017 | 62.20 | 63.40 | 61.00 | 62.40 | 2951 | NYSE | PDS | Mon, Jul 24, 2017 | 61.80 | 62.00 | 59.00 | 59.40 | 2950 | NYSE | PDS | Fri, Jul 21, 2017 | 63.00 | 63.40 | 60.80 | 60.80 | 2949 | NYSE | PDS | Thu, Jul 20, 2017 | 65.60 | 66.45 | 62.50 | 63.20 | 2948 | NYSE | PDS | Wed, Jul 19, 2017 | 58.20 | 66.20 | 58.20 | 65.80 | 2947 | NYSE | PDS | Tue, Jul 18, 2017 | 59.20 | 59.80 | 57.80 | 58.60 | 2946 | NYSE | PDS | Mon, Jul 17, 2017 | 58.80 | 60.20 | 57.80 | 58.80 | 2945 | NYSE | PDS | Fri, Jul 14, 2017 | 61.40 | 62.50 | 59.10 | 59.20 | 2944 | NYSE | PDS | Thu, Jul 13, 2017 | 61.00 | 62.00 | 59.80 | 61.40 | 2943 | NYSE | PDS | Wed, Jul 12, 2017 | 61.00 | 62.00 | 59.30 | 60.80 | 2942 | NYSE | PDS | Tue, Jul 11, 2017 | 62.00 | 62.40 | 59.00 | 59.80 | 2941 | NYSE | PDS | Mon, Jul 10, 2017 | 61.40 | 62.70 | 60.49 | 62.60 | 2940 | NYSE | PDS | Fri, Jul 7, 2017 | 61.80 | 62.00 | 58.40 | 61.60 | 2939 | NYSE | PDS | Thu, Jul 6, 2017 | 65.20 | 65.20 | 61.00 | 63.00 | 2938 | NYSE | PDS | Wed, Jul 5, 2017 | 67.00 | 68.20 | 62.60 | 63.00 | 2937 | NYSE | PDS | Mon, Jul 3, 2017 | 68.80 | 70.60 | 68.00 | 69.40 | 2936 | NYSE | PDS | Fri, Jun 30, 2017 | 65.80 | 68.40 | 64.00 | 68.20 | 2935 | NYSE | PDS | Thu, Jun 29, 2017 | 66.00 | 68.20 | 64.50 | 65.00 | 2934 | NYSE | PDS | Wed, Jun 28, 2017 | 67.20 | 68.80 | 66.80 | 67.20 | 2933 | NYSE | PDS | Tue, Jun 27, 2017 | 67.40 | 68.60 | 66.40 | 66.60 | 2932 | NYSE | PDS | Mon, Jun 26, 2017 | 67.20 | 68.40 | 66.00 | 67.00 | 2931 | NYSE | PDS | Fri, Jun 23, 2017 | 66.20 | 67.00 | 65.20 | 66.60 | 2930 | NYSE | PDS | Thu, Jun 22, 2017 | 64.20 | 67.20 | 63.80 | 65.40 | 2929 | NYSE | PDS | Wed, Jun 21, 2017 | 64.60 | 65.10 | 61.00 | 64.00 | 2928 | NYSE | PDS | Tue, Jun 20, 2017 | 66.20 | 68.00 | 62.80 | 66.20 | 2927 | NYSE | PDS | Mon, Jun 19, 2017 | 67.60 | 68.60 | 67.00 | 67.00 | 2926 | NYSE | PDS | Fri, Jun 16, 2017 | 67.60 | 68.50 | 66.60 | 67.20 | 2925 | NYSE | PDS | Thu, Jun 15, 2017 | 68.20 | 69.80 | 66.80 | 67.00 | 2924 | NYSE | PDS | Wed, Jun 14, 2017 | 73.20 | 73.20 | 68.40 | 69.00 | 2923 | NYSE | PDS | Tue, Jun 13, 2017 | 72.40 | 74.40 | 71.60 | 73.40 | 2922 | NYSE | PDS | Mon, Jun 12, 2017 | 71.80 | 73.20 | 71.20 | 72.00 | 2921 | NYSE | PDS | Fri, Jun 9, 2017 | 67.00 | 71.50 | 66.60 | 70.40 | 2920 | NYSE | PDS | Thu, Jun 8, 2017 | 65.80 | 68.20 | 65.60 | 66.80 | 2919 | NYSE | PDS | Wed, Jun 7, 2017 | 70.60 | 71.40 | 65.60 | 65.80 | 2918 | NYSE | PDS | Tue, Jun 6, 2017 | 70.00 | 71.55 | 68.60 | 71.40 | 2917 | NYSE | PDS | Mon, Jun 5, 2017 | 70.60 | 71.60 | 69.80 | 71.00 | 2916 | NYSE | PDS | Fri, Jun 2, 2017 | 73.20 | 73.20 | 69.90 | 71.20 | 2915 | NYSE | PDS | Thu, Jun 1, 2017 | 72.80 | 76.00 | 71.40 | 73.80 | 2914 | NYSE | PDS | Wed, May 31, 2017 | 71.60 | 72.80 | 68.80 | 72.60 | 2913 | NYSE | PDS | Tue, May 30, 2017 | 74.40 | 74.80 | 71.40 | 72.60 | 2912 | NYSE | PDS | Fri, May 26, 2017 | 75.00 | 76.60 | 74.40 | 75.40 | 2911 | NYSE | PDS | Thu, May 25, 2017 | 78.80 | 80.00 | 74.60 | 74.80 | 2910 | NYSE | PDS | Wed, May 24, 2017 | 78.60 | 79.80 | 77.50 | 79.20 | 2909 | NYSE | PDS | Tue, May 23, 2017 | 77.80 | 79.80 | 76.80 | 78.40 | 2908 | NYSE | PDS | Mon, May 22, 2017 | 79.60 | 79.60 | 76.00 | 76.60 | 2907 | NYSE | PDS | Fri, May 19, 2017 | 75.60 | 79.50 | 75.00 | 78.20 | 2906 | NYSE | PDS | Thu, May 18, 2017 | 73.80 | 75.20 | 72.00 | 74.20 | 2905 | NYSE | PDS | Wed, May 17, 2017 | 76.00 | 77.00 | 73.20 | 74.60 | 2904 | NYSE | PDS | Tue, May 16, 2017 | 79.40 | 79.80 | 76.20 | 76.80 | 2903 | NYSE | PDS | Mon, May 15, 2017 | 77.00 | 80.10 | 76.20 | 78.20 | 2902 | NYSE | PDS | Fri, May 12, 2017 | 76.10 | 76.20 | 73.40 | 73.60 | 2901 | NYSE | PDS | Thu, May 11, 2017 | 77.20 | 77.75 | 75.60 | 76.00 | 2900 | NYSE | PDS | Wed, May 10, 2017 | 74.20 | 78.40 | 73.80 | 76.40 | 2899 | NYSE | PDS | Tue, May 9, 2017 | 75.60 | 75.60 | 73.00 | 73.40 | 2898 | NYSE | PDS | Mon, May 8, 2017 | 75.80 | 76.80 | 73.80 | 75.60 | 2897 | NYSE | PDS | Fri, May 5, 2017 | 72.00 | 76.00 | 71.80 | 76.00 | 2896 | NYSE | PDS | Thu, May 4, 2017 | 74.00 | 74.20 | 70.60 | 71.80 | 2895 | NYSE | PDS | Wed, May 3, 2017 | 75.20 | 76.60 | 74.00 | 75.00 | 2894 | NYSE | PDS | Tue, May 2, 2017 | 76.40 | 78.10 | 75.20 | 75.60 | 2893 | NYSE | PDS | Mon, May 1, 2017 | 79.00 | 79.10 | 76.00 | 76.40 | 2892 | NYSE | PDS | Fri, Apr 28, 2017 | 81.80 | 82.40 | 78.60 | 79.40 | 2891 | NYSE | PDS | Thu, Apr 27, 2017 | 81.80 | 82.00 | 77.40 | 81.40 | 2890 | NYSE | PDS | Wed, Apr 26, 2017 | 83.40 | 85.80 | 82.00 | 82.60 | 2889 | NYSE | PDS | Tue, Apr 25, 2017 | 83.80 | 84.00 | 81.40 | 81.80 | 2888 | NYSE | PDS | Mon, Apr 24, 2017 | 87.20 | 88.00 | 82.40 | 83.60 | 2887 | NYSE | PDS | Fri, Apr 21, 2017 | 86.00 | 87.20 | 84.60 | 86.40 | 2886 | NYSE | PDS | Thu, Apr 20, 2017 | 89.20 | 89.53 | 86.40 | 86.40 | 2885 | NYSE | PDS | Wed, Apr 19, 2017 | 91.20 | 92.50 | 88.20 | 88.80 | 2884 | NYSE | PDS | Tue, Apr 18, 2017 | 92.00 | 93.70 | 90.60 | 91.00 | 2883 | NYSE | PDS | Mon, Apr 17, 2017 | 93.60 | 94.60 | 92.00 | 92.80 | 2882 | NYSE | PDS | Thu, Apr 13, 2017 | 98.40 | 99.20 | 93.40 | 93.40 | 2881 | NYSE | PDS | Wed, Apr 12, 2017 | 99.80 | 101.80 | 97.40 | 98.00 | 2880 | NYSE | PDS | Tue, Apr 11, 2017 | 101.20 | 101.60 | 98.60 | 99.80 | 2879 | NYSE | PDS | Mon, Apr 10, 2017 | 96.20 | 99.20 | 96.20 | 98.40 | 2878 | NYSE | PDS | Fri, Apr 7, 2017 | 97.40 | 98.20 | 95.00 | 95.00 | 2877 | NYSE | PDS | Thu, Apr 6, 2017 | 95.40 | 98.00 | 95.20 | 97.00 | 2876 | NYSE | PDS | Wed, Apr 5, 2017 | 95.80 | 98.30 | 94.20 | 94.40 | 2875 | NYSE | PDS | Tue, Apr 4, 2017 | 92.20 | 94.40 | 91.09 | 94.20 | 2874 | NYSE | PDS | Mon, Apr 3, 2017 | 94.40 | 94.40 | 91.20 | 92.20 | 2873 | NYSE | PDS | Fri, Mar 31, 2017 | 92.60 | 95.00 | 92.40 | 94.40 | 2872 | NYSE | PDS | Thu, Mar 30, 2017 | 95.40 | 95.60 | 92.80 | 92.80 | 2871 | NYSE | PDS | Wed, Mar 29, 2017 | 89.80 | 94.60 | 89.60 | 94.60 | 2870 | NYSE | PDS | Tue, Mar 28, 2017 | 88.20 | 90.50 | 87.40 | 90.20 | 2869 | NYSE | PDS | Mon, Mar 27, 2017 | 88.80 | 89.00 | 86.80 | 88.20 | 2868 | NYSE | PDS | Fri, Mar 24, 2017 | 91.80 | 92.90 | 89.20 | 89.40 | 2867 | NYSE | PDS | Thu, Mar 23, 2017 | 89.20 | 93.10 | 89.00 | 91.40 | 2866 | NYSE | PDS | Wed, Mar 22, 2017 | 88.00 | 90.40 | 87.00 | 90.20 | 2865 | NYSE | PDS | Tue, Mar 21, 2017 | 92.60 | 93.00 | 88.80 | 89.20 | 2864 | NYSE | PDS | Mon, Mar 20, 2017 | 90.80 | 92.10 | 90.00 | 91.80 | 2863 | NYSE | PDS | Fri, Mar 17, 2017 | 93.80 | 94.00 | 92.00 | 92.00 | 2862 | NYSE | PDS | Thu, Mar 16, 2017 | 95.00 | 95.00 | 91.80 | 93.20 | 2861 | NYSE | PDS | Wed, Mar 15, 2017 | 90.00 | 95.00 | 89.00 | 94.60 | 2860 | NYSE | PDS | Tue, Mar 14, 2017 | 89.60 | 89.60 | 86.60 | 88.60 | 2859 | NYSE | PDS | Mon, Mar 13, 2017 | 91.20 | 92.50 | 90.40 | 91.80 | 2858 | NYSE | PDS | Fri, Mar 10, 2017 | 92.20 | 93.60 | 89.80 | 91.00 | 2857 | NYSE | PDS | Thu, Mar 9, 2017 | 92.00 | 92.80 | 88.40 | 92.00 | 2856 | NYSE | PDS | Wed, Mar 8, 2017 | 96.40 | 96.40 | 91.80 | 93.00 | 2855 | NYSE | PDS | Tue, Mar 7, 2017 | 100.60 | 100.60 | 96.90 | 97.40 | 2854 | NYSE | PDS | Mon, Mar 6, 2017 | 100.60 | 101.00 | 97.90 | 100.20 | 2853 | NYSE | PDS | Fri, Mar 3, 2017 | 100.80 | 102.30 | 100.00 | 101.20 | 2852 | NYSE | PDS | Thu, Mar 2, 2017 | 103.00 | 103.20 | 99.80 | 100.60 | 2851 | NYSE | PDS | Wed, Mar 1, 2017 | 103.00 | 105.50 | 102.80 | 104.80 | 2850 | NYSE | PDS | Tue, Feb 28, 2017 | 100.00 | 102.60 | 99.60 | 102.40 | 2849 | NYSE | PDS | Mon, Feb 27, 2017 | 100.00 | 102.80 | 99.40 | 101.80 | 2848 | NYSE | PDS | Fri, Feb 24, 2017 | 101.80 | 102.15 | 98.50 | 99.00 | 2847 | NYSE | PDS | Thu, Feb 23, 2017 | 105.20 | 106.60 | 102.80 | 103.00 | 2846 | NYSE | PDS | Wed, Feb 22, 2017 | 105.80 | 107.60 | 101.80 | 102.60 | 2845 | NYSE | PDS | Tue, Feb 21, 2017 | 106.60 | 107.40 | 105.00 | 105.40 | 2844 | NYSE | PDS | Fri, Feb 17, 2017 | 106.00 | 106.80 | 104.40 | 105.20 | 2843 | NYSE | PDS | Thu, Feb 16, 2017 | 110.40 | 111.00 | 106.80 | 107.00 | 2842 | NYSE | PDS | Wed, Feb 15, 2017 | 113.20 | 114.20 | 109.80 | 110.40 | 2841 | NYSE | PDS | Tue, Feb 14, 2017 | 112.60 | 114.20 | 110.60 | 113.80 | 2840 | NYSE | PDS | Mon, Feb 13, 2017 | 112.20 | 112.60 | 110.00 | 111.40 | 2839 | NYSE | PDS | Fri, Feb 10, 2017 | 114.80 | 117.60 | 111.40 | 112.00 | 2838 | NYSE | PDS | Thu, Feb 9, 2017 | 113.00 | 117.10 | 109.60 | 110.80 | 2837 | NYSE | PDS | Wed, Feb 8, 2017 | 107.60 | 110.50 | 104.20 | 109.80 | 2836 | NYSE | PDS | Tue, Feb 7, 2017 | 112.00 | 112.80 | 108.00 | 108.20 | 2835 | NYSE | PDS | Mon, Feb 6, 2017 | 115.40 | 119.00 | 112.40 | 113.60 | 2834 | NYSE | PDS | Fri, Feb 3, 2017 | 114.60 | 118.40 | 114.40 | 116.00 | 2833 | NYSE | PDS | Thu, Feb 2, 2017 | 114.60 | 114.60 | 110.70 | 112.00 | 2832 | NYSE | PDS | Wed, Feb 1, 2017 | 113.40 | 114.39 | 110.70 | 113.40 | 2831 | NYSE | PDS | Tue, Jan 31, 2017 | 111.20 | 113.00 | 109.80 | 112.80 | 2830 | NYSE | PDS | Mon, Jan 30, 2017 | 114.60 | 114.60 | 108.30 | 110.60 | 2829 | NYSE | PDS | Fri, Jan 27, 2017 | 116.20 | 117.50 | 114.60 | 116.00 | 2828 | NYSE | PDS | Thu, Jan 26, 2017 | 120.40 | 121.40 | 117.20 | 117.40 | 2827 | NYSE | PDS | Wed, Jan 25, 2017 | 116.60 | 121.40 | 116.60 | 120.00 | 2826 | NYSE | PDS | Tue, Jan 24, 2017 | 114.80 | 117.20 | 114.60 | 116.60 | 2825 | NYSE | PDS | Mon, Jan 23, 2017 | 114.40 | 116.60 | 112.40 | 114.00 | 2824 | NYSE | PDS | Fri, Jan 20, 2017 | 116.40 | 118.40 | 115.80 | 116.20 | 2823 | NYSE | PDS | Thu, Jan 19, 2017 | 113.20 | 118.60 | 111.80 | 114.60 | 2822 | NYSE | PDS | Wed, Jan 18, 2017 | 109.60 | 111.20 | 109.00 | 110.00 | 2821 | NYSE | PDS | Tue, Jan 17, 2017 | 109.40 | 111.90 | 107.80 | 110.40 | 2820 | NYSE | PDS | Fri, Jan 13, 2017 | 110.00 | 111.60 | 107.50 | 108.60 | 2819 | NYSE | PDS | Thu, Jan 12, 2017 | 117.20 | 117.20 | 110.40 | 111.60 | 2818 | NYSE | PDS | Wed, Jan 11, 2017 | 117.00 | 117.20 | 113.40 | 115.20 | 2817 | NYSE | PDS | Tue, Jan 10, 2017 | 118.60 | 119.40 | 115.20 | 116.00 | 2816 | NYSE | PDS | Mon, Jan 9, 2017 | 116.80 | 122.80 | 116.20 | 116.80 | 2815 | NYSE | PDS | Fri, Jan 6, 2017 | 117.80 | 119.40 | 115.40 | 118.40 | 2814 | NYSE | PDS | Thu, Jan 5, 2017 | 117.60 | 118.60 | 114.10 | 115.20 | 2813 | NYSE | PDS | Wed, Jan 4, 2017 | 113.40 | 117.20 | 112.60 | 116.80 | 2812 | NYSE | PDS | Tue, Jan 3, 2017 | 111.20 | 113.40 | 108.60 | 110.80 | 2811 | NYSE | PDS | Fri, Dec 30, 2016 | 109.20 | 111.46 | 108.40 | 109.00 | 2810 | NYSE | PDS | Thu, Dec 29, 2016 | 110.00 | 110.40 | 108.40 | 109.20 | 2809 | NYSE | PDS | Wed, Dec 28, 2016 | 110.40 | 112.00 | 109.10 | 109.80 | 2808 | NYSE | PDS | Tue, Dec 27, 2016 | 110.00 | 112.50 | 109.00 | 110.80 | 2807 | NYSE | PDS | Fri, Dec 23, 2016 | 108.80 | 109.30 | 107.10 | 108.00 | 2806 | NYSE | PDS | Thu, Dec 22, 2016 | 111.40 | 111.80 | 108.60 | 109.80 | 2805 | NYSE | PDS | Wed, Dec 21, 2016 | 112.40 | 112.50 | 110.60 | 111.40 | 2804 | NYSE | PDS | Tue, Dec 20, 2016 | 112.00 | 112.90 | 109.60 | 111.40 | 2803 | NYSE | PDS | Mon, Dec 19, 2016 | 109.20 | 111.40 | 108.40 | 110.40 | 2802 | NYSE | PDS | Fri, Dec 16, 2016 | 111.80 | 112.60 | 109.00 | 109.80 | 2801 | NYSE | PDS | Thu, Dec 15, 2016 | 108.60 | 111.60 | 106.60 | 110.80 | 2800 | NYSE | PDS | Wed, Dec 14, 2016 | 113.40 | 115.20 | 110.20 | 110.60 | 2799 | NYSE | PDS | Tue, Dec 13, 2016 | 117.20 | 118.60 | 114.70 | 115.20 | 2798 | NYSE | PDS | Mon, Dec 12, 2016 | 125.00 | 125.00 | 114.40 | 114.40 | 2797 | NYSE | PDS | Fri, Dec 9, 2016 | 114.80 | 117.90 | 113.60 | 116.60 | 2796 | NYSE | PDS | Thu, Dec 8, 2016 | 112.00 | 114.60 | 110.80 | 113.40 | 2795 | NYSE | PDS | Wed, Dec 7, 2016 | 110.80 | 113.60 | 109.50 | 110.40 | 2794 | NYSE | PDS | Tue, Dec 6, 2016 | 110.00 | 114.40 | 108.20 | 111.20 | 2793 | NYSE | PDS | Mon, Dec 5, 2016 | 114.20 | 115.00 | 109.40 | 111.00 | 2792 | NYSE | PDS | Fri, Dec 2, 2016 | 106.00 | 113.40 | 106.00 | 111.80 | 2791 | NYSE | PDS | Thu, Dec 1, 2016 | 108.00 | 111.60 | 104.60 | 106.20 | 2790 | NYSE | PDS | Wed, Nov 30, 2016 | 99.60 | 106.40 | 97.60 | 106.00 | 2789 | NYSE | PDS | Tue, Nov 29, 2016 | 91.40 | 92.58 | 89.00 | 90.60 | 2788 | NYSE | PDS | Mon, Nov 28, 2016 | 98.60 | 99.00 | 92.20 | 92.20 | 2787 | NYSE | PDS | Fri, Nov 25, 2016 | 100.80 | 101.00 | 95.00 | 96.80 | 2786 | NYSE | PDS | Wed, Nov 23, 2016 | 98.20 | 102.40 | 97.00 | 102.20 | 2785 | NYSE | PDS | Tue, Nov 22, 2016 | 100.40 | 102.00 | 99.20 | 100.00 | 2784 | NYSE | PDS | Mon, Nov 21, 2016 | 97.20 | 100.60 | 96.60 | 100.20 | 2783 | NYSE | PDS | Fri, Nov 18, 2016 | 94.00 | 95.20 | 92.70 | 93.40 | 2782 | NYSE | PDS | Thu, Nov 17, 2016 | 94.60 | 96.00 | 92.60 | 93.60 | 2781 | NYSE | PDS | Wed, Nov 16, 2016 | 95.60 | 97.00 | 93.20 | 93.60 | 2780 | NYSE | PDS | Tue, Nov 15, 2016 | 89.00 | 97.60 | 89.00 | 97.00 | 2779 | NYSE | PDS | Mon, Nov 14, 2016 | 84.80 | 88.10 | 84.10 | 87.40 | 2778 | NYSE | PDS | Fri, Nov 11, 2016 | 88.60 | 89.00 | 84.40 | 84.80 | 2777 | NYSE | PDS | Thu, Nov 10, 2016 | 88.80 | 91.80 | 88.60 | 90.00 | 2776 | NYSE | PDS | Wed, Nov 9, 2016 | 85.60 | 92.60 | 83.40 | 89.60 | 2775 | NYSE | PDS | Tue, Nov 8, 2016 | 86.60 | 88.10 | 84.50 | 86.00 | 2774 | NYSE | PDS | Mon, Nov 7, 2016 | 87.20 | 88.60 | 85.70 | 88.00 | 2773 | NYSE | PDS | Fri, Nov 4, 2016 | 85.60 | 88.40 | 83.60 | 85.40 | 2772 | NYSE | PDS | Thu, Nov 3, 2016 | 87.20 | 89.60 | 85.80 | 86.60 | 2771 | NYSE | PDS | Wed, Nov 2, 2016 | 87.20 | 89.00 | 85.40 | 86.60 | 2770 | NYSE | PDS | Tue, Nov 1, 2016 | 90.00 | 91.00 | 86.20 | 89.00 | 2769 | NYSE | PDS | Mon, Oct 31, 2016 | 89.40 | 90.40 | 87.60 | 89.00 | 2768 | NYSE | PDS | Fri, Oct 28, 2016 | 94.40 | 95.40 | 87.80 | 90.00 | 2767 | NYSE | PDS | Thu, Oct 27, 2016 | 95.20 | 97.00 | 94.20 | 95.20 | 2766 | NYSE | PDS | Wed, Oct 26, 2016 | 94.20 | 98.20 | 93.40 | 94.20 | 2765 | NYSE | PDS | Tue, Oct 25, 2016 | 94.80 | 101.00 | 94.80 | 96.40 | 2764 | NYSE | PDS | Mon, Oct 24, 2016 | 98.60 | 100.20 | 94.00 | 95.60 | 2763 | NYSE | PDS | Fri, Oct 21, 2016 | 92.60 | 97.20 | 92.20 | 96.20 | 2762 | NYSE | PDS | Thu, Oct 20, 2016 | 90.60 | 93.30 | 90.20 | 93.00 | 2761 | NYSE | PDS | Wed, Oct 19, 2016 | 92.00 | 94.80 | 91.50 | 92.20 | 2760 | NYSE | PDS | Tue, Oct 18, 2016 | 91.40 | 91.40 | 89.20 | 90.60 | 2759 | NYSE | PDS | Mon, Oct 17, 2016 | 91.40 | 92.80 | 88.80 | 89.60 | 2758 | NYSE | PDS | Fri, Oct 14, 2016 | 94.80 | 95.20 | 92.00 | 92.20 | 2757 | NYSE | PDS | Thu, Oct 13, 2016 | 90.60 | 94.55 | 89.20 | 94.40 | 2756 | NYSE | PDS | Wed, Oct 12, 2016 | 93.40 | 94.10 | 91.00 | 91.20 | 2755 | NYSE | PDS | Tue, Oct 11, 2016 | 96.20 | 97.40 | 93.10 | 95.00 | 2754 | NYSE | PDS | Mon, Oct 10, 2016 | 93.60 | 101.76 | 93.00 | 98.00 | 2753 | NYSE | PDS | Fri, Oct 7, 2016 | 91.00 | 93.20 | 89.00 | 92.40 | 2752 | NYSE | PDS | Thu, Oct 6, 2016 | 87.20 | 92.90 | 87.00 | 90.40 | 2751 | NYSE | PDS | Wed, Oct 5, 2016 | 85.00 | 87.30 | 84.10 | 86.60 | 2750 | NYSE | PDS | Tue, Oct 4, 2016 | 82.60 | 86.09 | 81.40 | 83.00 | 2749 | NYSE | PDS | Mon, Oct 3, 2016 | 84.40 | 84.60 | 81.20 | 82.80 | 2748 | NYSE | PDS | Fri, Sep 30, 2016 | 84.00 | 84.60 | 81.40 | 83.60 | 2747 | NYSE | PDS | Thu, Sep 29, 2016 | 81.40 | 87.00 | 80.80 | 83.80 | 2746 | NYSE | PDS | Wed, Sep 28, 2016 | 73.00 | 81.80 | 72.70 | 81.00 | 2745 | NYSE | PDS | Tue, Sep 27, 2016 | 72.40 | 72.80 | 70.22 | 72.60 | 2744 | NYSE | PDS | Mon, Sep 26, 2016 | 75.20 | 75.70 | 73.70 | 74.00 | 2743 | NYSE | PDS | Fri, Sep 23, 2016 | 75.60 | 76.00 | 73.40 | 74.60 | 2742 | NYSE | PDS | Thu, Sep 22, 2016 | 77.00 | 78.60 | 76.20 | 76.40 | 2741 | NYSE | PDS | Wed, Sep 21, 2016 | 72.80 | 75.00 | 71.80 | 75.00 | 2740 | NYSE | PDS | Tue, Sep 20, 2016 | 73.80 | 74.00 | 71.20 | 71.60 | 2739 | NYSE | PDS | Mon, Sep 19, 2016 | 76.20 | 77.60 | 73.60 | 74.00 | 2738 | NYSE | PDS | Fri, Sep 16, 2016 | 74.40 | 76.00 | 73.00 | 75.40 | 2737 | NYSE | PDS | Thu, Sep 15, 2016 | 77.00 | 77.80 | 75.40 | 75.40 | 2736 | NYSE | PDS | Wed, Sep 14, 2016 | 74.80 | 77.00 | 73.60 | 75.20 | 2735 | NYSE | PDS | Tue, Sep 13, 2016 | 78.40 | 79.60 | 74.82 | 75.40 | 2734 | NYSE | PDS | Mon, Sep 12, 2016 | 79.40 | 81.20 | 78.20 | 80.20 | 2733 | NYSE | PDS | Fri, Sep 9, 2016 | 85.20 | 85.20 | 80.40 | 80.40 | 2732 | NYSE | PDS | Thu, Sep 8, 2016 | 86.20 | 87.70 | 84.60 | 86.60 | 2731 | NYSE | PDS | Wed, Sep 7, 2016 | 88.60 | 89.80 | 85.20 | 85.20 | 2730 | NYSE | PDS | Tue, Sep 6, 2016 | 88.40 | 89.40 | 85.80 | 88.40 | 2729 | NYSE | PDS | Fri, Sep 2, 2016 | 86.00 | 87.80 | 85.40 | 86.40 | 2728 | NYSE | PDS | Thu, Sep 1, 2016 | 81.80 | 84.80 | 80.80 | 84.40 | 2727 | NYSE | PDS | Wed, Aug 31, 2016 | 81.40 | 83.20 | 81.40 | 82.40 | 2726 | NYSE | PDS | Tue, Aug 30, 2016 | 84.00 | 85.40 | 81.80 | 82.40 | 2725 | NYSE | PDS | Mon, Aug 29, 2016 | 83.60 | 84.90 | 82.80 | 83.60 | 2724 | NYSE | PDS | Fri, Aug 26, 2016 | 85.80 | 87.40 | 83.60 | 84.20 | 2723 | NYSE | PDS | Thu, Aug 25, 2016 | 85.40 | 87.00 | 84.60 | 85.40 | 2722 | NYSE | PDS | Wed, Aug 24, 2016 | 85.80 | 87.80 | 85.20 | 85.60 | 2721 | NYSE | PDS | Tue, Aug 23, 2016 | 85.60 | 88.80 | 85.20 | 86.60 | 2720 | NYSE | PDS | Mon, Aug 22, 2016 | 87.60 | 88.00 | 84.60 | 85.60 | 2719 | NYSE | PDS | Fri, Aug 19, 2016 | 91.00 | 91.59 | 88.60 | 89.00 | 2718 | NYSE | PDS | Thu, Aug 18, 2016 | 90.00 | 94.40 | 90.00 | 92.00 | 2717 | NYSE | PDS | Wed, Aug 17, 2016 | 90.60 | 90.80 | 88.60 | 89.60 | 2716 | NYSE | PDS | Tue, Aug 16, 2016 | 91.40 | 92.20 | 89.40 | 91.80 | 2715 | NYSE | PDS | Mon, Aug 15, 2016 | 90.00 | 94.00 | 90.00 | 91.20 | 2714 | NYSE | PDS | Fri, Aug 12, 2016 | 93.60 | 93.60 | 88.50 | 89.20 | 2713 | NYSE | PDS | Thu, Aug 11, 2016 | 94.00 | 94.40 | 92.00 | 93.20 | 2712 | NYSE | PDS | Wed, Aug 10, 2016 | 96.80 | 97.00 | 93.00 | 93.20 | 2711 | NYSE | PDS | Tue, Aug 9, 2016 | 97.40 | 98.00 | 95.20 | 96.00 | 2710 | NYSE | PDS | Mon, Aug 8, 2016 | 94.60 | 97.30 | 94.00 | 96.40 | 2709 | NYSE | PDS | Fri, Aug 5, 2016 | 93.60 | 93.60 | 91.40 | 93.00 | 2708 | NYSE | PDS | Thu, Aug 4, 2016 | 89.80 | 94.60 | 89.40 | 94.20 | 2707 | NYSE | PDS | Wed, Aug 3, 2016 | 84.60 | 90.80 | 83.00 | 90.40 | 2706 | NYSE | PDS | Tue, Aug 2, 2016 | 83.60 | 86.20 | 83.10 | 84.60 | 2705 | NYSE | PDS | Mon, Aug 1, 2016 | 83.80 | 84.80 | 81.00 | 82.40 | 2704 | NYSE | PDS | Fri, Jul 29, 2016 | 85.00 | 86.60 | 83.20 | 85.40 | 2703 | NYSE | PDS | Thu, Jul 28, 2016 | 87.20 | 89.20 | 84.00 | 84.60 | 2702 | NYSE | PDS | Wed, Jul 27, 2016 | 89.60 | 90.20 | 86.40 | 87.00 | 2701 | NYSE | PDS | Tue, Jul 26, 2016 | 87.00 | 89.00 | 86.62 | 88.80 | 2700 | NYSE | PDS | Mon, Jul 25, 2016 | 89.20 | 89.60 | 87.20 | 88.00 | 2699 | NYSE | PDS | Fri, Jul 22, 2016 | 90.00 | 91.20 | 86.00 | 90.60 | 2698 | NYSE | PDS | Thu, Jul 21, 2016 | 92.40 | 95.20 | 89.40 | 89.60 | 2697 | NYSE | PDS | Wed, Jul 20, 2016 | 92.80 | 95.40 | 91.40 | 93.80 | 2696 | NYSE | PDS | Tue, Jul 19, 2016 | 98.60 | 98.60 | 93.60 | 93.80 | 2695 | NYSE | PDS | Mon, Jul 18, 2016 | 97.60 | 99.60 | 96.60 | 99.40 | 2694 | NYSE | PDS | Fri, Jul 15, 2016 | 100.40 | 100.80 | 98.00 | 98.80 | 2693 | NYSE | PDS | Thu, Jul 14, 2016 | 101.60 | 102.20 | 99.40 | 99.80 | 2692 | NYSE | PDS | Wed, Jul 13, 2016 | 102.80 | 103.40 | 97.30 | 99.20 | 2691 | NYSE | PDS | Tue, Jul 12, 2016 | 100.60 | 103.80 | 99.30 | 103.20 | 2690 | NYSE | PDS | Mon, Jul 11, 2016 | 102.80 | 103.20 | 96.70 | 97.20 | 2689 | NYSE | PDS | Fri, Jul 8, 2016 | 101.40 | 103.40 | 100.70 | 101.80 | 2688 | NYSE | PDS | Thu, Jul 7, 2016 | 105.60 | 106.30 | 99.50 | 99.80 | 2687 | NYSE | PDS | Wed, Jul 6, 2016 | 102.40 | 104.50 | 101.50 | 103.60 | 2686 | NYSE | PDS | Tue, Jul 5, 2016 | 106.40 | 106.40 | 102.10 | 103.80 | 2685 | NYSE | PDS | Fri, Jul 1, 2016 | 105.60 | 111.20 | 105.60 | 110.80 | 2684 | NYSE | PDS | Thu, Jun 30, 2016 | 105.80 | 106.40 | 102.80 | 106.00 | 2683 | NYSE | PDS | Wed, Jun 29, 2016 | 102.60 | 107.30 | 102.20 | 106.60 | 2682 | NYSE | PDS | Tue, Jun 28, 2016 | 99.40 | 102.20 | 99.40 | 100.80 | 2681 | NYSE | PDS | Mon, Jun 27, 2016 | 100.00 | 101.20 | 95.00 | 96.20 | 2680 | NYSE | PDS | Fri, Jun 24, 2016 | 103.60 | 105.30 | 101.00 | 102.00 | 2679 | NYSE | PDS | Thu, Jun 23, 2016 | 106.60 | 108.80 | 105.90 | 108.40 | 2678 | NYSE | PDS | Wed, Jun 22, 2016 | 106.60 | 107.80 | 103.60 | 104.00 | 2677 | NYSE | PDS | Tue, Jun 21, 2016 | 102.20 | 105.80 | 101.30 | 105.80 | 2676 | NYSE | PDS | Mon, Jun 20, 2016 | 104.80 | 108.00 | 103.20 | 103.80 | 2675 | NYSE | PDS | Fri, Jun 17, 2016 | 101.20 | 104.20 | 99.80 | 100.60 | 2674 | NYSE | PDS | Thu, Jun 16, 2016 | 100.00 | 101.00 | 97.00 | 97.80 | 2673 | NYSE | PDS | Wed, Jun 15, 2016 | 100.60 | 105.10 | 99.00 | 102.00 | 2672 | NYSE | PDS | Tue, Jun 14, 2016 | 102.80 | 104.80 | 99.00 | 101.20 | 2671 | NYSE | PDS | Mon, Jun 13, 2016 | 102.00 | 107.00 | 101.40 | 103.00 | 2670 | NYSE | PDS | Fri, Jun 10, 2016 | 110.80 | 111.90 | 102.20 | 102.60 | 2669 | NYSE | PDS | Thu, Jun 9, 2016 | 111.40 | 114.80 | 110.60 | 113.20 | 2668 | NYSE | PDS | Wed, Jun 8, 2016 | 118.00 | 121.60 | 116.00 | 116.20 | 2667 | NYSE | PDS | Tue, Jun 7, 2016 | 107.60 | 116.00 | 107.00 | 114.60 | 2666 | NYSE | PDS | Mon, Jun 6, 2016 | 97.60 | 107.40 | 97.20 | 107.00 | 2665 | NYSE | PDS | Fri, Jun 3, 2016 | 94.40 | 96.60 | 92.80 | 96.40 | 2664 | NYSE | PDS | Thu, Jun 2, 2016 | 88.40 | 93.00 | 88.00 | 92.80 | 2663 | NYSE | PDS | Wed, Jun 1, 2016 | 89.00 | 91.20 | 87.40 | 90.00 | 2662 | NYSE | PDS | Tue, May 31, 2016 | 92.40 | 97.80 | 90.80 | 94.20 | 2661 | NYSE | PDS | Fri, May 27, 2016 | 89.20 | 91.30 | 87.20 | 88.80 | 2660 | NYSE | PDS | Thu, May 26, 2016 | 93.00 | 94.30 | 89.80 | 89.80 | 2659 | NYSE | PDS | Wed, May 25, 2016 | 87.60 | 93.00 | 87.60 | 90.00 | 2658 | NYSE | PDS | Tue, May 24, 2016 | 87.80 | 89.20 | 86.40 | 86.40 | 2657 | NYSE | PDS | Mon, May 23, 2016 | 88.00 | 89.00 | 86.60 | 87.40 | 2656 | NYSE | PDS | Fri, May 20, 2016 | 91.60 | 93.20 | 88.90 | 89.40 | 2655 | NYSE | PDS | Thu, May 19, 2016 | 85.40 | 91.60 | 84.60 | 91.20 | 2654 | NYSE | PDS | Wed, May 18, 2016 | 87.80 | 89.30 | 86.20 | 87.20 | 2653 | NYSE | PDS | Tue, May 17, 2016 | 86.60 | 89.40 | 85.40 | 88.20 | 2652 | NYSE | PDS | Mon, May 16, 2016 | 83.80 | 88.20 | 83.80 | 87.40 | 2651 | NYSE | PDS | Fri, May 13, 2016 | 84.00 | 84.90 | 81.20 | 81.40 | 2650 | NYSE | PDS | Thu, May 12, 2016 | 86.20 | 87.80 | 82.60 | 84.80 | 2649 | NYSE | PDS | Wed, May 11, 2016 | 83.60 | 87.80 | 82.00 | 84.80 | 2648 | NYSE | PDS | Tue, May 10, 2016 | 83.60 | 85.40 | 83.00 | 83.80 | 2647 | NYSE | PDS | Mon, May 9, 2016 | 87.00 | 87.00 | 82.40 | 82.80 | 2646 | NYSE | PDS | Fri, May 6, 2016 | 86.60 | 91.20 | 85.60 | 88.40 | 2645 | NYSE | PDS | Thu, May 5, 2016 | 91.00 | 92.00 | 85.40 | 87.20 | 2644 | NYSE | PDS | Wed, May 4, 2016 | 95.40 | 96.80 | 86.80 | 87.20 | 2643 | NYSE | PDS | Tue, May 3, 2016 | 97.80 | 98.00 | 93.60 | 94.80 | 2642 | NYSE | PDS | Mon, May 2, 2016 | 103.60 | 103.60 | 98.20 | 100.40 | 2641 | NYSE | PDS | Fri, Apr 29, 2016 | 103.80 | 106.20 | 101.00 | 104.00 | 2640 | NYSE | PDS | Thu, Apr 28, 2016 | 100.00 | 105.60 | 99.60 | 102.60 | 2639 | NYSE | PDS | Wed, Apr 27, 2016 | 95.60 | 104.00 | 95.60 | 100.80 | 2638 | NYSE | PDS | Tue, Apr 26, 2016 | 91.40 | 95.20 | 90.20 | 94.40 | 2637 | NYSE | PDS | Mon, Apr 25, 2016 | 95.40 | 96.20 | 87.00 | 89.60 | 2636 | NYSE | PDS | Fri, Apr 22, 2016 | 93.20 | 97.20 | 93.20 | 95.20 | 2635 | NYSE | PDS | Thu, Apr 21, 2016 | 94.60 | 96.20 | 91.20 | 92.40 | 2634 | NYSE | PDS | Wed, Apr 20, 2016 | 94.80 | 96.20 | 92.20 | 94.80 | 2633 | NYSE | PDS | Tue, Apr 19, 2016 | 97.40 | 100.40 | 96.60 | 98.00 | 2632 | NYSE | PDS | Mon, Apr 18, 2016 | 88.20 | 96.80 | 87.20 | 96.40 | 2631 | NYSE | PDS | Fri, Apr 15, 2016 | 93.40 | 94.80 | 90.30 | 93.40 | 2630 | NYSE | PDS | Thu, Apr 14, 2016 | 96.20 | 97.40 | 92.90 | 94.80 | 2629 | NYSE | PDS | Wed, Apr 13, 2016 | 98.40 | 98.40 | 93.80 | 96.00 | 2628 | NYSE | PDS | Tue, Apr 12, 2016 | 90.80 | 99.20 | 90.20 | 98.00 | 2627 | NYSE | PDS | Mon, Apr 11, 2016 | 84.00 | 90.20 | 84.00 | 89.80 | 2626 | NYSE | PDS | Fri, Apr 8, 2016 | 85.00 | 86.50 | 82.80 | 83.00 | 2625 | NYSE | PDS | Thu, Apr 7, 2016 | 82.80 | 85.30 | 80.00 | 81.20 | 2624 | NYSE | PDS | Wed, Apr 6, 2016 | 83.00 | 85.40 | 81.20 | 83.60 | 2623 | NYSE | PDS | Tue, Apr 5, 2016 | 81.00 | 81.00 | 81.00 | 81.40 | 2622 | NYSE | PDS | Mon, Apr 4, 2016 | 82.40 | 84.20 | 80.60 | 81.00 | 2621 | NYSE | PDS | Fri, Apr 1, 2016 | 81.00 | 83.20 | 79.60 | 82.60 | 2620 | NYSE | PDS | Thu, Mar 31, 2016 | 83.60 | 85.40 | 82.50 | 84.00 | 2619 | NYSE | PDS | Wed, Mar 30, 2016 | 85.20 | 89.00 | 83.80 | 84.40 | 2618 | NYSE | PDS | Tue, Mar 29, 2016 | 81.40 | 84.80 | 80.00 | 83.40 | 2617 | NYSE | PDS | Mon, Mar 28, 2016 | 83.20 | 84.80 | 80.57 | 83.20 | 2616 | NYSE | PDS | Thu, Mar 24, 2016 | 83.60 | 83.60 | 83.60 | 83.20 | 2615 | NYSE | PDS | Wed, Mar 23, 2016 | 86.20 | 87.80 | 82.80 | 83.60 | 2614 | NYSE | PDS | Tue, Mar 22, 2016 | 87.00 | 89.00 | 86.00 | 87.40 | 2613 | NYSE | PDS | Mon, Mar 21, 2016 | 88.00 | 91.60 | 87.20 | 89.00 | 2612 | NYSE | PDS | Fri, Mar 18, 2016 | 98.00 | 98.40 | 89.20 | 90.20 | 2611 | NYSE | PDS | Thu, Mar 17, 2016 | 92.60 | 97.80 | 91.90 | 96.60 | 2610 | NYSE | PDS | Wed, Mar 16, 2016 | 87.40 | 91.00 | 86.40 | 91.00 | 2609 | NYSE | PDS | Tue, Mar 15, 2016 | 92.40 | 92.40 | 92.40 | 86.00 | 2608 | NYSE | PDS | Mon, Mar 14, 2016 | 91.60 | 93.20 | 88.00 | 92.40 | 2607 | NYSE | PDS | Fri, Mar 11, 2016 | 89.60 | 97.00 | 87.80 | 93.80 | 2606 | NYSE | PDS | Thu, Mar 10, 2016 | 86.80 | 86.80 | 86.80 | 86.40 | 2605 | NYSE | PDS | Wed, Mar 9, 2016 | 87.80 | 89.60 | 84.00 | 86.80 | 2604 | NYSE | PDS | Tue, Mar 8, 2016 | 93.40 | 93.90 | 85.00 | 87.00 | 2603 | NYSE | PDS | Mon, Mar 7, 2016 | 92.60 | 99.80 | 92.40 | 95.40 | 2602 | NYSE | PDS | Fri, Mar 4, 2016 | 82.60 | 95.00 | 81.10 | 93.40 | 2601 | NYSE | PDS | Thu, Mar 3, 2016 | 72.80 | 72.80 | 72.80 | 82.00 | 2600 | NYSE | PDS | Wed, Mar 2, 2016 | 67.60 | 73.20 | 66.20 | 72.80 | 2599 | NYSE | PDS | Tue, Mar 1, 2016 | 64.20 | 64.20 | 64.20 | 68.20 | 2598 | NYSE | PDS | Mon, Feb 29, 2016 | 65.20 | 67.20 | 62.90 | 64.20 | 2597 | NYSE | PDS | Fri, Feb 26, 2016 | 64.20 | 66.10 | 63.80 | 64.80 | 2596 | NYSE | PDS | Thu, Feb 25, 2016 | 62.40 | 63.20 | 59.80 | 61.60 | 2595 | NYSE | PDS | Wed, Feb 24, 2016 | 59.60 | 63.40 | 58.20 | 62.80 | 2594 | NYSE | PDS | Tue, Feb 23, 2016 | 64.20 | 65.40 | 60.66 | 61.60 | 2593 | NYSE | PDS | Mon, Feb 22, 2016 | 65.60 | 68.20 | 65.00 | 65.20 | 2592 | NYSE | PDS | Fri, Feb 19, 2016 | 62.00 | 63.60 | 60.00 | 63.00 | 2591 | NYSE | PDS | Thu, Feb 18, 2016 | 68.80 | 68.80 | 63.00 | 63.80 | 2590 | NYSE | PDS | Wed, Feb 17, 2016 | 61.40 | 69.00 | 61.40 | 67.00 | 2589 | NYSE | PDS | Tue, Feb 16, 2016 | 58.00 | 61.40 | 57.20 | 60.80 | 2588 | NYSE | PDS | Fri, Feb 12, 2016 | 55.80 | 58.20 | 53.80 | 57.20 | 2587 | NYSE | PDS | Thu, Feb 11, 2016 | 54.20 | 58.60 | 49.00 | 53.60 | 2586 | NYSE | PDS | Wed, Feb 10, 2016 | 57.00 | 59.80 | 54.60 | 54.60 | 2585 | NYSE | PDS | Tue, Feb 9, 2016 | 59.40 | 60.40 | 56.60 | 57.60 | 2584 | NYSE | PDS | Mon, Feb 8, 2016 | 64.20 | 64.20 | 60.40 | 61.60 | 2583 | NYSE | PDS | Fri, Feb 5, 2016 | 64.60 | 66.20 | 62.60 | 65.80 | 2582 | NYSE | PDS | Thu, Feb 4, 2016 | 63.40 | 67.00 | 61.80 | 65.60 | 2581 | NYSE | PDS | Wed, Feb 3, 2016 | 60.40 | 63.00 | 56.52 | 63.00 | 2580 | NYSE | PDS | Tue, Feb 2, 2016 | 58.80 | 59.80 | 57.40 | 59.00 | 2579 | NYSE | PDS | Mon, Feb 1, 2016 | 65.60 | 65.60 | 60.60 | 62.20 | 2578 | NYSE | PDS | Fri, Jan 29, 2016 | 68.40 | 69.90 | 65.40 | 68.00 | 2577 | NYSE | PDS | Thu, Jan 28, 2016 | 69.20 | 70.00 | 64.40 | 68.40 | 2576 | NYSE | PDS | Wed, Jan 27, 2016 | 59.60 | 67.30 | 59.40 | 64.80 | 2575 | NYSE | PDS | Tue, Jan 26, 2016 | 58.80 | 62.00 | 57.80 | 60.00 | 2574 | NYSE | PDS | Mon, Jan 25, 2016 | 60.40 | 63.20 | 57.20 | 57.20 | 2573 | NYSE | PDS | Fri, Jan 22, 2016 | 62.20 | 64.80 | 61.20 | 62.60 | 2572 | NYSE | PDS | Thu, Jan 21, 2016 | 54.00 | 59.90 | 54.00 | 59.00 | 2571 | NYSE | PDS | Wed, Jan 20, 2016 | 51.80 | 55.60 | 48.60 | 54.60 | 2570 | NYSE | PDS | Tue, Jan 19, 2016 | 58.60 | 59.00 | 53.80 | 54.20 | 2569 | NYSE | PDS | Fri, Jan 15, 2016 | 58.20 | 59.80 | 57.00 | 58.40 | 2568 | NYSE | PDS | Thu, Jan 14, 2016 | 60.00 | 62.40 | 56.70 | 62.00 | 2567 | NYSE | PDS | Wed, Jan 13, 2016 | 63.60 | 65.60 | 59.20 | 59.40 | 2566 | NYSE | PDS | Tue, Jan 12, 2016 | 64.80 | 65.60 | 59.00 | 61.60 | 2565 | NYSE | PDS | Mon, Jan 11, 2016 | 65.60 | 66.00 | 61.60 | 63.40 | 2564 | NYSE | PDS | Fri, Jan 8, 2016 | 68.40 | 69.40 | 65.00 | 65.60 | 2563 | NYSE | PDS | Thu, Jan 7, 2016 | 70.80 | 71.60 | 67.60 | 67.80 | 2562 | NYSE | PDS | Wed, Jan 6, 2016 | 74.60 | 76.40 | 72.00 | 72.00 | 2561 | NYSE | PDS | Tue, Jan 5, 2016 | 78.60 | 79.20 | 76.60 | 77.60 | 2560 | NYSE | PDS | Mon, Jan 4, 2016 | 78.60 | 80.80 | 76.80 | 79.00 | 2559 | NYSE | PDS | Thu, Dec 31, 2015 | 75.80 | 79.60 | 75.60 | 78.80 | 2558 | NYSE | PDS | Wed, Dec 30, 2015 | 77.80 | 80.00 | 75.80 | 75.80 | 2557 | NYSE | PDS | Tue, Dec 29, 2015 | 80.80 | 82.80 | 79.10 | 80.80 | 2556 | NYSE | PDS | Mon, Dec 28, 2015 | 80.40 | 81.90 | 78.20 | 78.20 | 2555 | NYSE | PDS | Thu, Dec 24, 2015 | 83.60 | 85.20 | 82.20 | 82.20 | 2554 | NYSE | PDS | Wed, Dec 23, 2015 | 78.80 | 83.80 | 78.60 | 83.80 | 2553 | NYSE | PDS | Tue, Dec 22, 2015 | 74.40 | 76.80 | 73.80 | 76.60 | 2552 | NYSE | PDS | Mon, Dec 21, 2015 | 75.40 | 75.60 | 72.70 | 74.20 | 2551 | NYSE | PDS | Fri, Dec 18, 2015 | 72.20 | 75.80 | 72.00 | 75.20 | 2550 | NYSE | PDS | Thu, Dec 17, 2015 | 74.40 | 75.00 | 71.80 | 72.40 | 2549 | NYSE | PDS | Wed, Dec 16, 2015 | 74.00 | 77.00 | 72.80 | 75.20 | 2548 | NYSE | PDS | Tue, Dec 15, 2015 | 73.20 | 76.50 | 73.20 | 74.40 | 2547 | NYSE | PDS | Mon, Dec 14, 2015 | 71.40 | 73.60 | 70.60 | 72.00 | 2546 | NYSE | PDS | Fri, Dec 11, 2015 | 72.20 | 73.00 | 70.65 | 72.20 | 2545 | NYSE | PDS | Thu, Dec 10, 2015 | 70.40 | 75.00 | 69.60 | 74.00 | 2544 | NYSE | PDS | Wed, Dec 9, 2015 | 69.00 | 72.20 | 67.00 | 70.60 | 2543 | NYSE | PDS | Tue, Dec 8, 2015 | 66.40 | 69.80 | 65.50 | 68.40 | 2542 | NYSE | PDS | Mon, Dec 7, 2015 | 71.00 | 71.40 | 67.40 | 68.00 | 2541 | NYSE | PDS | Fri, Dec 4, 2015 | 76.00 | 77.50 | 72.60 | 73.00 | 2540 | NYSE | PDS | Thu, Dec 3, 2015 | 80.20 | 81.60 | 77.20 | 77.60 | 2539 | NYSE | PDS | Wed, Dec 2, 2015 | 83.60 | 85.00 | 78.40 | 78.80 | 2538 | NYSE | PDS | Tue, Dec 1, 2015 | 86.20 | 88.00 | 84.20 | 84.80 | 2537 | NYSE | PDS | Mon, Nov 30, 2015 | 85.40 | 87.80 | 84.20 | 86.20 | 2536 | NYSE | PDS | Fri, Nov 27, 2015 | 86.20 | 87.60 | 84.50 | 85.00 | 2535 | NYSE | PDS | Wed, Nov 25, 2015 | 85.80 | 90.40 | 84.80 | 87.40 | 2534 | NYSE | PDS | Tue, Nov 24, 2015 | 81.40 | 89.00 | 81.20 | 88.40 | 2533 | NYSE | PDS | Mon, Nov 23, 2015 | 75.60 | 80.20 | 75.60 | 79.80 | 2532 | NYSE | PDS | Fri, Nov 20, 2015 | 76.80 | 77.80 | 74.10 | 76.00 | 2531 | NYSE | PDS | Thu, Nov 19, 2015 | 80.00 | 81.70 | 76.80 | 76.80 | 2530 | NYSE | PDS | Wed, Nov 18, 2015 | 80.80 | 82.80 | 79.80 | 80.80 | 2529 | NYSE | PDS | Tue, Nov 17, 2015 | 80.00 | 81.80 | 77.80 | 79.80 | 2528 | NYSE | PDS | Mon, Nov 16, 2015 | 76.60 | 80.60 | 76.20 | 80.40 | 2527 | NYSE | PDS | Fri, Nov 13, 2015 | 76.60 | 78.00 | 74.40 | 77.00 | 2526 | NYSE | PDS | Thu, Nov 12, 2015 | 76.80 | 80.40 | 76.00 | 77.20 | 2525 | NYSE | PDS | Wed, Nov 11, 2015 | 81.20 | 81.80 | 77.80 | 79.00 | 2524 | NYSE | PDS | Tue, Nov 10, 2015 | 82.20 | 83.80 | 80.40 | 81.40 | 2523 | NYSE | PDS | Mon, Nov 9, 2015 | 82.60 | 84.80 | 80.42 | 82.60 | 2522 | NYSE | PDS | Fri, Nov 6, 2015 | 81.40 | 83.60 | 79.20 | 82.80 | 2521 | NYSE | PDS | Thu, Nov 5, 2015 | 83.80 | 85.60 | 81.60 | 82.60 | 2520 | NYSE | PDS | Wed, Nov 4, 2015 | 84.60 | 86.00 | 82.00 | 84.00 | 2519 | NYSE | PDS | Tue, Nov 3, 2015 | 81.40 | 86.80 | 81.40 | 86.80 | 2518 | NYSE | PDS | Mon, Nov 2, 2015 | 78.60 | 81.20 | 78.60 | 80.60 | 2517 | NYSE | PDS | Fri, Oct 30, 2015 | 77.00 | 80.00 | 74.80 | 79.00 | 2516 | NYSE | PDS | Thu, Oct 29, 2015 | 80.00 | 81.80 | 75.80 | 75.80 | 2515 | NYSE | PDS | Wed, Oct 28, 2015 | 77.60 | 83.30 | 76.60 | 80.00 | 2514 | NYSE | PDS | Tue, Oct 27, 2015 | 76.40 | 77.60 | 74.40 | 76.20 | 2513 | NYSE | PDS | Mon, Oct 26, 2015 | 84.60 | 84.60 | 78.30 | 78.60 | 2512 | NYSE | PDS | Fri, Oct 23, 2015 | 91.80 | 92.00 | 85.00 | 85.60 | 2511 | NYSE | PDS | Thu, Oct 22, 2015 | 90.00 | 95.80 | 89.60 | 92.40 | 2510 | NYSE | PDS | Wed, Oct 21, 2015 | 90.60 | 91.60 | 87.80 | 89.20 | 2509 | NYSE | PDS | Tue, Oct 20, 2015 | 88.60 | 93.20 | 88.20 | 92.00 | 2508 | NYSE | PDS | Mon, Oct 19, 2015 | 91.40 | 93.10 | 88.00 | 88.40 | 2507 | NYSE | PDS | Fri, Oct 16, 2015 | 98.40 | 99.50 | 91.00 | 93.40 | 2506 | NYSE | PDS | Thu, Oct 15, 2015 | 96.80 | 99.80 | 94.00 | 98.60 | 2505 | NYSE | PDS | Wed, Oct 14, 2015 | 95.40 | 97.80 | 94.20 | 97.60 | 2504 | NYSE | PDS | Tue, Oct 13, 2015 | 95.60 | 100.00 | 93.60 | 95.40 | 2503 | NYSE | PDS | Mon, Oct 12, 2015 | 101.60 | 102.00 | 94.40 | 96.40 | 2502 | NYSE | PDS | Fri, Oct 9, 2015 | 104.20 | 105.60 | 98.60 | 101.80 | 2501 | NYSE | PDS | Thu, Oct 8, 2015 | 103.00 | 106.20 | 97.90 | 105.00 | 2500 | NYSE | PDS | Wed, Oct 7, 2015 | 98.60 | 104.40 | 95.40 | 104.00 | 2499 | NYSE | PDS | Tue, Oct 6, 2015 | 85.60 | 97.00 | 84.80 | 96.20 | 2498 | NYSE | PDS | Mon, Oct 5, 2015 | 80.40 | 85.50 | 78.80 | 84.80 | 2497 | NYSE | PDS | Fri, Oct 2, 2015 | 70.80 | 79.20 | 70.20 | 79.00 | 2496 | NYSE | PDS | Thu, Oct 1, 2015 | 76.60 | 79.20 | 71.00 | 71.20 | 2495 | NYSE | PDS | Wed, Sep 30, 2015 | 72.40 | 75.20 | 71.40 | 74.40 | 2494 | NYSE | PDS | Tue, Sep 29, 2015 | 71.40 | 74.00 | 69.70 | 71.80 | 2493 | NYSE | PDS | Mon, Sep 28, 2015 | 71.80 | 72.00 | 69.80 | 70.60 | 2492 | NYSE | PDS | Fri, Sep 25, 2015 | 74.20 | 74.60 | 71.60 | 73.00 | 2491 | NYSE | PDS | Thu, Sep 24, 2015 | 73.60 | 75.10 | 72.40 | 73.60 | 2490 | NYSE | PDS | Wed, Sep 23, 2015 | 76.00 | 76.80 | 74.00 | 74.20 | 2489 | NYSE | PDS | Tue, Sep 22, 2015 | 76.20 | 77.90 | 74.20 | 75.40 | 2488 | NYSE | PDS | Mon, Sep 21, 2015 | 81.20 | 81.40 | 77.20 | 77.40 | 2487 | NYSE | PDS | Fri, Sep 18, 2015 | 84.00 | 84.30 | 79.00 | 79.00 | 2486 | NYSE | PDS | Thu, Sep 17, 2015 | 86.20 | 89.40 | 84.50 | 86.00 | 2485 | NYSE | PDS | Wed, Sep 16, 2015 | 85.40 | 90.80 | 85.40 | 86.80 | 2484 | NYSE | PDS | Tue, Sep 15, 2015 | 81.60 | 85.30 | 80.60 | 84.20 | 2483 | NYSE | PDS | Mon, Sep 14, 2015 | 81.80 | 82.40 | 79.40 | 81.00 | 2482 | NYSE | PDS | Fri, Sep 11, 2015 | 82.60 | 83.80 | 80.40 | 82.20 | 2481 | NYSE | PDS | Thu, Sep 10, 2015 | 82.80 | 85.60 | 81.20 | 84.60 | 2480 | NYSE | PDS | Wed, Sep 9, 2015 | 87.40 | 90.60 | 81.80 | 81.80 | 2479 | NYSE | PDS | Tue, Sep 8, 2015 | 91.40 | 92.00 | 87.20 | 88.40 | 2478 | NYSE | PDS | Fri, Sep 4, 2015 | 90.40 | 91.40 | 87.80 | 88.00 | 2477 | NYSE | PDS | Thu, Sep 3, 2015 | 89.20 | 94.06 | 87.90 | 92.40 | 2476 | NYSE | PDS | Wed, Sep 2, 2015 | 96.00 | 96.40 | 86.50 | 89.20 | 2475 | NYSE | PDS | Tue, Sep 1, 2015 | 92.60 | 96.90 | 91.20 | 94.00 | 2474 | NYSE | PDS | Mon, Aug 31, 2015 | 93.20 | 97.80 | 88.20 | 96.20 | 2473 | NYSE | PDS | Fri, Aug 28, 2015 | 88.80 | 96.94 | 87.20 | 95.20 | 2472 | NYSE | PDS | Thu, Aug 27, 2015 | 85.00 | 89.80 | 83.60 | 89.20 | 2471 | NYSE | PDS | Wed, Aug 26, 2015 | 83.60 | 83.80 | 80.10 | 82.40 | 2470 | NYSE | PDS | Tue, Aug 25, 2015 | 85.40 | 86.40 | 80.60 | 81.00 | 2469 | NYSE | PDS | Mon, Aug 24, 2015 | 77.80 | 84.40 | 76.60 | 79.80 | 2468 | NYSE | PDS | Fri, Aug 21, 2015 | 84.00 | 87.20 | 81.60 | 83.20 | 2467 | NYSE | PDS | Thu, Aug 20, 2015 | 88.80 | 90.00 | 84.20 | 84.80 | 2466 | NYSE | PDS | Wed, Aug 19, 2015 | 90.80 | 93.20 | 87.20 | 88.40 | 2465 | NYSE | PDS | Tue, Aug 18, 2015 | 90.80 | 93.00 | 89.40 | 92.00 | 2464 | NYSE | PDS | Mon, Aug 17, 2015 | 93.00 | 93.20 | 89.80 | 91.20 | 2463 | NYSE | PDS | Fri, Aug 14, 2015 | 97.60 | 100.00 | 93.00 | 93.40 | 2462 | NYSE | PDS | Thu, Aug 13, 2015 | 105.40 | 106.00 | 97.20 | 97.40 | 2461 | NYSE | PDS | Wed, Aug 12, 2015 | 104.80 | 108.00 | 103.60 | 107.20 | 2460 | NYSE | PDS | Tue, Aug 11, 2015 | 103.40 | 105.60 | 101.30 | 104.80 | 2459 | NYSE | PDS | Mon, Aug 10, 2015 | 100.80 | 107.00 | 99.20 | 106.40 | 2458 | NYSE | PDS | Fri, Aug 7, 2015 | 106.60 | 109.40 | 100.20 | 100.80 | 2457 | NYSE | PDS | Thu, Aug 6, 2015 | 97.80 | 108.80 | 96.40 | 107.40 | 2456 | NYSE | PDS | Wed, Aug 5, 2015 | 102.60 | 104.90 | 99.20 | 99.20 | 2455 | NYSE | PDS | Tue, Aug 4, 2015 | 101.00 | 102.80 | 99.50 | 101.20 | 2454 | NYSE | PDS | Mon, Aug 3, 2015 | 99.80 | 103.70 | 98.00 | 99.20 | 2453 | NYSE | PDS | Fri, Jul 31, 2015 | 105.00 | 105.60 | 101.20 | 101.80 | 2452 | NYSE | PDS | Thu, Jul 30, 2015 | 105.60 | 107.20 | 102.99 | 105.00 | 2451 | NYSE | PDS | Wed, Jul 29, 2015 | 98.60 | 105.60 | 98.20 | 104.80 | 2450 | NYSE | PDS | Tue, Jul 28, 2015 | 97.20 | 101.20 | 94.80 | 98.40 | 2449 | NYSE | PDS | Mon, Jul 27, 2015 | 95.00 | 97.80 | 93.40 | 94.40 | 2448 | NYSE | PDS | Fri, Jul 24, 2015 | 106.20 | 106.80 | 96.00 | 96.20 | 2447 | NYSE | PDS | Thu, Jul 23, 2015 | 106.00 | 109.80 | 101.60 | 101.60 | 2446 | NYSE | PDS | Wed, Jul 22, 2015 | 106.40 | 106.80 | 101.80 | 102.60 | 2445 | NYSE | PDS | Tue, Jul 21, 2015 | 105.40 | 110.10 | 105.00 | 107.80 | 2444 | NYSE | PDS | Mon, Jul 20, 2015 | 106.60 | 107.40 | 103.60 | 104.20 | 2443 | NYSE | PDS | Fri, Jul 17, 2015 | 112.40 | 112.40 | 106.60 | 106.80 | 2442 | NYSE | PDS | Thu, Jul 16, 2015 | 115.00 | 116.00 | 111.20 | 112.80 | 2441 | NYSE | PDS | Wed, Jul 15, 2015 | 119.80 | 121.10 | 113.60 | 114.00 | 2440 | NYSE | PDS | Tue, Jul 14, 2015 | 114.80 | 121.40 | 114.20 | 121.20 | 2439 | NYSE | PDS | Mon, Jul 13, 2015 | 115.60 | 116.90 | 113.80 | 115.00 | 2438 | NYSE | PDS | Fri, Jul 10, 2015 | 118.40 | 119.40 | 115.20 | 115.80 | 2437 | NYSE | PDS | Thu, Jul 9, 2015 | 118.80 | 121.00 | 116.90 | 117.40 | 2436 | NYSE | PDS | Wed, Jul 8, 2015 | 117.60 | 120.00 | 115.40 | 115.60 | 2435 | NYSE | PDS | Tue, Jul 7, 2015 | 119.40 | 119.80 | 112.60 | 119.00 | 2434 | NYSE | PDS | Mon, Jul 6, 2015 | 126.20 | 126.40 | 119.60 | 120.00 | 2433 | NYSE | PDS | Thu, Jul 2, 2015 | 129.60 | 131.40 | 127.60 | 129.00 | 2432 | NYSE | PDS | Wed, Jul 1, 2015 | 133.60 | 133.60 | 125.20 | 126.80 | 2431 | NYSE | PDS | Tue, Jun 30, 2015 | 134.40 | 135.40 | 132.20 | 134.40 | 2430 | NYSE | PDS | Mon, Jun 29, 2015 | 132.60 | 134.80 | 130.80 | 133.60 | 2429 | NYSE | PDS | Fri, Jun 26, 2015 | 133.40 | 135.40 | 133.00 | 134.80 | 2428 | NYSE | PDS | Thu, Jun 25, 2015 | 135.20 | 136.00 | 133.60 | 134.00 | 2427 | NYSE | PDS | Wed, Jun 24, 2015 | 136.80 | 139.08 | 134.80 | 135.00 | 2426 | NYSE | PDS | Tue, Jun 23, 2015 | 134.00 | 138.20 | 133.60 | 137.60 | 2425 | NYSE | PDS | Mon, Jun 22, 2015 | 135.00 | 137.60 | 133.80 | 135.40 | 2424 | NYSE | PDS | Fri, Jun 19, 2015 | 136.80 | 139.40 | 134.40 | 135.00 | 2423 | NYSE | PDS | Thu, Jun 18, 2015 | 143.00 | 143.20 | 137.40 | 138.20 | 2422 | NYSE | PDS | Wed, Jun 17, 2015 | 142.20 | 145.60 | 140.60 | 141.80 | 2421 | NYSE | PDS | Tue, Jun 16, 2015 | 139.40 | 142.20 | 139.20 | 140.40 | 2420 | NYSE | PDS | Mon, Jun 15, 2015 | 138.00 | 141.40 | 136.80 | 139.80 | 2419 | NYSE | PDS | Fri, Jun 12, 2015 | 138.20 | 141.20 | 136.60 | 140.20 | 2418 | NYSE | PDS | Thu, Jun 11, 2015 | 142.80 | 142.80 | 139.60 | 139.80 | 2417 | NYSE | PDS | Wed, Jun 10, 2015 | 141.60 | 144.40 | 140.40 | 142.80 | 2416 | NYSE | PDS | Tue, Jun 9, 2015 | 139.40 | 142.00 | 138.60 | 138.60 | 2415 | NYSE | PDS | Mon, Jun 8, 2015 | 139.40 | 141.40 | 135.60 | 137.00 | 2414 | NYSE | PDS | Fri, Jun 5, 2015 | 132.80 | 141.10 | 132.10 | 139.60 | 2413 | NYSE | PDS | Thu, Jun 4, 2015 | 137.40 | 137.60 | 133.40 | 134.20 | 2412 | NYSE | PDS | Wed, Jun 3, 2015 | 137.60 | 140.40 | 136.60 | 139.20 | 2411 | NYSE | PDS | Tue, Jun 2, 2015 | 132.00 | 140.00 | 131.60 | 139.20 | 2410 | NYSE | PDS | Mon, Jun 1, 2015 | 132.20 | 132.80 | 128.40 | 130.40 | 2409 | NYSE | PDS | Fri, May 29, 2015 | 133.00 | 133.70 | 131.10 | 132.20 | 2408 | NYSE | PDS | Thu, May 28, 2015 | 131.60 | 133.40 | 129.60 | 133.40 | 2407 | NYSE | PDS | Wed, May 27, 2015 | 133.00 | 135.00 | 131.80 | 132.80 | 2406 | NYSE | PDS | Tue, May 26, 2015 | 139.40 | 141.00 | 133.00 | 133.80 | 2405 | NYSE | PDS | Fri, May 22, 2015 | 143.80 | 146.60 | 141.00 | 142.20 | 2404 | NYSE | PDS | Thu, May 21, 2015 | 141.00 | 147.40 | 141.00 | 146.80 | 2403 | NYSE | PDS | Wed, May 20, 2015 | 136.00 | 141.40 | 135.60 | 140.00 | 2402 | NYSE | PDS | Tue, May 19, 2015 | 136.80 | 137.80 | 133.50 | 135.40 | 2401 | NYSE | PDS | Mon, May 18, 2015 | 140.00 | 140.50 | 137.50 | 140.20 | 2400 | NYSE | PDS | Fri, May 15, 2015 | 136.00 | 140.60 | 135.00 | 140.20 | 2399 | NYSE | PDS | Thu, May 14, 2015 | 141.60 | 142.40 | 137.40 | 137.80 | 2398 | NYSE | PDS | Wed, May 13, 2015 | 143.40 | 144.00 | 138.70 | 141.00 | 2397 | NYSE | PDS | Tue, May 12, 2015 | 136.00 | 142.40 | 134.40 | 141.80 | 2396 | NYSE | PDS | Mon, May 11, 2015 | 139.20 | 139.40 | 134.60 | 135.60 | 2395 | NYSE | PDS | Fri, May 8, 2015 | 138.20 | 140.80 | 134.20 | 138.60 | 2394 | NYSE | PDS | Thu, May 7, 2015 | 144.60 | 144.60 | 135.20 | 136.40 | 2393 | NYSE | PDS | Wed, May 6, 2015 | 153.60 | 154.00 | 143.60 | 145.20 | 2392 | NYSE | PDS | Tue, May 5, 2015 | 153.00 | 156.00 | 148.80 | 151.40 | 2391 | NYSE | PDS | Mon, May 4, 2015 | 148.00 | 152.10 | 146.90 | 151.20 | 2390 | NYSE | PDS | Fri, May 1, 2015 | 144.00 | 148.20 | 141.30 | 148.00 | 2389 | NYSE | PDS | Thu, Apr 30, 2015 | 143.60 | 146.20 | 140.30 | 145.40 | 2388 | NYSE | PDS | Wed, Apr 29, 2015 | 137.80 | 146.00 | 137.40 | 143.80 | 2387 | NYSE | PDS | Tue, Apr 28, 2015 | 137.00 | 140.40 | 136.40 | 138.60 | 2386 | NYSE | PDS | Mon, Apr 27, 2015 | 140.60 | 141.50 | 136.00 | 137.40 | 2385 | NYSE | PDS | Fri, Apr 24, 2015 | 138.20 | 140.20 | 136.20 | 137.00 | 2384 | NYSE | PDS | Thu, Apr 23, 2015 | 136.00 | 141.00 | 135.60 | 138.40 | 2383 | NYSE | PDS | Wed, Apr 22, 2015 | 135.00 | 138.00 | 133.00 | 135.60 | 2382 | NYSE | PDS | Tue, Apr 21, 2015 | 138.00 | 138.80 | 132.20 | 134.00 | 2381 | NYSE | PDS | Mon, Apr 20, 2015 | 141.00 | 144.40 | 138.20 | 138.80 | 2380 | NYSE | PDS | Fri, Apr 17, 2015 | 142.00 | 143.60 | 138.40 | 140.80 | 2379 | NYSE | PDS | Thu, Apr 16, 2015 | 148.00 | 148.60 | 141.20 | 142.00 | 2378 | NYSE | PDS | Wed, Apr 15, 2015 | 146.20 | 152.40 | 145.80 | 147.80 | 2377 | NYSE | PDS | Tue, Apr 14, 2015 | 141.40 | 147.00 | 141.00 | 145.40 | 2376 | NYSE | PDS | Mon, Apr 13, 2015 | 138.80 | 141.20 | 136.40 | 139.60 | 2375 | NYSE | PDS | Fri, Apr 10, 2015 | 137.60 | 140.40 | 136.80 | 138.80 | 2374 | NYSE | PDS | Thu, Apr 9, 2015 | 134.20 | 138.40 | 133.60 | 137.00 | 2373 | NYSE | PDS | Wed, Apr 8, 2015 | 139.20 | 140.40 | 129.80 | 133.40 | 2372 | NYSE | PDS | Tue, Apr 7, 2015 | 138.60 | 143.80 | 138.20 | 139.00 | 2371 | NYSE | PDS | Mon, Apr 6, 2015 | 133.40 | 139.60 | 133.20 | 139.60 | 2370 | NYSE | PDS | Thu, Apr 2, 2015 | 129.40 | 135.80 | 128.80 | 131.40 | 2369 | NYSE | PDS | Wed, Apr 1, 2015 | 127.40 | 131.80 | 126.80 | 130.40 | 2368 | NYSE | PDS | Tue, Mar 31, 2015 | 122.40 | 128.00 | 122.00 | 126.80 | 2367 | NYSE | PDS | Mon, Mar 30, 2015 | 124.20 | 126.20 | 121.80 | 124.00 | 2366 | NYSE | PDS | Fri, Mar 27, 2015 | 125.60 | 127.00 | 122.40 | 124.20 | 2365 | NYSE | PDS | Thu, Mar 26, 2015 | 128.80 | 132.30 | 128.00 | 129.00 | 2364 | NYSE | PDS | Wed, Mar 25, 2015 | 125.80 | 128.20 | 123.20 | 126.80 | 2363 | NYSE | PDS | Tue, Mar 24, 2015 | 123.40 | 127.20 | 122.80 | 124.40 | 2362 | NYSE | PDS | Mon, Mar 23, 2015 | 118.20 | 126.00 | 118.20 | 122.80 | 2361 | NYSE | PDS | Fri, Mar 20, 2015 | 116.20 | 118.60 | 115.00 | 117.80 | 2360 | NYSE | PDS | Thu, Mar 19, 2015 | 114.00 | 116.60 | 113.20 | 113.20 | 2359 | NYSE | PDS | Wed, Mar 18, 2015 | 109.40 | 118.80 | 107.10 | 118.20 | 2358 | NYSE | PDS | Tue, Mar 17, 2015 | 107.40 | 112.00 | 106.20 | 110.80 | 2357 | NYSE | PDS | Mon, Mar 16, 2015 | 114.20 | 114.20 | 107.80 | 109.80 | 2356 | NYSE | PDS | Fri, Mar 13, 2015 | 118.60 | 119.60 | 112.00 | 116.20 | 2355 | NYSE | PDS | Thu, Mar 12, 2015 | 121.00 | 122.00 | 119.40 | 120.00 | 2354 | NYSE | PDS | Wed, Mar 11, 2015 | 119.00 | 122.00 | 117.40 | 120.40 | 2353 | NYSE | PDS | Tue, Mar 10, 2015 | 119.00 | 120.60 | 117.40 | 119.40 | 2352 | NYSE | PDS | Mon, Mar 9, 2015 | 121.40 | 122.42 | 118.60 | 121.20 | 2351 | NYSE | PDS | Fri, Mar 6, 2015 | 119.40 | 123.60 | 119.40 | 122.60 | 2350 | NYSE | PDS | Thu, Mar 5, 2015 | 120.20 | 122.60 | 118.38 | 121.60 | 2349 | NYSE | PDS | Wed, Mar 4, 2015 | 121.60 | 122.20 | 118.20 | 121.80 | 2348 | NYSE | PDS | Tue, Mar 3, 2015 | 118.40 | 122.20 | 117.20 | 121.00 | 2347 | NYSE | PDS | Mon, Mar 2, 2015 | 121.20 | 122.00 | 115.00 | 118.40 | 2346 | NYSE | PDS | Fri, Feb 27, 2015 | 122.40 | 123.16 | 120.00 | 121.80 | 2345 | NYSE | PDS | Thu, Feb 26, 2015 | 123.60 | 124.80 | 120.60 | 121.60 | 2344 | NYSE | PDS | Wed, Feb 25, 2015 | 122.00 | 125.80 | 117.81 | 125.40 | 2343 | NYSE | PDS | Tue, Feb 24, 2015 | 121.00 | 122.60 | 119.20 | 121.20 | 2342 | NYSE | PDS | Mon, Feb 23, 2015 | 123.00 | 123.20 | 118.40 | 120.20 | 2341 | NYSE | PDS | Fri, Feb 20, 2015 | 125.80 | 129.60 | 123.40 | 125.80 | 2340 | NYSE | PDS | Thu, Feb 19, 2015 | 121.20 | 127.00 | 117.40 | 126.20 | 2339 | NYSE | PDS | Wed, Feb 18, 2015 | 121.00 | 128.00 | 120.20 | 128.00 | 2338 | NYSE | PDS | Tue, Feb 17, 2015 | 120.60 | 126.40 | 117.20 | 126.20 | 2337 | NYSE | PDS | Fri, Feb 13, 2015 | 122.20 | 122.40 | 118.00 | 120.80 | 2336 | NYSE | PDS | Thu, Feb 12, 2015 | 117.80 | 123.40 | 114.50 | 118.40 | 2335 | NYSE | PDS | Wed, Feb 11, 2015 | 112.80 | 116.40 | 109.20 | 113.20 | 2334 | NYSE | PDS | Tue, Feb 10, 2015 | 123.20 | 126.00 | 113.00 | 114.60 | 2333 | NYSE | PDS | Mon, Feb 9, 2015 | 118.20 | 127.40 | 116.80 | 125.80 | 2332 | NYSE | PDS | Fri, Feb 6, 2015 | 117.60 | 120.80 | 116.20 | 116.40 | 2331 | NYSE | PDS | Thu, Feb 5, 2015 | 112.20 | 116.20 | 110.50 | 115.80 | 2330 | NYSE | PDS | Wed, Feb 4, 2015 | 112.60 | 113.00 | 107.20 | 110.00 | 2329 | NYSE | PDS | Tue, Feb 3, 2015 | 107.60 | 117.60 | 107.40 | 115.20 | 2328 | NYSE | PDS | Mon, Feb 2, 2015 | 104.00 | 106.40 | 99.00 | 105.20 | 2327 | NYSE | PDS | Fri, Jan 30, 2015 | 93.80 | 103.00 | 93.60 | 102.00 | 2326 | NYSE | PDS | Thu, Jan 29, 2015 | 98.00 | 98.20 | 90.60 | 95.20 | 2325 | NYSE | PDS | Wed, Jan 28, 2015 | 108.60 | 108.80 | 96.00 | 96.60 | 2324 | NYSE | PDS | Tue, Jan 27, 2015 | 106.60 | 110.90 | 105.20 | 110.40 | 2323 | NYSE | PDS | Mon, Jan 26, 2015 | 106.60 | 109.20 | 105.00 | 107.60 | 2322 | NYSE | PDS | Fri, Jan 23, 2015 | 104.60 | 111.60 | 103.40 | 106.20 | 2321 | NYSE | PDS | Thu, Jan 22, 2015 | 104.40 | 106.40 | 101.28 | 104.60 | 2320 | NYSE | PDS | Wed, Jan 21, 2015 | 104.40 | 108.60 | 102.70 | 103.60 | 2319 | NYSE | PDS | Tue, Jan 20, 2015 | 102.40 | 106.20 | 96.42 | 102.60 | 2318 | NYSE | PDS | Fri, Jan 16, 2015 | 98.80 | 108.00 | 98.00 | 107.20 | 2317 | NYSE | PDS | Thu, Jan 15, 2015 | 102.20 | 103.00 | 97.40 | 97.80 | 2316 | NYSE | PDS | Wed, Jan 14, 2015 | 98.80 | 101.40 | 95.00 | 99.80 | 2315 | NYSE | PDS | Tue, Jan 13, 2015 | 99.00 | 100.90 | 98.30 | 99.60 | 2314 | NYSE | PDS | Mon, Jan 12, 2015 | 101.40 | 101.60 | 97.60 | 98.80 | 2313 | NYSE | PDS | Fri, Jan 9, 2015 | 104.20 | 106.40 | 101.20 | 103.40 | 2312 | NYSE | PDS | Thu, Jan 8, 2015 | 102.40 | 107.20 | 101.00 | 103.60 | 2311 | NYSE | PDS | Wed, Jan 7, 2015 | 105.20 | 106.20 | 99.00 | 101.20 | 2310 | NYSE | PDS | Tue, Jan 6, 2015 | 108.20 | 110.80 | 103.02 | 103.60 | 2309 | NYSE | PDS | Mon, Jan 5, 2015 | 118.60 | 118.60 | 107.00 | 109.40 | 2308 | NYSE | PDS | Fri, Jan 2, 2015 | 120.40 | 123.00 | 117.20 | 120.80 | 2307 | NYSE | PDS | Wed, Dec 31, 2014 | 121.60 | 122.80 | 117.20 | 121.20 | 2306 | NYSE | PDS | Tue, Dec 30, 2014 | 121.60 | 123.70 | 118.60 | 122.00 | 2305 | NYSE | PDS | Mon, Dec 29, 2014 | 123.60 | 127.60 | 122.00 | 122.80 | 2304 | NYSE | PDS | Fri, Dec 26, 2014 | 125.20 | 126.60 | 121.20 | 121.80 | 2303 | NYSE | PDS | Wed, Dec 24, 2014 | 124.40 | 124.40 | 119.20 | 124.00 | 2302 | NYSE | PDS | Tue, Dec 23, 2014 | 125.80 | 128.00 | 124.00 | 125.20 | 2301 | NYSE | PDS | Mon, Dec 22, 2014 | 136.40 | 137.20 | 122.60 | 124.00 | 2300 | NYSE | PDS | Fri, Dec 19, 2014 | 126.60 | 138.20 | 124.40 | 136.80 | 2299 | NYSE | PDS | Thu, Dec 18, 2014 | 130.00 | 132.40 | 121.20 | 124.80 | 2298 | NYSE | PDS | Wed, Dec 17, 2014 | 112.40 | 128.60 | 111.40 | 124.40 | 2297 | NYSE | PDS | Tue, Dec 16, 2014 | 106.20 | 117.60 | 105.40 | 111.40 | 2296 | NYSE | PDS | Mon, Dec 15, 2014 | 108.20 | 111.80 | 106.60 | 107.00 | 2295 | NYSE | PDS | Fri, Dec 12, 2014 | 107.60 | 111.20 | 105.60 | 107.80 | 2294 | NYSE | PDS | Thu, Dec 11, 2014 | 109.80 | 113.80 | 108.40 | 109.20 | 2293 | NYSE | PDS | Wed, Dec 10, 2014 | 113.00 | 113.20 | 108.00 | 109.60 | 2292 | NYSE | PDS | Tue, Dec 9, 2014 | 109.20 | 116.80 | 109.20 | 114.80 | 2291 | NYSE | PDS | Mon, Dec 8, 2014 | 117.00 | 117.00 | 107.40 | 110.80 | 2290 | NYSE | PDS | Fri, Dec 5, 2014 | 119.60 | 123.20 | 118.00 | 119.60 | 2289 | NYSE | PDS | Thu, Dec 4, 2014 | 124.40 | 124.60 | 118.80 | 119.60 | 2288 | NYSE | PDS | Wed, Dec 3, 2014 | 126.20 | 133.20 | 126.00 | 128.60 | 2287 | NYSE | PDS | Tue, Dec 2, 2014 | 127.80 | 136.80 | 125.60 | 125.60 | 2286 | NYSE | PDS | Mon, Dec 1, 2014 | 128.60 | 130.30 | 123.00 | 129.00 | 2285 | NYSE | PDS | Fri, Nov 28, 2014 | 132.20 | 135.60 | 121.60 | 128.80 | 2284 | NYSE | PDS | Wed, Nov 26, 2014 | 155.40 | 155.40 | 149.20 | 150.60 | 2283 | NYSE | PDS | Tue, Nov 25, 2014 | 160.80 | 161.60 | 154.60 | 156.20 | 2282 | NYSE | PDS | Mon, Nov 24, 2014 | 163.60 | 163.60 | 158.20 | 159.20 | 2281 | NYSE | PDS | Fri, Nov 21, 2014 | 160.60 | 164.58 | 159.10 | 162.60 | 2280 | NYSE | PDS | Thu, Nov 20, 2014 | 151.00 | 157.40 | 150.40 | 156.80 | 2279 | NYSE | PDS | Wed, Nov 19, 2014 | 152.80 | 153.20 | 145.80 | 151.80 | 2278 | NYSE | PDS | Tue, Nov 18, 2014 | 153.40 | 155.60 | 152.00 | 153.00 | 2277 | NYSE | PDS | Mon, Nov 17, 2014 | 156.60 | 159.70 | 153.80 | 157.20 | 2276 | NYSE | PDS | Fri, Nov 14, 2014 | 155.00 | 159.40 | 152.80 | 157.60 | 2275 | NYSE | PDS | Thu, Nov 13, 2014 | 158.40 | 158.80 | 152.40 | 152.60 | 2274 | NYSE | PDS | Wed, Nov 12, 2014 | 157.00 | 163.60 | 155.20 | 159.00 | 2273 | NYSE | PDS | Tue, Nov 11, 2014 | 155.20 | 160.60 | 152.07 | 159.60 | 2272 | NYSE | PDS | Mon, Nov 10, 2014 | 161.60 | 163.60 | 154.80 | 155.20 | 2271 | NYSE | PDS | Fri, Nov 7, 2014 | 154.20 | 160.20 | 153.60 | 158.60 | 2270 | NYSE | PDS | Thu, Nov 6, 2014 | 151.40 | 153.60 | 145.80 | 153.20 | 2269 | NYSE | PDS | Wed, Nov 5, 2014 | 150.60 | 154.80 | 148.70 | 152.80 | 2268 | NYSE | PDS | Tue, Nov 4, 2014 | 157.00 | 157.40 | 145.60 | 148.00 | 2267 | NYSE | PDS | Mon, Nov 3, 2014 | 167.00 | 167.80 | 159.60 | 160.00 | 2266 | NYSE | PDS | Fri, Oct 31, 2014 | 164.40 | 166.80 | 160.18 | 166.40 | 2265 | NYSE | PDS | Thu, Oct 30, 2014 | 170.20 | 170.20 | 163.20 | 164.00 | 2264 | NYSE | PDS | Wed, Oct 29, 2014 | 169.20 | 175.20 | 167.60 | 171.20 | 2263 | NYSE | PDS | Tue, Oct 28, 2014 | 165.60 | 168.80 | 162.80 | 167.00 | 2262 | NYSE | PDS | Mon, Oct 27, 2014 | 177.40 | 177.40 | 159.60 | 162.20 | 2261 | NYSE | PDS | Fri, Oct 24, 2014 | 180.80 | 180.80 | 174.10 | 177.00 | 2260 | NYSE | PDS | Thu, Oct 23, 2014 | 181.20 | 183.40 | 176.60 | 180.60 | 2259 | NYSE | PDS | Wed, Oct 22, 2014 | 184.00 | 189.80 | 176.00 | 176.80 | 2258 | NYSE | PDS | Tue, Oct 21, 2014 | 174.80 | 181.80 | 173.00 | 181.80 | 2257 | NYSE | PDS | Mon, Oct 20, 2014 | 175.60 | 176.20 | 169.60 | 172.00 | 2256 | NYSE | PDS | Fri, Oct 17, 2014 | 180.00 | 184.00 | 174.20 | 175.60 | 2255 | NYSE | PDS | Thu, Oct 16, 2014 | 167.60 | 174.50 | 165.40 | 174.00 | 2254 | NYSE | PDS | Wed, Oct 15, 2014 | 164.00 | 171.40 | 158.80 | 170.60 | 2253 | NYSE | PDS | Tue, Oct 14, 2014 | 165.40 | 172.00 | 162.50 | 166.00 | 2252 | NYSE | PDS | Mon, Oct 13, 2014 | 177.40 | 182.40 | 162.20 | 164.20 | 2251 | NYSE | PDS | Fri, Oct 10, 2014 | 188.40 | 188.60 | 177.80 | 177.80 | 2250 | NYSE | PDS | Thu, Oct 9, 2014 | 198.20 | 198.20 | 186.60 | 188.40 | 2249 | NYSE | PDS | Wed, Oct 8, 2014 | 195.00 | 196.40 | 188.20 | 196.00 | 2248 | NYSE | PDS | Tue, Oct 7, 2014 | 199.00 | 202.20 | 195.80 | 196.20 | 2247 | NYSE | PDS | Mon, Oct 6, 2014 | 201.80 | 204.40 | 198.10 | 201.00 | 2246 | NYSE | PDS | Fri, Oct 3, 2014 | 203.40 | 206.40 | 200.20 | 200.80 | 2245 | NYSE | PDS | Thu, Oct 2, 2014 | 207.00 | 207.00 | 193.80 | 203.00 | 2244 | NYSE | PDS | Wed, Oct 1, 2014 | 216.20 | 216.40 | 207.20 | 208.00 | 2243 | NYSE | PDS | Tue, Sep 30, 2014 | 222.00 | 222.80 | 213.60 | 215.80 | 2242 | NYSE | PDS | Mon, Sep 29, 2014 | 218.40 | 223.20 | 216.00 | 222.80 | 2241 | NYSE | PDS | Fri, Sep 26, 2014 | 216.20 | 220.60 | 214.00 | 219.80 | 2240 | NYSE | PDS | Thu, Sep 25, 2014 | 218.80 | 219.80 | 213.60 | 216.00 | 2239 | NYSE | PDS | Wed, Sep 24, 2014 | 216.00 | 221.50 | 212.20 | 219.60 | 2238 | NYSE | PDS | Tue, Sep 23, 2014 | 212.20 | 219.40 | 210.00 | 216.60 | 2237 | NYSE | PDS | Mon, Sep 22, 2014 | 219.20 | 219.40 | 210.60 | 212.60 | 2236 | NYSE | PDS | Fri, Sep 19, 2014 | 229.80 | 230.80 | 221.00 | 221.80 | 2235 | NYSE | PDS | Thu, Sep 18, 2014 | 232.00 | 233.00 | 227.80 | 229.20 | 2234 | NYSE | PDS | Wed, Sep 17, 2014 | 233.20 | 235.20 | 227.80 | 228.60 | 2233 | NYSE | PDS | Tue, Sep 16, 2014 | 226.80 | 234.60 | 226.40 | 231.00 | 2232 | NYSE | PDS | Mon, Sep 15, 2014 | 226.80 | 229.40 | 225.00 | 226.00 | 2231 | NYSE | PDS | Fri, Sep 12, 2014 | 229.40 | 232.00 | 226.00 | 227.40 | 2230 | NYSE | PDS | Thu, Sep 11, 2014 | 227.80 | 232.10 | 226.80 | 230.80 | 2229 | NYSE | PDS | Wed, Sep 10, 2014 | 228.80 | 231.80 | 226.80 | 231.20 | 2228 | NYSE | PDS | Tue, Sep 9, 2014 | 228.80 | 231.60 | 228.00 | 229.20 | 2227 | NYSE | PDS | Mon, Sep 8, 2014 | 235.20 | 235.20 | 227.00 | 228.80 | 2226 | NYSE | PDS | Fri, Sep 5, 2014 | 240.00 | 240.40 | 233.60 | 238.00 | 2225 | NYSE | PDS | Thu, Sep 4, 2014 | 244.80 | 248.80 | 238.40 | 240.00 | 2224 | NYSE | PDS | Wed, Sep 3, 2014 | 246.60 | 248.80 | 243.40 | 244.00 | 2223 | NYSE | PDS | Tue, Sep 2, 2014 | 253.80 | 253.80 | 244.40 | 244.60 | 2222 | NYSE | PDS | Fri, Aug 29, 2014 | 253.80 | 255.00 | 250.80 | 254.20 | 2221 | NYSE | PDS | Thu, Aug 28, 2014 | 252.60 | 253.40 | 250.80 | 251.00 | 2220 | NYSE | PDS | Wed, Aug 27, 2014 | 250.80 | 256.60 | 249.20 | 252.80 | 2219 | NYSE | PDS | Tue, Aug 26, 2014 | 239.40 | 251.40 | 239.20 | 249.00 | 2218 | NYSE | PDS | Mon, Aug 25, 2014 | 239.60 | 240.40 | 237.40 | 238.20 | 2217 | NYSE | PDS | Fri, Aug 22, 2014 | 237.60 | 239.60 | 235.60 | 238.80 | 2216 | NYSE | PDS | Thu, Aug 21, 2014 | 241.20 | 241.20 | 236.00 | 238.20 | 2215 | NYSE | PDS | Wed, Aug 20, 2014 | 242.40 | 243.70 | 238.60 | 240.60 | 2214 | NYSE | PDS | Tue, Aug 19, 2014 | 240.60 | 244.00 | 240.40 | 242.40 | 2213 | NYSE | PDS | Mon, Aug 18, 2014 | 242.00 | 242.80 | 238.20 | 240.40 | 2212 | NYSE | PDS | Fri, Aug 15, 2014 | 240.00 | 241.40 | 236.60 | 241.20 | 2211 | NYSE | PDS | Thu, Aug 14, 2014 | 245.20 | 245.60 | 237.20 | 238.20 | 2210 | NYSE | PDS | Wed, Aug 13, 2014 | 246.80 | 248.20 | 244.20 | 244.60 | 2209 | NYSE | PDS | Tue, Aug 12, 2014 | 245.80 | 247.40 | 244.00 | 245.80 | 2208 | NYSE | PDS | Mon, Aug 11, 2014 | 247.00 | 251.40 | 245.60 | 246.40 | 2207 | NYSE | PDS | Fri, Aug 8, 2014 | 239.20 | 247.80 | 238.60 | 245.80 | 2206 | NYSE | PDS | Thu, Aug 7, 2014 | 243.20 | 243.80 | 237.80 | 238.20 | 2205 | NYSE | PDS | Wed, Aug 6, 2014 | 238.40 | 245.20 | 238.20 | 241.40 | 2204 | NYSE | PDS | Tue, Aug 5, 2014 | 247.80 | 248.00 | 239.00 | 240.40 | 2203 | NYSE | PDS | Mon, Aug 4, 2014 | 243.80 | 251.10 | 242.00 | 250.20 | 2202 | NYSE | PDS | Fri, Aug 1, 2014 | 247.80 | 249.80 | 242.00 | 243.80 | 2201 | NYSE | PDS | Thu, Jul 31, 2014 | 257.40 | 258.00 | 248.40 | 249.20 | 2200 | NYSE | PDS | Wed, Jul 30, 2014 | 265.80 | 265.80 | 259.40 | 259.40 | 2199 | NYSE | PDS | Tue, Jul 29, 2014 | 269.40 | 271.80 | 264.00 | 264.20 | 2198 | NYSE | PDS | Mon, Jul 28, 2014 | 277.80 | 277.80 | 268.20 | 269.40 | 2197 | NYSE | PDS | Fri, Jul 25, 2014 | 274.40 | 280.20 | 270.60 | 278.20 | 2196 | NYSE | PDS | Thu, Jul 24, 2014 | 278.80 | 283.80 | 273.00 | 274.60 | 2195 | NYSE | PDS | Wed, Jul 23, 2014 | 273.00 | 275.40 | 269.60 | 274.60 | 2194 | NYSE | PDS | Tue, Jul 22, 2014 | 270.20 | 272.00 | 266.20 | 269.20 | 2193 | NYSE | PDS | Mon, Jul 21, 2014 | 270.60 | 271.80 | 267.20 | 268.60 | 2192 | NYSE | PDS | Fri, Jul 18, 2014 | 274.20 | 274.80 | 270.80 | 272.80 | 2191 | NYSE | PDS | Thu, Jul 17, 2014 | 279.80 | 280.60 | 271.80 | 273.20 | 2190 | NYSE | PDS | Wed, Jul 16, 2014 | 280.00 | 281.60 | 273.80 | 280.20 | 2189 | NYSE | PDS | Tue, Jul 15, 2014 | 273.40 | 273.80 | 265.20 | 268.00 | 2188 | NYSE | PDS | Mon, Jul 14, 2014 | 271.40 | 276.60 | 271.40 | 273.00 | 2187 | NYSE | PDS | Fri, Jul 11, 2014 | 275.40 | 275.80 | 268.80 | 270.40 | 2186 | NYSE | PDS | Thu, Jul 10, 2014 | 277.40 | 279.60 | 273.00 | 276.60 | 2185 | NYSE | PDS | Wed, Jul 9, 2014 | 280.80 | 283.00 | 279.20 | 280.60 | 2184 | NYSE | PDS | Tue, Jul 8, 2014 | 283.20 | 283.20 | 275.80 | 280.60 | 2183 | NYSE | PDS | Mon, Jul 7, 2014 | 291.80 | 292.60 | 283.40 | 284.20 | 2182 | NYSE | PDS | Thu, Jul 3, 2014 | 289.60 | 293.00 | 288.80 | 290.80 | 2181 | NYSE | PDS | Wed, Jul 2, 2014 | 283.80 | 289.14 | 283.20 | 288.60 | 2180 | NYSE | PDS | Tue, Jul 1, 2014 | 284.80 | 286.60 | 282.40 | 283.00 | 2179 | NYSE | PDS | Mon, Jun 30, 2014 | 279.60 | 283.54 | 278.40 | 283.20 | 2178 | NYSE | PDS | Fri, Jun 27, 2014 | 278.80 | 280.80 | 277.00 | 279.40 | 2177 | NYSE | PDS | Thu, Jun 26, 2014 | 273.60 | 281.40 | 273.60 | 279.00 | 2176 | NYSE | PDS | Wed, Jun 25, 2014 | 274.80 | 278.20 | 273.60 | 274.20 | 2175 | NYSE | PDS | Tue, Jun 24, 2014 | 280.00 | 282.20 | 273.60 | 274.80 | 2174 | NYSE | PDS | Mon, Jun 23, 2014 | 284.20 | 285.60 | 279.40 | 280.60 | 2173 | NYSE | PDS | Fri, Jun 20, 2014 | 282.00 | 285.40 | 279.40 | 283.80 | 2172 | NYSE | PDS | Thu, Jun 19, 2014 | 280.40 | 280.59 | 276.40 | 280.00 | 2171 | NYSE | PDS | Wed, Jun 18, 2014 | 280.20 | 280.40 | 277.00 | 279.60 | 2170 | NYSE | PDS | Tue, Jun 17, 2014 | 279.00 | 282.00 | 277.40 | 279.40 | 2169 | NYSE | PDS | Mon, Jun 16, 2014 | 279.20 | 282.20 | 277.40 | 280.00 | 2168 | NYSE | PDS | Fri, Jun 13, 2014 | 272.40 | 280.60 | 271.30 | 280.00 | 2167 | NYSE | PDS | Thu, Jun 12, 2014 | 265.60 | 273.80 | 265.60 | 272.00 | 2166 | NYSE | PDS | Wed, Jun 11, 2014 | 264.00 | 266.40 | 260.60 | 265.20 | 2165 | NYSE | PDS | Tue, Jun 10, 2014 | 268.40 | 269.40 | 263.80 | 264.80 | 2164 | NYSE | PDS | Mon, Jun 9, 2014 | 266.80 | 270.00 | 264.60 | 268.80 | 2163 | NYSE | PDS | Fri, Jun 6, 2014 | 265.40 | 266.80 | 262.30 | 266.20 | 2162 | NYSE | PDS | Thu, Jun 5, 2014 | 265.00 | 265.80 | 262.60 | 265.80 | 2161 | NYSE | PDS | Wed, Jun 4, 2014 | 262.60 | 265.80 | 259.60 | 265.60 | 2160 | NYSE | PDS | Tue, Jun 3, 2014 | 260.40 | 263.40 | 259.00 | 263.00 | 2159 | NYSE | PDS | Mon, Jun 2, 2014 | 259.20 | 261.80 | 256.80 | 261.60 | 2158 | NYSE | PDS | Fri, May 30, 2014 | 253.60 | 259.20 | 253.00 | 259.20 | 2157 | NYSE | PDS | Thu, May 29, 2014 | 254.80 | 255.80 | 250.20 | 254.00 | 2156 | NYSE | PDS | Wed, May 28, 2014 | 253.40 | 256.40 | 249.80 | 253.00 | 2155 | NYSE | PDS | Tue, May 27, 2014 | 255.00 | 256.00 | 249.10 | 252.20 | 2154 | NYSE | PDS | Fri, May 23, 2014 | 252.60 | 254.60 | 252.00 | 253.60 | 2153 | NYSE | PDS | Thu, May 22, 2014 | 251.00 | 253.00 | 248.40 | 252.00 | 2152 | NYSE | PDS | Wed, May 21, 2014 | 250.80 | 253.40 | 248.50 | 251.00 | 2151 | NYSE | PDS | Tue, May 20, 2014 | 245.60 | 247.40 | 241.00 | 243.80 | 2150 | NYSE | PDS | Mon, May 19, 2014 | 245.60 | 250.60 | 244.00 | 246.40 | 2149 | NYSE | PDS | Fri, May 16, 2014 | 244.60 | 246.40 | 239.40 | 246.20 | 2148 | NYSE | PDS | Thu, May 15, 2014 | 247.20 | 247.80 | 238.20 | 244.60 | 2147 | NYSE | PDS | Wed, May 14, 2014 | 250.00 | 251.90 | 248.20 | 248.80 | 2146 | NYSE | PDS | Tue, May 13, 2014 | 253.40 | 253.40 | 249.30 | 250.20 | 2145 | NYSE | PDS | Mon, May 12, 2014 | 250.00 | 254.40 | 249.60 | 252.40 | 2144 | NYSE | PDS | Fri, May 9, 2014 | 255.40 | 256.20 | 241.60 | 249.00 | 2143 | NYSE | PDS | Thu, May 8, 2014 | 261.60 | 262.20 | 254.20 | 256.20 | 2142 | NYSE | PDS | Wed, May 7, 2014 | 260.60 | 262.95 | 259.00 | 262.40 | 2141 | NYSE | PDS | Tue, May 6, 2014 | 259.00 | 261.20 | 257.10 | 260.00 | 2140 | NYSE | PDS | Mon, May 5, 2014 | 260.80 | 263.00 | 257.20 | 258.40 | 2139 | NYSE | PDS | Fri, May 2, 2014 | 255.40 | 266.50 | 255.00 | 262.80 | 2138 | NYSE | PDS | Thu, May 1, 2014 | 259.80 | 263.80 | 254.60 | 255.00 | 2137 | NYSE | PDS | Wed, Apr 30, 2014 | 260.60 | 262.80 | 256.40 | 260.00 | 2136 | NYSE | PDS | Tue, Apr 29, 2014 | 252.20 | 266.00 | 252.20 | 260.60 | 2135 | NYSE | PDS | Mon, Apr 28, 2014 | 258.60 | 259.00 | 245.30 | 248.80 | 2134 | NYSE | PDS | Fri, Apr 25, 2014 | 248.00 | 255.20 | 246.00 | 251.20 | 2133 | NYSE | PDS | Thu, Apr 24, 2014 | 259.60 | 261.20 | 248.80 | 249.80 | 2132 | NYSE | PDS | Wed, Apr 23, 2014 | 258.40 | 260.00 | 255.80 | 259.40 | 2131 | NYSE | PDS | Tue, Apr 22, 2014 | 257.40 | 258.80 | 254.30 | 258.40 | 2130 | NYSE | PDS | Mon, Apr 21, 2014 | 255.00 | 259.40 | 252.60 | 257.40 | 2129 | NYSE | PDS | Thu, Apr 17, 2014 | 250.40 | 254.60 | 246.00 | 254.40 | 2128 | NYSE | PDS | Wed, Apr 16, 2014 | 243.80 | 250.60 | 241.00 | 249.40 | 2127 | NYSE | PDS | Tue, Apr 15, 2014 | 236.80 | 240.70 | 233.30 | 235.60 | 2126 | NYSE | PDS | Mon, Apr 14, 2014 | 238.60 | 241.60 | 235.60 | 236.60 | 2125 | NYSE | PDS | Fri, Apr 11, 2014 | 234.20 | 238.40 | 233.60 | 236.40 | 2124 | NYSE | PDS | Thu, Apr 10, 2014 | 248.80 | 248.80 | 236.80 | 238.60 | 2123 | NYSE | PDS | Wed, Apr 9, 2014 | 239.80 | 249.80 | 238.00 | 249.40 | 2122 | NYSE | PDS | Tue, Apr 8, 2014 | 235.60 | 240.40 | 234.80 | 239.60 | 2121 | NYSE | PDS | Mon, Apr 7, 2014 | 242.40 | 242.80 | 233.80 | 234.00 | 2120 | NYSE | PDS | Fri, Apr 4, 2014 | 243.80 | 247.40 | 242.80 | 243.20 | 2119 | NYSE | PDS | Thu, Apr 3, 2014 | 243.20 | 244.40 | 239.60 | 241.60 | 2118 | NYSE | PDS | Wed, Apr 2, 2014 | 241.60 | 244.80 | 240.40 | 243.80 | 2117 | NYSE | PDS | Tue, Apr 1, 2014 | 240.60 | 242.20 | 238.60 | 241.60 | 2116 | NYSE | PDS | Mon, Mar 31, 2014 | 234.80 | 241.20 | 234.40 | 239.40 | 2115 | NYSE | PDS | Fri, Mar 28, 2014 | 234.80 | 235.40 | 232.00 | 233.20 | 2114 | NYSE | PDS | Thu, Mar 27, 2014 | 228.60 | 237.00 | 228.00 | 233.40 | 2113 | NYSE | PDS | Wed, Mar 26, 2014 | 229.80 | 230.60 | 226.00 | 229.00 | 2112 | NYSE | PDS | Tue, Mar 25, 2014 | 230.40 | 234.40 | 228.00 | 230.40 | 2111 | NYSE | PDS | Mon, Mar 24, 2014 | 228.00 | 231.80 | 225.60 | 228.60 | 2110 | NYSE | PDS | Fri, Mar 21, 2014 | 227.60 | 230.00 | 225.80 | 226.60 | 2109 | NYSE | PDS | Thu, Mar 20, 2014 | 221.00 | 227.00 | 219.00 | 226.20 | 2108 | NYSE | PDS | Wed, Mar 19, 2014 | 216.20 | 224.20 | 214.80 | 222.40 | 2107 | NYSE | PDS | Tue, Mar 18, 2014 | 215.00 | 219.40 | 215.00 | 216.80 | 2106 | NYSE | PDS | Mon, Mar 17, 2014 | 210.00 | 216.20 | 209.80 | 214.20 | 2105 | NYSE | PDS | Fri, Mar 14, 2014 | 209.40 | 212.20 | 207.80 | 209.20 | 2104 | NYSE | PDS | Thu, Mar 13, 2014 | 212.80 | 214.20 | 209.20 | 210.20 | 2103 | NYSE | PDS | Wed, Mar 12, 2014 | 212.00 | 213.80 | 208.40 | 212.20 | 2102 | NYSE | PDS | Tue, Mar 11, 2014 | 216.60 | 217.00 | 213.00 | 214.20 | 2101 | NYSE | PDS | Mon, Mar 10, 2014 | 220.00 | 220.00 | 216.20 | 216.40 | 2100 | NYSE | PDS | Fri, Mar 7, 2014 | 219.20 | 221.20 | 217.50 | 221.00 | 2099 | NYSE | PDS | Thu, Mar 6, 2014 | 218.80 | 220.80 | 217.40 | 219.20 | 2098 | NYSE | PDS | Wed, Mar 5, 2014 | 220.40 | 220.40 | 216.60 | 218.00 | 2097 | NYSE | PDS | Tue, Mar 4, 2014 | 223.80 | 226.20 | 219.40 | 220.80 | 2096 | NYSE | PDS | Mon, Mar 3, 2014 | 217.80 | 222.00 | 217.80 | 221.80 | 2095 | NYSE | PDS | Fri, Feb 28, 2014 | 218.80 | 223.20 | 218.00 | 221.20 | 2094 | NYSE | PDS | Thu, Feb 27, 2014 | 215.00 | 219.10 | 213.20 | 218.20 | 2093 | NYSE | PDS | Wed, Feb 26, 2014 | 217.40 | 217.82 | 214.00 | 214.80 | 2092 | NYSE | PDS | Tue, Feb 25, 2014 | 216.80 | 218.20 | 213.80 | 218.00 | 2091 | NYSE | PDS | Mon, Feb 24, 2014 | 217.20 | 221.00 | 216.80 | 218.20 | 2090 | NYSE | PDS | Fri, Feb 21, 2014 | 214.60 | 217.60 | 214.00 | 215.80 | 2089 | NYSE | PDS | Thu, Feb 20, 2014 | 214.20 | 222.00 | 214.00 | 214.80 | 2088 | NYSE | PDS | Wed, Feb 19, 2014 | 211.80 | 217.20 | 211.20 | 215.00 | 2087 | NYSE | PDS | Tue, Feb 18, 2014 | 208.80 | 213.60 | 206.80 | 212.80 | 2086 | NYSE | PDS | Fri, Feb 14, 2014 | 203.00 | 212.80 | 203.00 | 207.80 | 2085 | NYSE | PDS | Thu, Feb 13, 2014 | 193.80 | 204.00 | 191.00 | 203.00 | 2084 | NYSE | PDS | Wed, Feb 12, 2014 | 187.60 | 191.60 | 187.40 | 189.60 | 2083 | NYSE | PDS | Tue, Feb 11, 2014 | 182.20 | 187.60 | 181.80 | 186.80 | 2082 | NYSE | PDS | Mon, Feb 10, 2014 | 186.00 | 186.20 | 182.40 | 182.40 | 2081 | NYSE | PDS | Fri, Feb 7, 2014 | 187.60 | 188.60 | 184.60 | 185.40 | 2080 | NYSE | PDS | Thu, Feb 6, 2014 | 179.00 | 188.00 | 178.80 | 185.60 | 2079 | NYSE | PDS | Wed, Feb 5, 2014 | 174.80 | 181.00 | 174.80 | 178.60 | 2078 | NYSE | PDS | Tue, Feb 4, 2014 | 172.60 | 176.20 | 171.20 | 175.40 | 2077 | NYSE | PDS | Mon, Feb 3, 2014 | 179.00 | 179.40 | 171.00 | 171.80 | 2076 | NYSE | PDS | Fri, Jan 31, 2014 | 173.40 | 180.70 | 172.80 | 178.40 | 2075 | NYSE | PDS | Thu, Jan 30, 2014 | 174.40 | 178.00 | 172.60 | 176.60 | 2074 | NYSE | PDS | Wed, Jan 29, 2014 | 176.20 | 176.80 | 172.00 | 172.80 | 2073 | NYSE | PDS | Tue, Jan 28, 2014 | 172.60 | 178.80 | 172.60 | 177.80 | 2072 | NYSE | PDS | Mon, Jan 27, 2014 | 177.40 | 177.40 | 170.20 | 172.80 | 2071 | NYSE | PDS | Fri, Jan 24, 2014 | 180.20 | 180.60 | 174.00 | 177.00 | 2070 | NYSE | PDS | Thu, Jan 23, 2014 | 180.00 | 182.00 | 177.70 | 179.80 | 2069 | NYSE | PDS | Wed, Jan 22, 2014 | 183.40 | 184.40 | 179.80 | 180.60 | 2068 | NYSE | PDS | Tue, Jan 21, 2014 | 183.80 | 184.60 | 182.20 | 183.60 | 2067 | NYSE | PDS | Fri, Jan 17, 2014 | 183.80 | 184.40 | 181.60 | 183.00 | 2066 | NYSE | PDS | Thu, Jan 16, 2014 | 182.20 | 184.80 | 181.60 | 184.00 | 2065 | NYSE | PDS | Wed, Jan 15, 2014 | 179.80 | 183.60 | 178.80 | 182.80 | 2064 | NYSE | PDS | Tue, Jan 14, 2014 | 180.80 | 181.40 | 179.20 | 180.00 | 2063 | NYSE | PDS | Mon, Jan 13, 2014 | 183.60 | 184.10 | 180.60 | 181.20 | 2062 | NYSE | PDS | Fri, Jan 10, 2014 | 179.60 | 184.80 | 178.40 | 183.60 | 2061 | NYSE | PDS | Thu, Jan 9, 2014 | 183.40 | 183.40 | 179.00 | 180.60 | 2060 | NYSE | PDS | Wed, Jan 8, 2014 | 181.80 | 184.80 | 181.40 | 183.60 | 2059 | NYSE | PDS | Tue, Jan 7, 2014 | 185.00 | 185.40 | 182.80 | 183.00 | 2058 | NYSE | PDS | Mon, Jan 6, 2014 | 186.20 | 186.80 | 184.40 | 185.20 | 2057 | NYSE | PDS | Fri, Jan 3, 2014 | 186.40 | 188.00 | 185.60 | 186.20 | 2056 | NYSE | PDS | Thu, Jan 2, 2014 | 187.00 | 188.20 | 184.80 | 186.20 | 2055 | NYSE | PDS | Tue, Dec 31, 2013 | 186.40 | 189.20 | 185.80 | 187.40 | 2054 | NYSE | PDS | Mon, Dec 30, 2013 | 185.40 | 187.40 | 184.80 | 186.00 | 2053 | NYSE | PDS | Fri, Dec 27, 2013 | 183.40 | 185.30 | 183.20 | 185.20 | 2052 | NYSE | PDS | Thu, Dec 26, 2013 | 185.00 | 187.60 | 184.40 | 186.00 | 2051 | NYSE | PDS | Tue, Dec 24, 2013 | 182.20 | 184.20 | 180.80 | 184.20 | 2050 | NYSE | PDS | Mon, Dec 23, 2013 | 181.80 | 184.00 | 181.60 | 182.40 | 2049 | NYSE | PDS | Fri, Dec 20, 2013 | 176.20 | 181.60 | 176.20 | 181.40 | 2048 | NYSE | PDS | Thu, Dec 19, 2013 | 176.80 | 178.00 | 175.00 | 177.00 | 2047 | NYSE | PDS | Wed, Dec 18, 2013 | 177.20 | 178.20 | 174.27 | 176.20 | 2046 | NYSE | PDS | Tue, Dec 17, 2013 | 181.60 | 181.80 | 176.60 | 176.60 | 2045 | NYSE | PDS | Mon, Dec 16, 2013 | 180.60 | 182.00 | 180.20 | 181.00 | 2044 | NYSE | PDS | Fri, Dec 13, 2013 | 180.40 | 181.00 | 177.80 | 179.00 | 2043 | NYSE | PDS | Thu, Dec 12, 2013 | 180.80 | 182.00 | 178.00 | 180.60 | 2042 | NYSE | PDS | Wed, Dec 11, 2013 | 184.20 | 184.20 | 180.80 | 181.00 | 2041 | NYSE | PDS | Tue, Dec 10, 2013 | 183.60 | 184.40 | 181.60 | 182.20 | 2040 | NYSE | PDS | Mon, Dec 9, 2013 | 184.40 | 185.60 | 181.60 | 183.20 | 2039 | NYSE | PDS | Fri, Dec 6, 2013 | 178.20 | 183.60 | 177.00 | 183.60 | 2038 | NYSE | PDS | Thu, Dec 5, 2013 | 180.40 | 180.40 | 172.20 | 175.00 | 2037 | NYSE | PDS | Wed, Dec 4, 2013 | 186.00 | 192.40 | 185.60 | 192.40 | 2036 | NYSE | PDS | Tue, Dec 3, 2013 | 184.00 | 187.80 | 181.40 | 186.60 | 2035 | NYSE | PDS | Mon, Dec 2, 2013 | 185.40 | 188.60 | 183.80 | 185.20 | 2034 | NYSE | PDS | Fri, Nov 29, 2013 | 185.40 | 188.00 | 184.20 | 187.00 | 2033 | NYSE | PDS | Wed, Nov 27, 2013 | 185.60 | 186.40 | 183.60 | 185.00 | 2032 | NYSE | PDS | Tue, Nov 26, 2013 | 186.20 | 188.60 | 184.00 | 187.40 | 2031 | NYSE | PDS | Mon, Nov 25, 2013 | 190.20 | 190.20 | 185.20 | 186.60 | 2030 | NYSE | PDS | Fri, Nov 22, 2013 | 193.20 | 193.20 | 186.60 | 190.00 | 2029 | NYSE | PDS | Thu, Nov 21, 2013 | 190.40 | 194.00 | 189.20 | 193.60 | 2028 | NYSE | PDS | Wed, Nov 20, 2013 | 191.60 | 193.20 | 189.60 | 190.60 | 2027 | NYSE | PDS | Tue, Nov 19, 2013 | 187.80 | 191.80 | 187.20 | 191.20 | 2026 | NYSE | PDS | Mon, Nov 18, 2013 | 192.60 | 193.80 | 187.00 | 189.00 | 2025 | NYSE | PDS | Fri, Nov 15, 2013 | 195.60 | 196.20 | 192.22 | 193.00 | 2024 | NYSE | PDS | Thu, Nov 14, 2013 | 193.40 | 196.60 | 192.40 | 195.60 | 2023 | NYSE | PDS | Wed, Nov 13, 2013 | 193.20 | 195.20 | 192.20 | 194.00 | 2022 | NYSE | PDS | Tue, Nov 12, 2013 | 200.00 | 201.00 | 193.40 | 194.40 | 2021 | NYSE | PDS | Mon, Nov 11, 2013 | 201.60 | 203.30 | 199.60 | 200.60 | 2020 | NYSE | PDS | Fri, Nov 8, 2013 | 198.40 | 202.20 | 198.00 | 201.40 | 2019 | NYSE | PDS | Thu, Nov 7, 2013 | 209.20 | 209.20 | 199.40 | 199.40 | 2018 | NYSE | PDS | Wed, Nov 6, 2013 | 206.20 | 209.40 | 205.20 | 208.40 | 2017 | NYSE | PDS | Tue, Nov 5, 2013 | 208.40 | 208.40 | 204.19 | 204.80 | 2016 | NYSE | PDS | Mon, Nov 4, 2013 | 209.20 | 211.00 | 207.40 | 209.80 | 2015 | NYSE | PDS | Fri, Nov 1, 2013 | 212.20 | 212.60 | 207.60 | 208.80 | 2014 | NYSE | PDS | Thu, Oct 31, 2013 | 211.40 | 214.20 | 210.40 | 211.80 | 2013 | NYSE | PDS | Wed, Oct 30, 2013 | 214.80 | 217.80 | 212.40 | 213.40 | 2012 | NYSE | PDS | Tue, Oct 29, 2013 | 212.20 | 216.00 | 210.40 | 215.20 | 2011 | NYSE | PDS | Mon, Oct 28, 2013 | 211.40 | 215.00 | 208.20 | 211.40 | 2010 | NYSE | PDS | Fri, Oct 25, 2013 | 202.60 | 212.40 | 201.60 | 212.00 | 2009 | NYSE | PDS | Thu, Oct 24, 2013 | 207.80 | 207.80 | 198.20 | 203.00 | 2008 | NYSE | PDS | Wed, Oct 23, 2013 | 214.00 | 214.40 | 209.40 | 209.60 | 2007 | NYSE | PDS | Tue, Oct 22, 2013 | 220.20 | 222.20 | 216.20 | 216.80 | 2006 | NYSE | PDS | Mon, Oct 21, 2013 | 220.80 | 222.80 | 217.20 | 220.00 | 2005 | NYSE | PDS | Fri, Oct 18, 2013 | 219.60 | 224.20 | 219.00 | 221.40 | 2004 | NYSE | PDS | Thu, Oct 17, 2013 | 213.00 | 219.60 | 212.60 | 217.80 | 2003 | NYSE | PDS | Wed, Oct 16, 2013 | 212.20 | 215.00 | 211.60 | 213.40 | 2002 | NYSE | PDS | Tue, Oct 15, 2013 | 210.20 | 212.00 | 207.80 | 211.60 | 2001 | NYSE | PDS | Mon, Oct 14, 2013 | 205.40 | 213.80 | 205.30 | 213.20 | 2000 | NYSE | PDS | Fri, Oct 11, 2013 | 202.80 | 208.20 | 202.00 | 207.40 | 1999 | NYSE | PDS | Thu, Oct 10, 2013 | 200.60 | 204.60 | 200.60 | 203.60 | 1998 | NYSE | PDS | Wed, Oct 9, 2013 | 201.20 | 202.20 | 195.40 | 198.80 | 1997 | NYSE | PDS | Tue, Oct 8, 2013 | 207.20 | 208.80 | 200.60 | 201.80 | 1996 | NYSE | PDS | Mon, Oct 7, 2013 | 204.20 | 207.40 | 202.40 | 207.00 | 1995 | NYSE | PDS | Fri, Oct 4, 2013 | 203.00 | 208.80 | 201.40 | 206.40 | 1994 | NYSE | PDS | Thu, Oct 3, 2013 | 203.40 | 204.90 | 200.40 | 203.40 | 1993 | NYSE | PDS | Wed, Oct 2, 2013 | 200.00 | 203.70 | 197.20 | 203.00 | 1992 | NYSE | PDS | Tue, Oct 1, 2013 | 197.60 | 204.40 | 197.40 | 202.00 | 1991 | NYSE | PDS | Mon, Sep 30, 2013 | 196.00 | 199.20 | 194.40 | 198.40 | 1990 | NYSE | PDS | Fri, Sep 27, 2013 | 198.20 | 200.00 | 195.20 | 198.60 | 1989 | NYSE | PDS | Thu, Sep 26, 2013 | 198.40 | 200.20 | 194.80 | 198.80 | 1988 | NYSE | PDS | Wed, Sep 25, 2013 | 202.60 | 202.60 | 197.89 | 198.40 | 1987 | NYSE | PDS | Tue, Sep 24, 2013 | 202.00 | 203.80 | 197.00 | 201.80 | 1986 | NYSE | PDS | Mon, Sep 23, 2013 | 209.00 | 209.00 | 201.80 | 202.20 | 1985 | NYSE | PDS | Fri, Sep 20, 2013 | 210.80 | 211.80 | 207.80 | 209.20 | 1984 | NYSE | PDS | Thu, Sep 19, 2013 | 213.60 | 213.80 | 208.62 | 210.40 | 1983 | NYSE | PDS | Wed, Sep 18, 2013 | 210.20 | 214.60 | 208.00 | 213.20 | 1982 | NYSE | PDS | Tue, Sep 17, 2013 | 211.20 | 214.00 | 209.60 | 210.40 | 1981 | NYSE | PDS | Mon, Sep 16, 2013 | 209.40 | 215.20 | 208.60 | 211.40 | 1980 | NYSE | PDS | Fri, Sep 13, 2013 | 205.60 | 207.00 | 203.98 | 206.20 | 1979 | NYSE | PDS | Thu, Sep 12, 2013 | 206.20 | 207.00 | 203.20 | 205.80 | 1978 | NYSE | PDS | Wed, Sep 11, 2013 | 208.20 | 208.20 | 205.00 | 207.20 | 1977 | NYSE | PDS | Tue, Sep 10, 2013 | 210.60 | 212.00 | 206.60 | 208.60 | 1976 | NYSE | PDS | Mon, Sep 9, 2013 | 210.40 | 212.30 | 208.60 | 211.20 | 1975 | NYSE | PDS | Fri, Sep 6, 2013 | 209.80 | 211.80 | 206.00 | 208.80 | 1974 | NYSE | PDS | Thu, Sep 5, 2013 | 201.60 | 207.40 | 201.60 | 206.40 | 1973 | NYSE | PDS | Wed, Sep 4, 2013 | 196.80 | 201.80 | 196.40 | 201.60 | 1972 | NYSE | PDS | Tue, Sep 3, 2013 | 199.80 | 201.00 | 195.40 | 197.40 | 1971 | NYSE | PDS | Fri, Aug 30, 2013 | 195.60 | 197.80 | 195.00 | 197.80 | 1970 | NYSE | PDS | Thu, Aug 29, 2013 | 196.00 | 199.60 | 194.60 | 195.40 | 1969 | NYSE | PDS | Wed, Aug 28, 2013 | 193.00 | 197.20 | 192.20 | 195.80 | 1968 | NYSE | PDS | Tue, Aug 27, 2013 | 194.80 | 194.80 | 191.40 | 192.60 | 1967 | NYSE | PDS | Mon, Aug 26, 2013 | 201.00 | 201.00 | 194.80 | 195.40 | 1966 | NYSE | PDS | Fri, Aug 23, 2013 | 201.80 | 203.00 | 198.00 | 201.00 | 1965 | NYSE | PDS | Thu, Aug 22, 2013 | 202.20 | 205.60 | 199.80 | 201.80 | 1964 | NYSE | PDS | Wed, Aug 21, 2013 | 204.80 | 206.00 | 201.00 | 202.20 | 1963 | NYSE | PDS | Tue, Aug 20, 2013 | 200.80 | 208.00 | 200.80 | 206.40 | 1962 | NYSE | PDS | Mon, Aug 19, 2013 | 205.40 | 205.40 | 201.53 | 202.20 | 1961 | NYSE | PDS | Fri, Aug 16, 2013 | 207.80 | 208.00 | 204.20 | 205.60 | 1960 | NYSE | PDS | Thu, Aug 15, 2013 | 207.80 | 209.80 | 200.80 | 207.40 | 1959 | NYSE | PDS | Wed, Aug 14, 2013 | 208.00 | 210.00 | 206.60 | 208.80 | 1958 | NYSE | PDS | Tue, Aug 13, 2013 | 206.80 | 209.00 | 206.60 | 207.40 | 1957 | NYSE | PDS | Mon, Aug 12, 2013 | 208.60 | 212.20 | 205.40 | 207.80 | 1956 | NYSE | PDS | Fri, Aug 9, 2013 | 210.80 | 212.40 | 209.20 | 211.20 | 1955 | NYSE | PDS | Thu, Aug 8, 2013 | 210.20 | 212.80 | 208.20 | 211.60 | 1954 | NYSE | PDS | Wed, Aug 7, 2013 | 207.00 | 211.00 | 206.60 | 209.40 | 1953 | NYSE | PDS | Tue, Aug 6, 2013 | 208.20 | 209.99 | 206.00 | 208.80 | 1952 | NYSE | PDS | Mon, Aug 5, 2013 | 209.60 | 210.00 | 207.40 | 207.80 | 1951 | NYSE | PDS | Fri, Aug 2, 2013 | 208.40 | 212.00 | 206.60 | 210.40 | 1950 | NYSE | PDS | Thu, Aug 1, 2013 | 206.00 | 215.40 | 206.00 | 210.40 | 1949 | NYSE | PDS | Wed, Jul 31, 2013 | 194.60 | 207.20 | 194.60 | 204.00 | 1948 | NYSE | PDS | Tue, Jul 30, 2013 | 195.60 | 197.40 | 193.80 | 194.80 | 1947 | NYSE | PDS | Mon, Jul 29, 2013 | 202.00 | 202.00 | 194.80 | 196.00 | 1946 | NYSE | PDS | Fri, Jul 26, 2013 | 201.60 | 202.20 | 198.00 | 201.20 | 1945 | NYSE | PDS | Thu, Jul 25, 2013 | 190.80 | 205.00 | 190.60 | 202.20 | 1944 | NYSE | PDS | Wed, Jul 24, 2013 | 197.60 | 202.00 | 191.40 | 191.40 | 1943 | NYSE | PDS | Tue, Jul 23, 2013 | 191.40 | 198.20 | 191.40 | 197.40 | 1942 | NYSE | PDS | Mon, Jul 22, 2013 | 186.20 | 194.30 | 185.80 | 191.40 | 1941 | NYSE | PDS | Fri, Jul 19, 2013 | 185.80 | 186.00 | 182.60 | 185.60 | 1940 | NYSE | PDS | Thu, Jul 18, 2013 | 182.40 | 186.75 | 181.60 | 184.00 | 1939 | NYSE | PDS | Wed, Jul 17, 2013 | 181.40 | 182.60 | 180.20 | 181.40 | 1938 | NYSE | PDS | Tue, Jul 16, 2013 | 184.40 | 185.30 | 179.00 | 181.20 | 1937 | NYSE | PDS | Mon, Jul 15, 2013 | 185.40 | 186.45 | 183.60 | 184.60 | 1936 | NYSE | PDS | Fri, Jul 12, 2013 | 184.40 | 185.40 | 183.20 | 184.60 | 1935 | NYSE | PDS | Thu, Jul 11, 2013 | 180.40 | 185.40 | 180.00 | 184.40 | 1934 | NYSE | PDS | Wed, Jul 10, 2013 | 178.00 | 179.20 | 173.60 | 177.60 | 1933 | NYSE | PDS | Tue, Jul 9, 2013 | 177.80 | 178.80 | 175.20 | 178.00 | 1932 | NYSE | PDS | Mon, Jul 8, 2013 | 176.40 | 178.60 | 175.00 | 176.40 | 1931 | NYSE | PDS | Fri, Jul 5, 2013 | 173.60 | 176.00 | 171.40 | 175.80 | 1930 | NYSE | PDS | Wed, Jul 3, 2013 | 173.40 | 174.80 | 171.80 | 173.20 | 1929 | NYSE | PDS | Tue, Jul 2, 2013 | 174.20 | 174.80 | 171.00 | 174.40 | 1928 | NYSE | PDS | Mon, Jul 1, 2013 | 172.00 | 175.80 | 171.40 | 175.20 | 1927 | NYSE | PDS | Fri, Jun 28, 2013 | 172.80 | 174.00 | 170.60 | 171.00 | 1926 | NYSE | PDS | Thu, Jun 27, 2013 | 173.20 | 176.00 | 172.80 | 173.60 | 1925 | NYSE | PDS | Wed, Jun 26, 2013 | 172.20 | 173.40 | 170.60 | 172.60 | 1924 | NYSE | PDS | Tue, Jun 25, 2013 | 169.60 | 172.60 | 168.00 | 171.20 | 1923 | NYSE | PDS | Mon, Jun 24, 2013 | 167.80 | 171.40 | 163.20 | 168.20 | 1922 | NYSE | PDS | Fri, Jun 21, 2013 | 175.40 | 176.40 | 168.40 | 171.60 | 1921 | NYSE | PDS | Thu, Jun 20, 2013 | 178.20 | 179.40 | 174.00 | 174.60 | 1920 | NYSE | PDS | Wed, Jun 19, 2013 | 181.80 | 184.60 | 180.20 | 181.20 | 1919 | NYSE | PDS | Tue, Jun 18, 2013 | 183.00 | 186.70 | 181.80 | 182.20 | 1918 | NYSE | PDS | Mon, Jun 17, 2013 | 178.60 | 184.20 | 177.20 | 182.80 | 1917 | NYSE | PDS | Fri, Jun 14, 2013 | 176.20 | 179.20 | 175.30 | 177.60 | 1916 | NYSE | PDS | Thu, Jun 13, 2013 | 175.80 | 177.40 | 174.80 | 176.20 | 1915 | NYSE | PDS | Wed, Jun 12, 2013 | 182.80 | 185.80 | 175.60 | 176.20 | 1914 | NYSE | PDS | Tue, Jun 11, 2013 | 185.60 | 187.00 | 181.20 | 181.40 | 1913 | NYSE | PDS | Mon, Jun 10, 2013 | 188.00 | 190.80 | 187.20 | 188.60 | 1912 | NYSE | PDS | Fri, Jun 7, 2013 | 178.60 | 188.20 | 177.40 | 187.60 | 1911 | NYSE | PDS | Thu, Jun 6, 2013 | 179.00 | 180.40 | 177.00 | 177.60 | 1910 | NYSE | PDS | Wed, Jun 5, 2013 | 176.60 | 179.00 | 175.00 | 178.60 | 1909 | NYSE | PDS | Tue, Jun 4, 2013 | 179.20 | 179.80 | 177.00 | 177.40 | 1908 | NYSE | PDS | Mon, Jun 3, 2013 | 172.40 | 180.40 | 172.40 | 180.00 | 1907 | NYSE | PDS | Fri, May 31, 2013 | 171.40 | 174.40 | 170.00 | 172.00 | 1906 | NYSE | PDS | Thu, May 30, 2013 | 166.80 | 174.00 | 165.20 | 172.60 | 1905 | NYSE | PDS | Wed, May 29, 2013 | 165.60 | 167.80 | 164.20 | 167.40 | 1904 | NYSE | PDS | Tue, May 28, 2013 | 168.60 | 171.80 | 166.20 | 166.80 | 1903 | NYSE | PDS | Fri, May 24, 2013 | 167.20 | 168.20 | 164.80 | 166.00 | 1902 | NYSE | PDS | Thu, May 23, 2013 | 165.60 | 169.60 | 164.20 | 169.20 | 1901 | NYSE | PDS | Wed, May 22, 2013 | 172.60 | 174.60 | 170.00 | 170.00 | 1900 | NYSE | PDS | Tue, May 21, 2013 | 168.40 | 174.40 | 167.20 | 173.60 | 1899 | NYSE | PDS | Mon, May 20, 2013 | 166.20 | 171.80 | 165.80 | 169.80 | 1898 | NYSE | PDS | Fri, May 17, 2013 | 165.20 | 168.40 | 163.80 | 167.00 | 1897 | NYSE | PDS | Thu, May 16, 2013 | 159.60 | 165.00 | 159.40 | 165.00 | 1896 | NYSE | PDS | Wed, May 15, 2013 | 158.40 | 160.60 | 157.80 | 159.80 | 1895 | NYSE | PDS | Tue, May 14, 2013 | 160.40 | 161.80 | 157.80 | 160.40 | 1894 | NYSE | PDS | Mon, May 13, 2013 | 164.60 | 164.60 | 160.80 | 161.40 | 1893 | NYSE | PDS | Fri, May 10, 2013 | 160.40 | 165.20 | 159.20 | 164.80 | 1892 | NYSE | PDS | Thu, May 9, 2013 | 160.00 | 164.60 | 159.00 | 163.40 | 1891 | NYSE | PDS | Wed, May 8, 2013 | 161.40 | 162.40 | 158.80 | 159.60 | 1890 | NYSE | PDS | Tue, May 7, 2013 | 164.00 | 164.20 | 159.80 | 161.20 | 1889 | NYSE | PDS | Mon, May 6, 2013 | 162.80 | 165.00 | 161.80 | 162.80 | 1888 | NYSE | PDS | Fri, May 3, 2013 | 161.80 | 164.00 | 161.80 | 162.60 | 1887 | NYSE | PDS | Thu, May 2, 2013 | 156.20 | 161.00 | 155.10 | 159.60 | 1886 | NYSE | PDS | Wed, May 1, 2013 | 160.60 | 160.60 | 154.60 | 156.00 | 1885 | NYSE | PDS | Tue, Apr 30, 2013 | 161.80 | 163.00 | 160.40 | 162.00 | 1884 | NYSE | PDS | Mon, Apr 29, 2013 | 158.00 | 162.80 | 158.00 | 161.40 | 1883 | NYSE | PDS | Fri, Apr 26, 2013 | 159.40 | 160.20 | 155.20 | 156.20 | 1882 | NYSE | PDS | Thu, Apr 25, 2013 | 158.00 | 161.20 | 153.60 | 159.20 | 1881 | NYSE | PDS | Wed, Apr 24, 2013 | 155.20 | 160.20 | 154.80 | 156.40 | 1880 | NYSE | PDS | Tue, Apr 23, 2013 | 156.40 | 156.40 | 151.90 | 154.80 | 1879 | NYSE | PDS | Mon, Apr 22, 2013 | 151.00 | 156.20 | 149.60 | 155.60 | 1878 | NYSE | PDS | Fri, Apr 19, 2013 | 153.40 | 153.60 | 147.00 | 150.00 | 1877 | NYSE | PDS | Thu, Apr 18, 2013 | 150.00 | 154.40 | 145.80 | 152.40 | 1876 | NYSE | PDS | Wed, Apr 17, 2013 | 156.80 | 157.00 | 148.40 | 149.40 | 1875 | NYSE | PDS | Tue, Apr 16, 2013 | 161.40 | 163.00 | 158.00 | 159.80 | 1874 | NYSE | PDS | Mon, Apr 15, 2013 | 166.20 | 167.20 | 159.20 | 159.40 | 1873 | NYSE | PDS | Fri, Apr 12, 2013 | 172.00 | 172.00 | 167.20 | 169.40 | 1872 | NYSE | PDS | Thu, Apr 11, 2013 | 175.00 | 175.80 | 171.00 | 173.80 | 1871 | NYSE | PDS | Wed, Apr 10, 2013 | 170.80 | 174.00 | 170.60 | 174.00 | 1870 | NYSE | PDS | Tue, Apr 9, 2013 | 168.00 | 172.60 | 166.40 | 171.00 | 1869 | NYSE | PDS | Mon, Apr 8, 2013 | 169.00 | 170.80 | 166.40 | 167.60 | 1868 | NYSE | PDS | Fri, Apr 5, 2013 | 169.60 | 170.20 | 166.10 | 168.40 | 1867 | NYSE | PDS | Thu, Apr 4, 2013 | 175.00 | 175.80 | 170.60 | 173.00 | 1866 | NYSE | PDS | Wed, Apr 3, 2013 | 179.60 | 180.82 | 175.20 | 175.60 | 1865 | NYSE | PDS | Tue, Apr 2, 2013 | 182.80 | 185.00 | 179.20 | 180.00 | 1864 | NYSE | PDS | Mon, Apr 1, 2013 | 183.40 | 184.60 | 180.80 | 182.40 | 1863 | NYSE | PDS | Thu, Mar 28, 2013 | 183.40 | 185.60 | 182.57 | 184.60 | 1862 | NYSE | PDS | Wed, Mar 27, 2013 | 179.00 | 183.40 | 178.60 | 183.40 | 1861 | NYSE | PDS | Tue, Mar 26, 2013 | 176.00 | 182.30 | 176.00 | 180.60 | 1860 | NYSE | PDS | Mon, Mar 25, 2013 | 174.40 | 178.00 | 173.40 | 176.00 | 1859 | NYSE | PDS | Fri, Mar 22, 2013 | 173.20 | 175.60 | 172.40 | 173.00 | 1858 | NYSE | PDS | Thu, Mar 21, 2013 | 172.40 | 173.70 | 171.40 | 173.00 | 1857 | NYSE | PDS | Wed, Mar 20, 2013 | 175.00 | 177.00 | 170.00 | 173.40 | 1856 | NYSE | PDS | Tue, Mar 19, 2013 | 179.40 | 182.20 | 172.80 | 173.60 | 1855 | NYSE | PDS | Mon, Mar 18, 2013 | 177.20 | 182.90 | 177.00 | 181.60 | 1854 | NYSE | PDS | Fri, Mar 15, 2013 | 173.00 | 181.80 | 172.80 | 181.80 | 1853 | NYSE | PDS | Thu, Mar 14, 2013 | 169.20 | 172.50 | 167.60 | 172.40 | 1852 | NYSE | PDS | Wed, Mar 13, 2013 | 168.80 | 168.80 | 165.00 | 168.20 | 1851 | NYSE | PDS | Tue, Mar 12, 2013 | 167.60 | 170.10 | 167.20 | 168.60 | 1850 | NYSE | PDS | Mon, Mar 11, 2013 | 166.40 | 170.00 | 164.58 | 167.60 | 1849 | NYSE | PDS | Fri, Mar 8, 2013 | 171.00 | 171.40 | 166.20 | 166.20 | 1848 | NYSE | PDS | Thu, Mar 7, 2013 | 163.20 | 169.40 | 163.20 | 167.80 | 1847 | NYSE | PDS | Wed, Mar 6, 2013 | 161.40 | 163.80 | 160.60 | 163.00 | 1846 | NYSE | PDS | Tue, Mar 5, 2013 | 159.80 | 163.80 | 158.00 | 161.00 | 1845 | NYSE | PDS | Mon, Mar 4, 2013 | 162.40 | 162.80 | 156.20 | 159.20 | 1844 | NYSE | PDS | Fri, Mar 1, 2013 | 165.60 | 166.00 | 161.90 | 163.60 | 1843 | NYSE | PDS | Thu, Feb 28, 2013 | 165.20 | 169.00 | 163.40 | 166.80 | 1842 | NYSE | PDS | Wed, Feb 27, 2013 | 163.40 | 168.00 | 162.80 | 165.80 | 1841 | NYSE | PDS | Tue, Feb 26, 2013 | 168.40 | 168.40 | 160.40 | 164.20 | 1840 | NYSE | PDS | Mon, Feb 25, 2013 | 171.00 | 173.20 | 167.60 | 167.80 | 1839 | NYSE | PDS | Fri, Feb 22, 2013 | 169.00 | 170.40 | 166.20 | 169.60 | 1838 | NYSE | PDS | Thu, Feb 21, 2013 | 168.60 | 169.80 | 164.60 | 168.20 | 1837 | NYSE | PDS | Wed, Feb 20, 2013 | 179.00 | 180.80 | 169.80 | 170.80 | 1836 | NYSE | PDS | Tue, Feb 19, 2013 | 181.80 | 183.40 | 178.80 | 179.80 | 1835 | NYSE | PDS | Fri, Feb 15, 2013 | 183.80 | 186.60 | 180.80 | 182.00 | 1834 | NYSE | PDS | Thu, Feb 14, 2013 | 178.00 | 185.50 | 177.00 | 183.00 | 1833 | NYSE | PDS | Wed, Feb 13, 2013 | 176.60 | 180.00 | 175.80 | 179.80 | 1832 | NYSE | PDS | Tue, Feb 12, 2013 | 176.40 | 180.20 | 175.40 | 176.20 | 1831 | NYSE | PDS | Mon, Feb 11, 2013 | 180.80 | 180.80 | 175.80 | 176.80 | 1830 | NYSE | PDS | Fri, Feb 8, 2013 | 183.80 | 184.80 | 180.20 | 182.00 | 1829 | NYSE | PDS | Thu, Feb 7, 2013 | 181.80 | 185.20 | 181.80 | 183.60 | 1828 | NYSE | PDS | Wed, Feb 6, 2013 | 182.60 | 185.60 | 180.60 | 181.80 | 1827 | NYSE | PDS | Tue, Feb 5, 2013 | 182.60 | 185.20 | 182.60 | 184.00 | 1826 | NYSE | PDS | Mon, Feb 4, 2013 | 184.00 | 186.40 | 181.40 | 181.40 | 1825 | NYSE | PDS | Fri, Feb 1, 2013 | 183.80 | 188.20 | 182.80 | 186.40 | 1824 | NYSE | PDS | Thu, Jan 31, 2013 | 180.80 | 184.60 | 180.40 | 183.00 | 1823 | NYSE | PDS | Wed, Jan 30, 2013 | 182.40 | 184.20 | 179.60 | 181.00 | 1822 | NYSE | PDS | Tue, Jan 29, 2013 | 181.20 | 182.40 | 177.80 | 181.80 | 1821 | NYSE | PDS | Mon, Jan 28, 2013 | 186.80 | 187.00 | 180.00 | 180.40 | 1820 | NYSE | PDS | Fri, Jan 25, 2013 | 185.00 | 188.20 | 184.00 | 186.20 | 1819 | NYSE | PDS | Thu, Jan 24, 2013 | 184.20 | 188.40 | 183.20 | 184.20 | 1818 | NYSE | PDS | Wed, Jan 23, 2013 | 180.00 | 184.80 | 178.40 | 184.60 | 1817 | NYSE | PDS | Tue, Jan 22, 2013 | 175.40 | 181.00 | 173.40 | 180.80 | 1816 | NYSE | PDS | Fri, Jan 18, 2013 | 177.80 | 182.80 | 176.80 | 181.40 | 1815 | NYSE | PDS | Thu, Jan 17, 2013 | 175.20 | 178.20 | 173.60 | 178.00 | 1814 | NYSE | PDS | Wed, Jan 16, 2013 | 172.00 | 174.80 | 171.10 | 174.40 | 1813 | NYSE | PDS | Tue, Jan 15, 2013 | 165.60 | 173.60 | 164.20 | 173.60 | 1812 | NYSE | PDS | Mon, Jan 14, 2013 | 168.80 | 169.50 | 164.60 | 166.20 | 1811 | NYSE | PDS | Fri, Jan 11, 2013 | 170.60 | 172.60 | 168.80 | 169.20 | 1810 | NYSE | PDS | Thu, Jan 10, 2013 | 172.80 | 173.40 | 169.60 | 170.20 | 1809 | NYSE | PDS | Wed, Jan 9, 2013 | 175.60 | 176.80 | 168.40 | 170.80 | 1808 | NYSE | PDS | Tue, Jan 8, 2013 | 177.40 | 177.80 | 174.80 | 175.80 | 1807 | NYSE | PDS | Mon, Jan 7, 2013 | 174.80 | 177.00 | 173.00 | 176.40 | 1806 | NYSE | PDS | Fri, Jan 4, 2013 | 171.60 | 179.60 | 170.80 | 179.00 | 1805 | NYSE | PDS | Thu, Jan 3, 2013 | 171.20 | 174.80 | 168.60 | 172.20 | 1804 | NYSE | PDS | Wed, Jan 2, 2013 | 171.00 | 174.80 | 168.40 | 171.60 | 1803 | NYSE | PDS | Mon, Dec 31, 2012 | 156.60 | 166.70 | 156.60 | 165.60 | 1802 | NYSE | PDS | Fri, Dec 28, 2012 | 158.40 | 159.46 | 157.60 | 158.20 | 1801 | NYSE | PDS | Thu, Dec 27, 2012 | 158.40 | 160.80 | 156.60 | 160.20 | 1800 | NYSE | PDS | Wed, Dec 26, 2012 | 161.40 | 162.00 | 155.40 | 157.00 | 1799 | NYSE | PDS | Mon, Dec 24, 2012 | 160.80 | 161.60 | 158.20 | 160.80 | 1798 | NYSE | PDS | Fri, Dec 21, 2012 | 161.00 | 162.20 | 159.80 | 161.60 | 1797 | NYSE | PDS | Thu, Dec 20, 2012 | 168.20 | 168.40 | 164.60 | 165.60 | 1796 | NYSE | PDS | Wed, Dec 19, 2012 | 166.80 | 170.00 | 165.80 | 168.40 | 1795 | NYSE | PDS | Tue, Dec 18, 2012 | 160.80 | 165.80 | 159.60 | 165.80 | 1794 | NYSE | PDS | Mon, Dec 17, 2012 | 162.40 | 164.20 | 161.40 | 162.40 | 1793 | NYSE | PDS | Fri, Dec 14, 2012 | 158.20 | 162.20 | 156.60 | 162.00 | 1792 | NYSE | PDS | Thu, Dec 13, 2012 | 164.80 | 164.80 | 158.00 | 158.60 | 1791 | NYSE | PDS | Wed, Dec 12, 2012 | 165.20 | 170.00 | 163.80 | 164.00 | 1790 | NYSE | PDS | Tue, Dec 11, 2012 | 160.40 | 167.20 | 160.00 | 163.20 | 1789 | NYSE | PDS | Mon, Dec 10, 2012 | 147.60 | 157.40 | 147.00 | 156.80 | 1788 | NYSE | PDS | Fri, Dec 7, 2012 | 149.00 | 150.80 | 146.80 | 147.20 | 1787 | NYSE | PDS | Thu, Dec 6, 2012 | 150.00 | 152.60 | 147.80 | 148.40 | 1786 | NYSE | PDS | Wed, Dec 5, 2012 | 148.60 | 152.40 | 148.40 | 151.40 | 1785 | NYSE | PDS | Tue, Dec 4, 2012 | 149.20 | 150.60 | 147.60 | 148.80 | 1784 | NYSE | PDS | Mon, Dec 3, 2012 | 152.20 | 152.20 | 148.00 | 149.20 | 1783 | NYSE | PDS | Fri, Nov 30, 2012 | 146.00 | 152.00 | 145.80 | 151.20 | 1782 | NYSE | PDS | Thu, Nov 29, 2012 | 141.40 | 147.20 | 141.40 | 145.20 | 1781 | NYSE | PDS | Wed, Nov 28, 2012 | 135.80 | 141.00 | 135.80 | 140.60 | 1780 | NYSE | PDS | Tue, Nov 27, 2012 | 139.80 | 141.40 | 138.60 | 139.40 | 1779 | NYSE | PDS | Mon, Nov 26, 2012 | 144.00 | 144.00 | 139.90 | 140.20 | 1778 | NYSE | PDS | Fri, Nov 23, 2012 | 145.60 | 145.89 | 143.00 | 145.00 | 1777 | NYSE | PDS | Wed, Nov 21, 2012 | 143.80 | 144.60 | 142.60 | 144.60 | 1776 | NYSE | PDS | Tue, Nov 20, 2012 | 146.80 | 146.80 | 142.00 | 143.80 | 1775 | NYSE | PDS | Mon, Nov 19, 2012 | 138.20 | 147.60 | 137.90 | 147.60 | 1774 | NYSE | PDS | Fri, Nov 16, 2012 | 135.40 | 136.40 | 132.80 | 135.40 | 1773 | NYSE | PDS | Thu, Nov 15, 2012 | 136.80 | 138.60 | 133.60 | 135.40 | 1772 | NYSE | PDS | Wed, Nov 14, 2012 | 139.60 | 140.40 | 137.40 | 138.00 | 1771 | NYSE | PDS | Tue, Nov 13, 2012 | 138.40 | 141.60 | 137.20 | 139.40 | 1770 | NYSE | PDS | Mon, Nov 12, 2012 | 142.00 | 142.20 | 139.60 | 140.00 | 1769 | NYSE | PDS | Fri, Nov 9, 2012 | 138.60 | 142.60 | 136.54 | 140.80 | 1768 | NYSE | PDS | Thu, Nov 8, 2012 | 142.00 | 144.40 | 137.60 | 137.80 | 1767 | NYSE | PDS | Wed, Nov 7, 2012 | 146.80 | 146.80 | 141.20 | 141.80 | 1766 | NYSE | PDS | Tue, Nov 6, 2012 | 149.40 | 152.20 | 147.60 | 148.60 | 1765 | NYSE | PDS | Mon, Nov 5, 2012 | 149.20 | 154.20 | 148.40 | 151.40 | 1764 | NYSE | PDS | Fri, Nov 2, 2012 | 151.60 | 151.80 | 148.80 | 149.60 | 1763 | NYSE | PDS | Thu, Nov 1, 2012 | 143.20 | 152.00 | 143.20 | 151.60 | 1762 | NYSE | PDS | Wed, Oct 31, 2012 | 146.00 | 146.80 | 143.40 | 144.00 | 1761 | NYSE | PDS | Fri, Oct 26, 2012 | 148.60 | 150.60 | 145.40 | 145.60 | 1760 | NYSE | PDS | Thu, Oct 25, 2012 | 152.80 | 155.20 | 148.30 | 151.00 | 1759 | NYSE | PDS | Wed, Oct 24, 2012 | 155.40 | 157.20 | 151.20 | 151.20 | 1758 | NYSE | PDS | Tue, Oct 23, 2012 | 157.00 | 157.20 | 154.00 | 155.40 | 1757 | NYSE | PDS | Mon, Oct 22, 2012 | 159.80 | 161.80 | 157.80 | 160.00 | 1756 | NYSE | PDS | Fri, Oct 19, 2012 | 166.00 | 167.80 | 161.00 | 163.00 | 1755 | NYSE | PDS | Thu, Oct 18, 2012 | 167.80 | 169.80 | 166.00 | 166.60 | 1754 | NYSE | PDS | Wed, Oct 17, 2012 | 163.20 | 170.20 | 163.20 | 169.20 | 1753 | NYSE | PDS | Tue, Oct 16, 2012 | 160.20 | 163.40 | 159.60 | 162.40 | 1752 | NYSE | PDS | Mon, Oct 15, 2012 | 160.60 | 161.80 | 157.20 | 160.00 | 1751 | NYSE | PDS | Fri, Oct 12, 2012 | 160.40 | 161.80 | 157.60 | 161.60 | 1750 | NYSE | PDS | Thu, Oct 11, 2012 | 160.40 | 162.20 | 157.80 | 160.40 | 1749 | NYSE | PDS | Wed, Oct 10, 2012 | 159.00 | 161.80 | 157.00 | 158.40 | 1748 | NYSE | PDS | Tue, Oct 9, 2012 | 156.80 | 162.20 | 156.80 | 160.40 | 1747 | NYSE | PDS | Mon, Oct 8, 2012 | 154.80 | 157.60 | 153.60 | 156.20 | 1746 | NYSE | PDS | Fri, Oct 5, 2012 | 159.00 | 160.40 | 155.40 | 156.20 | 1745 | NYSE | PDS | Thu, Oct 4, 2012 | 157.80 | 163.00 | 157.20 | 159.60 | 1744 | NYSE | PDS | Wed, Oct 3, 2012 | 159.20 | 159.20 | 155.00 | 155.80 | 1743 | NYSE | PDS | Tue, Oct 2, 2012 | 157.60 | 161.40 | 153.40 | 159.80 | 1742 | NYSE | PDS | Mon, Oct 1, 2012 | 158.00 | 161.80 | 155.40 | 156.60 | 1741 | NYSE | PDS | Fri, Sep 28, 2012 | 158.40 | 158.80 | 154.60 | 156.80 | 1740 | NYSE | PDS | Thu, Sep 27, 2012 | 161.20 | 162.20 | 158.00 | 159.40 | 1739 | NYSE | PDS | Wed, Sep 26, 2012 | 163.20 | 163.40 | 157.00 | 159.00 | 1738 | NYSE | PDS | Tue, Sep 25, 2012 | 172.60 | 173.40 | 162.20 | 164.60 | 1737 | NYSE | PDS | Mon, Sep 24, 2012 | 177.40 | 177.40 | 170.40 | 171.40 | 1736 | NYSE | PDS | Fri, Sep 21, 2012 | 183.20 | 184.60 | 179.00 | 179.80 | 1735 | NYSE | PDS | Thu, Sep 20, 2012 | 174.00 | 181.20 | 172.00 | 179.20 | 1734 | NYSE | PDS | Wed, Sep 19, 2012 | 176.60 | 179.60 | 174.60 | 176.60 | 1733 | NYSE | PDS | Tue, Sep 18, 2012 | 178.80 | 179.80 | 175.20 | 177.80 | 1732 | NYSE | PDS | Mon, Sep 17, 2012 | 184.80 | 185.40 | 177.80 | 180.60 | 1731 | NYSE | PDS | Fri, Sep 14, 2012 | 183.60 | 192.00 | 183.60 | 185.80 | 1730 | NYSE | PDS | Thu, Sep 13, 2012 | 177.00 | 181.80 | 174.90 | 180.80 | 1729 | NYSE | PDS | Wed, Sep 12, 2012 | 175.20 | 176.40 | 172.40 | 173.60 | 1728 | NYSE | PDS | Tue, Sep 11, 2012 | 168.40 | 176.00 | 168.40 | 173.80 | 1727 | NYSE | PDS | Mon, Sep 10, 2012 | 165.80 | 172.00 | 164.80 | 167.80 | 1726 | NYSE | PDS | Fri, Sep 7, 2012 | 155.60 | 169.70 | 155.60 | 166.40 | 1725 | NYSE | PDS | Thu, Sep 6, 2012 | 153.00 | 158.80 | 152.50 | 156.40 | 1724 | NYSE | PDS | Wed, Sep 5, 2012 | 149.40 | 151.20 | 146.99 | 150.80 | 1723 | NYSE | PDS | Tue, Sep 4, 2012 | 149.00 | 149.68 | 146.20 | 148.80 | 1722 | NYSE | PDS | Fri, Aug 31, 2012 | 149.80 | 152.20 | 148.00 | 148.80 | 1721 | NYSE | PDS | Thu, Aug 30, 2012 | 153.60 | 154.40 | 147.40 | 148.00 | 1720 | NYSE | PDS | Wed, Aug 29, 2012 | 157.80 | 159.00 | 151.00 | 154.80 | 1719 | NYSE | PDS | Tue, Aug 28, 2012 | 158.80 | 160.00 | 156.60 | 157.80 | 1718 | NYSE | PDS | Mon, Aug 27, 2012 | 165.20 | 166.20 | 157.20 | 157.80 | 1717 | NYSE | PDS | Fri, Aug 24, 2012 | 167.20 | 167.60 | 162.40 | 165.00 | 1716 | NYSE | PDS | Thu, Aug 23, 2012 | 172.60 | 172.60 | 167.00 | 167.80 | 1715 | NYSE | PDS | Wed, Aug 22, 2012 | 173.80 | 175.00 | 168.80 | 173.00 | 1714 | NYSE | PDS | Tue, Aug 21, 2012 | 177.40 | 180.20 | 174.20 | 174.60 | 1713 | NYSE | PDS | Mon, Aug 20, 2012 | 173.80 | 177.40 | 172.40 | 176.20 | 1712 | NYSE | PDS | Fri, Aug 17, 2012 | 175.00 | 176.40 | 173.80 | 174.40 | 1711 | NYSE | PDS | Thu, Aug 16, 2012 | 173.80 | 176.40 | 173.18 | 175.60 | 1710 | NYSE | PDS | Wed, Aug 15, 2012 | 173.40 | 174.20 | 172.00 | 172.80 | 1709 | NYSE | PDS | Tue, Aug 14, 2012 | 172.40 | 175.80 | 171.20 | 173.60 | 1708 | NYSE | PDS | Mon, Aug 13, 2012 | 176.60 | 179.20 | 169.20 | 170.80 | 1707 | NYSE | PDS | Fri, Aug 10, 2012 | 174.40 | 178.60 | 171.80 | 178.00 | 1706 | NYSE | PDS | Thu, Aug 9, 2012 | 168.40 | 178.00 | 168.20 | 176.20 | 1705 | NYSE | PDS | Wed, Aug 8, 2012 | 169.60 | 172.40 | 167.60 | 169.00 | 1704 | NYSE | PDS | Tue, Aug 7, 2012 | 165.80 | 172.80 | 164.80 | 170.60 | 1703 | NYSE | PDS | Mon, Aug 6, 2012 | 161.00 | 167.80 | 160.40 | 167.00 | 1702 | NYSE | PDS | Fri, Aug 3, 2012 | 163.60 | 165.60 | 159.40 | 161.20 | 1701 | NYSE | PDS | Thu, Aug 2, 2012 | 162.60 | 166.40 | 158.20 | 159.40 | 1700 | NYSE | PDS | Wed, Aug 1, 2012 | 161.20 | 168.00 | 160.60 | 166.40 | 1699 | NYSE | PDS | Tue, Jul 31, 2012 | 162.00 | 165.60 | 159.60 | 159.80 | 1698 | NYSE | PDS | Mon, Jul 30, 2012 | 159.60 | 162.40 | 157.20 | 162.20 | 1697 | NYSE | PDS | Fri, Jul 27, 2012 | 158.20 | 161.80 | 156.00 | 159.20 | 1696 | NYSE | PDS | Thu, Jul 26, 2012 | 149.60 | 158.20 | 149.60 | 157.80 | 1695 | NYSE | PDS | Wed, Jul 25, 2012 | 148.80 | 152.00 | 143.00 | 146.60 | 1694 | NYSE | PDS | Tue, Jul 24, 2012 | 149.40 | 150.20 | 144.60 | 146.40 | 1693 | NYSE | PDS | Mon, Jul 23, 2012 | 148.00 | 149.80 | 144.60 | 149.00 | 1692 | NYSE | PDS | Fri, Jul 20, 2012 | 148.20 | 151.20 | 147.40 | 150.20 | 1691 | NYSE | PDS | Thu, Jul 19, 2012 | 144.60 | 154.00 | 144.00 | 150.60 | 1690 | NYSE | PDS | Wed, Jul 18, 2012 | 136.60 | 143.20 | 135.20 | 142.60 | 1689 | NYSE | PDS | Tue, Jul 17, 2012 | 130.20 | 138.00 | 128.60 | 137.20 | 1688 | NYSE | PDS | Mon, Jul 16, 2012 | 127.60 | 130.20 | 125.60 | 129.00 | 1687 | NYSE | PDS | Fri, Jul 13, 2012 | 128.80 | 129.40 | 125.65 | 127.80 | 1686 | NYSE | PDS | Thu, Jul 12, 2012 | 132.00 | 132.80 | 127.00 | 127.60 | 1685 | NYSE | PDS | Wed, Jul 11, 2012 | 132.20 | 135.40 | 132.00 | 134.40 | 1684 | NYSE | PDS | Tue, Jul 10, 2012 | 137.20 | 138.20 | 130.00 | 131.80 | 1683 | NYSE | PDS | Mon, Jul 9, 2012 | 136.60 | 138.70 | 134.40 | 136.40 | 1682 | NYSE | PDS | Fri, Jul 6, 2012 | 137.40 | 138.20 | 135.20 | 136.60 | 1681 | NYSE | PDS | Thu, Jul 5, 2012 | 139.60 | 141.80 | 136.60 | 140.40 | 1680 | NYSE | PDS | Tue, Jul 3, 2012 | 139.00 | 142.80 | 138.20 | 141.00 | 1679 | NYSE | PDS | Mon, Jul 2, 2012 | 135.40 | 137.40 | 132.80 | 136.80 | 1678 | NYSE | PDS | Fri, Jun 29, 2012 | 132.80 | 136.40 | 131.40 | 136.40 | 1677 | NYSE | PDS | Thu, Jun 28, 2012 | 123.80 | 126.40 | 121.60 | 125.60 | 1676 | NYSE | PDS | Wed, Jun 27, 2012 | 119.60 | 126.80 | 118.80 | 125.80 | 1675 | NYSE | PDS | Tue, Jun 26, 2012 | 120.60 | 121.00 | 116.40 | 117.20 | 1674 | NYSE | PDS | Mon, Jun 25, 2012 | 125.00 | 125.00 | 119.80 | 121.00 | 1673 | NYSE | PDS | Fri, Jun 22, 2012 | 129.40 | 129.60 | 125.00 | 126.20 | 1672 | NYSE | PDS | Thu, Jun 21, 2012 | 137.60 | 138.20 | 126.80 | 126.80 | 1671 | NYSE | PDS | Wed, Jun 20, 2012 | 140.20 | 141.20 | 136.00 | 137.80 | 1670 | NYSE | PDS | Tue, Jun 19, 2012 | 140.60 | 142.20 | 139.20 | 139.40 | 1669 | NYSE | PDS | Mon, Jun 18, 2012 | 143.20 | 143.20 | 138.20 | 138.80 | 1668 | NYSE | PDS | Fri, Jun 15, 2012 | 141.60 | 144.20 | 140.80 | 144.20 | 1667 | NYSE | PDS | Thu, Jun 14, 2012 | 142.40 | 145.50 | 138.60 | 141.00 | 1666 | NYSE | PDS | Wed, Jun 13, 2012 | 147.20 | 147.40 | 141.00 | 141.80 | 1665 | NYSE | PDS | Tue, Jun 12, 2012 | 148.00 | 150.00 | 146.80 | 148.60 | 1664 | NYSE | PDS | Mon, Jun 11, 2012 | 158.60 | 159.40 | 146.20 | 146.20 | 1663 | NYSE | PDS | Fri, Jun 8, 2012 | 155.80 | 157.80 | 152.80 | 155.20 | 1662 | NYSE | PDS | Thu, Jun 7, 2012 | 162.60 | 163.80 | 157.00 | 157.80 | 1661 | NYSE | PDS | Wed, Jun 6, 2012 | 155.60 | 161.00 | 155.00 | 158.60 | 1660 | NYSE | PDS | Tue, Jun 5, 2012 | 148.20 | 155.60 | 147.40 | 152.20 | 1659 | NYSE | PDS | Mon, Jun 4, 2012 | 152.40 | 152.40 | 143.20 | 148.60 | 1658 | NYSE | PDS | Fri, Jun 1, 2012 | 152.00 | 152.60 | 147.80 | 150.40 | 1657 | NYSE | PDS | Thu, May 31, 2012 | 154.40 | 155.60 | 148.00 | 154.60 | 1656 | NYSE | PDS | Wed, May 30, 2012 | 159.00 | 159.00 | 152.80 | 154.40 | 1655 | NYSE | PDS | Tue, May 29, 2012 | 164.80 | 167.60 | 162.20 | 163.60 | 1654 | NYSE | PDS | Fri, May 25, 2012 | 154.00 | 160.20 | 153.00 | 159.00 | 1653 | NYSE | PDS | Thu, May 24, 2012 | 157.40 | 161.20 | 151.00 | 154.00 | 1652 | NYSE | PDS | Wed, May 23, 2012 | 150.40 | 158.00 | 147.40 | 156.20 | 1651 | NYSE | PDS | Tue, May 22, 2012 | 153.00 | 154.80 | 150.40 | 152.20 | 1650 | NYSE | PDS | Mon, May 21, 2012 | 145.20 | 155.00 | 145.20 | 154.80 | 1649 | NYSE | PDS | Fri, May 18, 2012 | 148.40 | 150.40 | 143.80 | 144.80 | 1648 | NYSE | PDS | Thu, May 17, 2012 | 145.00 | 151.20 | 144.20 | 146.60 | 1647 | NYSE | PDS | Wed, May 16, 2012 | 149.40 | 154.00 | 144.20 | 144.80 | 1646 | NYSE | PDS | Tue, May 15, 2012 | 156.40 | 157.60 | 149.40 | 149.40 | 1645 | NYSE | PDS | Mon, May 14, 2012 | 161.80 | 161.80 | 156.80 | 157.00 | 1644 | NYSE | PDS | Fri, May 11, 2012 | 166.40 | 170.00 | 163.97 | 164.60 | 1643 | NYSE | PDS | Thu, May 10, 2012 | 169.60 | 174.20 | 166.80 | 167.00 | 1642 | NYSE | PDS | Wed, May 9, 2012 | 164.00 | 169.20 | 162.00 | 167.40 | 1641 | NYSE | PDS | Tue, May 8, 2012 | 170.80 | 170.80 | 161.70 | 168.40 | 1640 | NYSE | PDS | Mon, May 7, 2012 | 170.00 | 172.40 | 164.80 | 172.40 | 1639 | NYSE | PDS | Fri, May 4, 2012 | 176.00 | 176.80 | 168.70 | 171.60 | 1638 | NYSE | PDS | Thu, May 3, 2012 | 184.80 | 185.00 | 176.60 | 177.80 | 1637 | NYSE | PDS | Wed, May 2, 2012 | 187.20 | 187.20 | 183.60 | 184.80 | 1636 | NYSE | PDS | Tue, May 1, 2012 | 184.80 | 191.60 | 184.00 | 188.80 | 1635 | NYSE | PDS | Mon, Apr 30, 2012 | 185.00 | 185.20 | 180.80 | 184.80 | 1634 | NYSE | PDS | Fri, Apr 27, 2012 | 189.80 | 190.60 | 184.80 | 185.40 | 1633 | NYSE | PDS | Thu, Apr 26, 2012 | 193.20 | 195.40 | 188.60 | 189.80 | 1632 | NYSE | PDS | Wed, Apr 25, 2012 | 186.20 | 196.20 | 185.20 | 196.20 | 1631 | NYSE | PDS | Tue, Apr 24, 2012 | 182.80 | 185.40 | 180.40 | 184.40 | 1630 | NYSE | PDS | Mon, Apr 23, 2012 | 179.00 | 182.40 | 177.20 | 182.40 | 1629 | NYSE | PDS | Fri, Apr 20, 2012 | 184.60 | 186.80 | 183.20 | 183.80 | 1628 | NYSE | PDS | Thu, Apr 19, 2012 | 178.60 | 185.80 | 178.60 | 181.80 | 1627 | NYSE | PDS | Wed, Apr 18, 2012 | 179.80 | 183.80 | 177.40 | 178.60 | 1626 | NYSE | PDS | Tue, Apr 17, 2012 | 181.20 | 185.00 | 179.60 | 180.80 | 1625 | NYSE | PDS | Mon, Apr 16, 2012 | 183.60 | 185.60 | 176.80 | 177.00 | 1624 | NYSE | PDS | Fri, Apr 13, 2012 | 188.40 | 188.40 | 182.00 | 182.00 | 1623 | NYSE | PDS | Thu, Apr 12, 2012 | 179.60 | 190.20 | 179.20 | 190.00 | 1622 | NYSE | PDS | Wed, Apr 11, 2012 | 178.80 | 180.84 | 176.80 | 177.40 | 1621 | NYSE | PDS | Tue, Apr 10, 2012 | 184.80 | 186.80 | 175.80 | 176.40 | 1620 | NYSE | PDS | Mon, Apr 9, 2012 | 186.80 | 188.80 | 182.20 | 185.80 | 1619 | NYSE | PDS | Thu, Apr 5, 2012 | 190.40 | 194.80 | 189.60 | 190.60 | 1618 | NYSE | PDS | Wed, Apr 4, 2012 | 191.40 | 191.80 | 188.50 | 190.80 | 1617 | NYSE | PDS | Tue, Apr 3, 2012 | 199.80 | 199.80 | 192.00 | 194.20 | 1616 | NYSE | PDS | Mon, Apr 2, 2012 | 200.80 | 202.40 | 199.20 | 199.80 | 1615 | NYSE | PDS | Fri, Mar 30, 2012 | 194.40 | 201.40 | 192.40 | 200.60 | 1614 | NYSE | PDS | Thu, Mar 29, 2012 | 195.00 | 196.60 | 189.65 | 193.00 | 1613 | NYSE | PDS | Wed, Mar 28, 2012 | 200.60 | 201.80 | 192.20 | 193.80 | 1612 | NYSE | PDS | Tue, Mar 27, 2012 | 209.40 | 209.60 | 200.60 | 200.80 | 1611 | NYSE | PDS | Mon, Mar 26, 2012 | 210.00 | 211.00 | 207.20 | 208.20 | 1610 | NYSE | PDS | Fri, Mar 23, 2012 | 206.60 | 207.00 | 202.80 | 206.40 | 1609 | NYSE | PDS | Thu, Mar 22, 2012 | 207.60 | 211.00 | 202.20 | 206.00 | 1608 | NYSE | PDS | Wed, Mar 21, 2012 | 211.60 | 213.80 | 205.60 | 212.60 | 1607 | NYSE | PDS | Tue, Mar 20, 2012 | 212.00 | 214.40 | 208.60 | 214.00 | 1606 | NYSE | PDS | Mon, Mar 19, 2012 | 218.00 | 218.60 | 214.20 | 214.60 | 1605 | NYSE | PDS | Fri, Mar 16, 2012 | 219.20 | 220.00 | 217.00 | 217.80 | 1604 | NYSE | PDS | Thu, Mar 15, 2012 | 220.40 | 221.00 | 215.20 | 217.60 | 1603 | NYSE | PDS | Wed, Mar 14, 2012 | 228.20 | 228.20 | 218.20 | 220.40 | 1602 | NYSE | PDS | Tue, Mar 13, 2012 | 228.20 | 232.20 | 224.00 | 228.40 | 1601 | NYSE | PDS | Mon, Mar 12, 2012 | 234.80 | 236.40 | 226.40 | 227.00 | 1600 | NYSE | PDS | Fri, Mar 9, 2012 | 239.00 | 239.60 | 234.46 | 235.20 | 1599 | NYSE | PDS | Thu, Mar 8, 2012 | 239.00 | 239.60 | 236.40 | 238.00 | 1598 | NYSE | PDS | Wed, Mar 7, 2012 | 231.20 | 237.40 | 230.00 | 234.80 | 1597 | NYSE | PDS | Tue, Mar 6, 2012 | 240.00 | 240.00 | 228.40 | 230.00 | 1596 | NYSE | PDS | Mon, Mar 5, 2012 | 250.60 | 250.60 | 243.40 | 244.60 | 1595 | NYSE | PDS | Fri, Mar 2, 2012 | 254.60 | 255.80 | 247.00 | 253.00 | 1594 | NYSE | PDS | Thu, Mar 1, 2012 | 242.40 | 257.80 | 242.00 | 256.00 | 1593 | NYSE | PDS | Wed, Feb 29, 2012 | 245.60 | 247.40 | 240.00 | 242.20 | 1592 | NYSE | PDS | Tue, Feb 28, 2012 | 243.20 | 245.00 | 240.80 | 243.80 | 1591 | NYSE | PDS | Mon, Feb 27, 2012 | 244.00 | 244.00 | 237.20 | 242.20 | 1590 | NYSE | PDS | Fri, Feb 24, 2012 | 245.00 | 246.80 | 243.00 | 243.40 | 1589 | NYSE | PDS | Thu, Feb 23, 2012 | 242.40 | 247.80 | 240.00 | 243.00 | 1588 | NYSE | PDS | Wed, Feb 22, 2012 | 239.40 | 242.80 | 236.20 | 241.20 | 1587 | NYSE | PDS | Tue, Feb 21, 2012 | 238.20 | 241.60 | 235.20 | 239.60 | 1586 | NYSE | PDS | Fri, Feb 17, 2012 | 229.60 | 235.80 | 229.40 | 235.40 | 1585 | NYSE | PDS | Thu, Feb 16, 2012 | 224.00 | 232.40 | 221.00 | 228.80 | 1584 | NYSE | PDS | Wed, Feb 15, 2012 | 224.80 | 226.20 | 218.70 | 226.20 | 1583 | NYSE | PDS | Tue, Feb 14, 2012 | 225.80 | 228.00 | 220.00 | 223.60 | 1582 | NYSE | PDS | Mon, Feb 13, 2012 | 227.40 | 230.00 | 224.20 | 226.20 | 1581 | NYSE | PDS | Fri, Feb 10, 2012 | 221.00 | 230.60 | 220.80 | 225.80 | 1580 | NYSE | PDS | Thu, Feb 9, 2012 | 232.40 | 237.20 | 223.60 | 228.40 | 1579 | NYSE | PDS | Wed, Feb 8, 2012 | 226.40 | 228.40 | 220.80 | 227.00 | 1578 | NYSE | PDS | Tue, Feb 7, 2012 | 219.80 | 226.60 | 217.20 | 225.60 | 1577 | NYSE | PDS | Mon, Feb 6, 2012 | 214.80 | 221.80 | 212.40 | 221.20 | 1576 | NYSE | PDS | Fri, Feb 3, 2012 | 216.40 | 218.60 | 212.80 | 218.40 | 1575 | NYSE | PDS | Thu, Feb 2, 2012 | 207.60 | 214.20 | 205.80 | 213.40 | 1574 | NYSE | PDS | Wed, Feb 1, 2012 | 207.40 | 210.60 | 206.00 | 208.00 | 1573 | NYSE | PDS | Tue, Jan 31, 2012 | 200.60 | 205.20 | 199.40 | 204.40 | 1572 | NYSE | PDS | Mon, Jan 30, 2012 | 196.40 | 201.20 | 195.60 | 200.00 | 1571 | NYSE | PDS | Fri, Jan 27, 2012 | 196.60 | 201.00 | 196.60 | 199.60 | 1570 | NYSE | PDS | Thu, Jan 26, 2012 | 205.80 | 207.40 | 196.40 | 197.20 | 1569 | NYSE | PDS | Wed, Jan 25, 2012 | 197.40 | 204.00 | 192.60 | 203.60 | 1568 | NYSE | PDS | Tue, Jan 24, 2012 | 189.80 | 197.00 | 185.40 | 196.60 | 1567 | NYSE | PDS | Mon, Jan 23, 2012 | 195.60 | 197.00 | 190.80 | 191.60 | 1566 | NYSE | PDS | Fri, Jan 20, 2012 | 195.00 | 196.20 | 192.00 | 194.20 | 1565 | NYSE | PDS | Thu, Jan 19, 2012 | 196.20 | 198.60 | 194.40 | 195.20 | 1564 | NYSE | PDS | Wed, Jan 18, 2012 | 188.40 | 197.00 | 188.40 | 193.80 | 1563 | NYSE | PDS | Tue, Jan 17, 2012 | 200.00 | 200.20 | 187.00 | 187.60 | 1562 | NYSE | PDS | Fri, Jan 13, 2012 | 195.60 | 197.00 | 191.00 | 193.80 | 1561 | NYSE | PDS | Thu, Jan 12, 2012 | 211.00 | 211.60 | 196.60 | 197.20 | 1560 | NYSE | PDS | Wed, Jan 11, 2012 | 225.00 | 225.20 | 207.80 | 208.60 | 1559 | NYSE | PDS | Tue, Jan 10, 2012 | 222.40 | 229.05 | 221.80 | 225.00 | 1558 | NYSE | PDS | Mon, Jan 9, 2012 | 216.40 | 220.00 | 215.40 | 216.60 | 1557 | NYSE | PDS | Fri, Jan 6, 2012 | 214.20 | 215.80 | 210.80 | 214.40 | 1556 | NYSE | PDS | Thu, Jan 5, 2012 | 211.00 | 216.20 | 207.40 | 213.60 | 1555 | NYSE | PDS | Wed, Jan 4, 2012 | 218.20 | 218.90 | 211.00 | 212.80 | 1554 | NYSE | PDS | Tue, Jan 3, 2012 | 212.00 | 220.60 | 211.80 | 219.00 | 1553 | NYSE | PDS | Fri, Dec 30, 2011 | 205.60 | 208.40 | 204.40 | 205.20 | 1552 | NYSE | PDS | Thu, Dec 29, 2011 | 202.00 | 208.00 | 201.80 | 206.20 | 1551 | NYSE | PDS | Wed, Dec 28, 2011 | 212.20 | 213.00 | 202.20 | 203.00 | 1550 | NYSE | PDS | Tue, Dec 27, 2011 | 208.80 | 213.40 | 208.40 | 211.20 | 1549 | NYSE | PDS | Fri, Dec 23, 2011 | 206.20 | 212.60 | 205.60 | 211.40 | 1548 | NYSE | PDS | Thu, Dec 22, 2011 | 204.80 | 207.60 | 202.20 | 205.40 | 1547 | NYSE | PDS | Wed, Dec 21, 2011 | 202.40 | 204.00 | 196.00 | 203.40 | 1546 | NYSE | PDS | Tue, Dec 20, 2011 | 193.20 | 203.20 | 193.20 | 201.80 | 1545 | NYSE | PDS | Mon, Dec 19, 2011 | 194.00 | 194.80 | 185.00 | 186.60 | 1544 | NYSE | PDS | Fri, Dec 16, 2011 | 191.00 | 192.70 | 188.00 | 191.80 | 1543 | NYSE | PDS | Thu, Dec 15, 2011 | 191.60 | 195.40 | 187.00 | 187.60 | 1542 | NYSE | PDS | Wed, Dec 14, 2011 | 195.20 | 196.60 | 184.70 | 186.40 | 1541 | NYSE | PDS | Tue, Dec 13, 2011 | 208.40 | 211.20 | 197.60 | 199.20 | 1540 | NYSE | PDS | Mon, Dec 12, 2011 | 211.60 | 213.20 | 200.80 | 205.60 | 1539 | NYSE | PDS | Fri, Dec 9, 2011 | 207.00 | 219.80 | 207.00 | 219.20 | 1538 | NYSE | PDS | Thu, Dec 8, 2011 | 216.40 | 218.00 | 205.60 | 206.20 | 1537 | NYSE | PDS | Wed, Dec 7, 2011 | 219.60 | 221.80 | 212.60 | 218.80 | 1536 | NYSE | PDS | Tue, Dec 6, 2011 | 229.00 | 232.00 | 221.40 | 222.80 | 1535 | NYSE | PDS | Mon, Dec 5, 2011 | 238.80 | 241.80 | 229.20 | 231.20 | 1534 | NYSE | PDS | Fri, Dec 2, 2011 | 232.00 | 234.00 | 225.80 | 232.40 | 1533 | NYSE | PDS | Thu, Dec 1, 2011 | 231.60 | 234.40 | 225.20 | 228.60 | 1532 | NYSE | PDS | Wed, Nov 30, 2011 | 228.00 | 231.20 | 223.40 | 231.00 | 1531 | NYSE | PDS | Tue, Nov 29, 2011 | 212.20 | 215.00 | 208.80 | 212.20 | 1530 | NYSE | PDS | Mon, Nov 28, 2011 | 208.60 | 214.00 | 207.40 | 211.40 | 1529 | NYSE | PDS | Fri, Nov 25, 2011 | 196.20 | 202.60 | 195.60 | 196.80 | 1528 | NYSE | PDS | Wed, Nov 23, 2011 | 207.20 | 207.20 | 198.40 | 200.00 | 1527 | NYSE | PDS | Tue, Nov 22, 2011 | 213.00 | 214.40 | 209.00 | 211.00 | 1526 | NYSE | PDS | Mon, Nov 21, 2011 | 216.60 | 217.80 | 207.20 | 213.60 | 1525 | NYSE | PDS | Fri, Nov 18, 2011 | 226.20 | 229.80 | 219.80 | 225.40 | 1524 | NYSE | PDS | Thu, Nov 17, 2011 | 239.80 | 244.21 | 219.20 | 222.20 | 1523 | NYSE | PDS | Wed, Nov 16, 2011 | 234.00 | 245.00 | 234.00 | 241.40 | 1522 | NYSE | PDS | Tue, Nov 15, 2011 | 232.60 | 239.00 | 229.40 | 237.40 | 1521 | NYSE | PDS | Mon, Nov 14, 2011 | 236.40 | 241.40 | 232.40 | 235.80 | 1520 | NYSE | PDS | Fri, Nov 11, 2011 | 232.60 | 239.00 | 230.20 | 238.80 | 1519 | NYSE | PDS | Thu, Nov 10, 2011 | 231.00 | 232.40 | 221.80 | 229.20 | 1518 | NYSE | PDS | Wed, Nov 9, 2011 | 231.40 | 234.70 | 224.60 | 225.40 | 1517 | NYSE | PDS | Tue, Nov 8, 2011 | 233.60 | 242.00 | 231.60 | 242.00 | 1516 | NYSE | PDS | Mon, Nov 7, 2011 | 228.20 | 232.20 | 224.20 | 231.00 | 1515 | NYSE | PDS | Fri, Nov 4, 2011 | 228.40 | 231.60 | 221.20 | 227.20 | 1514 | NYSE | PDS | Thu, Nov 3, 2011 | 230.20 | 235.20 | 221.60 | 229.80 | 1513 | NYSE | PDS | Wed, Nov 2, 2011 | 231.00 | 234.20 | 221.50 | 228.40 | 1512 | NYSE | PDS | Tue, Nov 1, 2011 | 212.40 | 225.60 | 206.20 | 222.00 | 1511 | NYSE | PDS | Mon, Oct 31, 2011 | 247.60 | 251.60 | 231.00 | 231.40 | 1510 | NYSE | PDS | Fri, Oct 28, 2011 | 252.00 | 258.60 | 249.20 | 251.80 | 1509 | NYSE | PDS | Thu, Oct 27, 2011 | 247.20 | 257.60 | 247.00 | 253.60 | 1508 | NYSE | PDS | Wed, Oct 26, 2011 | 236.80 | 242.00 | 226.00 | 236.60 | 1507 | NYSE | PDS | Tue, Oct 25, 2011 | 236.40 | 240.80 | 228.00 | 233.00 | 1506 | NYSE | PDS | Mon, Oct 24, 2011 | 223.00 | 238.40 | 221.20 | 237.40 | 1505 | NYSE | PDS | Fri, Oct 21, 2011 | 239.40 | 241.40 | 216.60 | 219.40 | 1504 | NYSE | PDS | Thu, Oct 20, 2011 | 223.20 | 227.40 | 213.60 | 227.20 | 1503 | NYSE | PDS | Wed, Oct 19, 2011 | 235.00 | 235.80 | 220.40 | 223.20 | 1502 | NYSE | PDS | Tue, Oct 18, 2011 | 216.00 | 236.60 | 211.60 | 234.60 | 1501 | NYSE | PDS | Mon, Oct 17, 2011 | 222.00 | 223.60 | 212.40 | 216.60 | 1500 | NYSE | PDS | Fri, Oct 14, 2011 | 221.60 | 226.20 | 214.22 | 221.60 | 1499 | NYSE | PDS | Thu, Oct 13, 2011 | 211.80 | 214.00 | 200.60 | 211.00 | 1498 | NYSE | PDS | Wed, Oct 12, 2011 | 207.20 | 218.00 | 206.00 | 213.60 | 1497 | NYSE | PDS | Tue, Oct 11, 2011 | 192.20 | 202.80 | 190.40 | 201.40 | 1496 | NYSE | PDS | Mon, Oct 10, 2011 | 189.20 | 199.20 | 189.20 | 192.20 | 1495 | NYSE | PDS | Fri, Oct 7, 2011 | 195.80 | 201.80 | 184.00 | 184.80 | 1494 | NYSE | PDS | Thu, Oct 6, 2011 | 181.60 | 197.00 | 181.00 | 187.60 | 1493 | NYSE | PDS | Wed, Oct 5, 2011 | 174.80 | 182.20 | 167.60 | 182.00 | 1492 | NYSE | PDS | Tue, Oct 4, 2011 | 154.00 | 172.80 | 150.40 | 172.00 | 1491 | NYSE | PDS | Mon, Oct 3, 2011 | 164.20 | 164.20 | 153.40 | 157.60 | 1490 | NYSE | PDS | Fri, Sep 30, 2011 | 175.00 | 175.40 | 165.19 | 165.80 | 1489 | NYSE | PDS | Thu, Sep 29, 2011 | 189.20 | 191.80 | 175.40 | 180.80 | 1488 | NYSE | PDS | Wed, Sep 28, 2011 | 192.20 | 197.20 | 181.40 | 181.40 | 1487 | NYSE | PDS | Tue, Sep 27, 2011 | 202.80 | 209.40 | 191.80 | 192.00 | 1486 | NYSE | PDS | Mon, Sep 26, 2011 | 190.60 | 193.40 | 177.00 | 193.20 | 1485 | NYSE | PDS | Fri, Sep 23, 2011 | 194.60 | 197.40 | 187.80 | 188.20 | 1484 | NYSE | PDS | Thu, Sep 22, 2011 | 196.40 | 203.00 | 188.00 | 193.80 | 1483 | NYSE | PDS | Wed, Sep 21, 2011 | 230.80 | 232.40 | 215.00 | 215.40 | 1482 | NYSE | PDS | Tue, Sep 20, 2011 | 232.00 | 235.20 | 230.00 | 232.00 | 1481 | NYSE | PDS | Mon, Sep 19, 2011 | 236.60 | 236.60 | 226.20 | 229.80 | 1480 | NYSE | PDS | Fri, Sep 16, 2011 | 245.20 | 245.20 | 238.00 | 239.40 | 1479 | NYSE | PDS | Thu, Sep 15, 2011 | 239.40 | 244.60 | 239.20 | 243.80 | 1478 | NYSE | PDS | Wed, Sep 14, 2011 | 243.40 | 245.40 | 235.60 | 236.80 | 1477 | NYSE | PDS | Tue, Sep 13, 2011 | 235.80 | 246.20 | 232.80 | 240.80 | 1476 | NYSE | PDS | Mon, Sep 12, 2011 | 235.00 | 237.60 | 227.80 | 233.80 | 1475 | NYSE | PDS | Fri, Sep 9, 2011 | 255.20 | 256.00 | 236.20 | 238.60 | 1474 | NYSE | PDS | Thu, Sep 8, 2011 | 264.60 | 268.20 | 256.80 | 258.40 | 1473 | NYSE | PDS | Wed, Sep 7, 2011 | 257.40 | 267.00 | 256.00 | 266.60 | 1472 | NYSE | PDS | Tue, Sep 6, 2011 | 251.40 | 253.80 | 244.20 | 249.80 | 1471 | NYSE | PDS | Fri, Sep 2, 2011 | 268.80 | 271.60 | 258.90 | 263.60 | 1470 | NYSE | PDS | Thu, Sep 1, 2011 | 280.60 | 287.20 | 278.80 | 280.00 | 1469 | NYSE | PDS | Wed, Aug 31, 2011 | 277.20 | 282.80 | 271.40 | 278.20 | 1468 | NYSE | PDS | Tue, Aug 30, 2011 | 269.60 | 275.00 | 266.20 | 273.40 | 1467 | NYSE | PDS | Mon, Aug 29, 2011 | 262.20 | 270.20 | 258.80 | 270.00 | 1466 | NYSE | PDS | Fri, Aug 26, 2011 | 242.40 | 258.60 | 237.80 | 253.80 | 1465 | NYSE | PDS | Thu, Aug 25, 2011 | 246.00 | 247.60 | 239.40 | 241.80 | 1464 | NYSE | PDS | Wed, Aug 24, 2011 | 247.00 | 247.20 | 236.80 | 243.40 | 1463 | NYSE | PDS | Tue, Aug 23, 2011 | 231.60 | 246.20 | 227.40 | 246.00 | 1462 | NYSE | PDS | Mon, Aug 22, 2011 | 244.80 | 244.80 | 225.40 | 229.60 | 1461 | NYSE | PDS | Fri, Aug 19, 2011 | 245.40 | 252.20 | 233.00 | 234.80 | 1460 | NYSE | PDS | Thu, Aug 18, 2011 | 269.60 | 269.60 | 246.80 | 250.40 | 1459 | NYSE | PDS | Wed, Aug 17, 2011 | 286.20 | 289.60 | 280.60 | 281.00 | 1458 | NYSE | PDS | Tue, Aug 16, 2011 | 293.00 | 293.00 | 276.80 | 279.40 | 1457 | NYSE | PDS | Mon, Aug 15, 2011 | 289.40 | 296.20 | 288.60 | 295.40 | 1456 | NYSE | PDS | Fri, Aug 12, 2011 | 283.80 | 288.00 | 276.80 | 284.00 | 1455 | NYSE | PDS | Thu, Aug 11, 2011 | 265.40 | 284.60 | 263.80 | 279.60 | 1454 | NYSE | PDS | Wed, Aug 10, 2011 | 255.60 | 278.60 | 254.80 | 264.40 | 1453 | NYSE | PDS | Tue, Aug 9, 2011 | 247.60 | 263.00 | 241.80 | 263.00 | 1452 | NYSE | PDS | Mon, Aug 8, 2011 | 265.00 | 269.80 | 241.60 | 242.40 | 1451 | NYSE | PDS | Fri, Aug 5, 2011 | 303.60 | 307.00 | 268.00 | 284.80 | 1450 | NYSE | PDS | Thu, Aug 4, 2011 | 329.20 | 329.20 | 299.60 | 302.60 | 1449 | NYSE | PDS | Wed, Aug 3, 2011 | 327.00 | 337.20 | 321.20 | 335.00 | 1448 | NYSE | PDS | Tue, Aug 2, 2011 | 337.60 | 343.20 | 325.40 | 325.60 | 1447 | NYSE | PDS | Mon, Aug 1, 2011 | 353.20 | 356.98 | 336.80 | 340.00 | 1446 | NYSE | PDS | Fri, Jul 29, 2011 | 345.00 | 349.80 | 340.00 | 344.60 | 1445 | NYSE | PDS | Thu, Jul 28, 2011 | 346.00 | 357.80 | 345.80 | 350.00 | 1444 | NYSE | PDS | Wed, Jul 27, 2011 | 353.60 | 358.40 | 347.60 | 348.00 | 1443 | NYSE | PDS | Tue, Jul 26, 2011 | 359.20 | 362.20 | 353.60 | 356.40 | 1442 | NYSE | PDS | Mon, Jul 25, 2011 | 344.20 | 363.60 | 344.20 | 357.80 | 1441 | NYSE | PDS | Fri, Jul 22, 2011 | 329.80 | 352.20 | 324.60 | 352.00 | 1440 | NYSE | PDS | Thu, Jul 21, 2011 | 325.20 | 330.20 | 323.60 | 327.40 | 1439 | NYSE | PDS | Wed, Jul 20, 2011 | 311.20 | 321.20 | 311.20 | 320.80 | 1438 | NYSE | PDS | Tue, Jul 19, 2011 | 309.20 | 315.20 | 308.00 | 311.00 | 1437 | NYSE | PDS | Mon, Jul 18, 2011 | 301.60 | 310.20 | 301.20 | 305.20 | 1436 | NYSE | PDS | Fri, Jul 15, 2011 | 289.80 | 304.40 | 289.60 | 304.00 | 1435 | NYSE | PDS | Thu, Jul 14, 2011 | 287.40 | 292.80 | 285.00 | 286.60 | 1434 | NYSE | PDS | Wed, Jul 13, 2011 | 282.40 | 292.60 | 281.80 | 285.40 | 1433 | NYSE | PDS | Tue, Jul 12, 2011 | 277.80 | 283.60 | 275.60 | 281.60 | 1432 | NYSE | PDS | Mon, Jul 11, 2011 | 283.60 | 285.60 | 276.80 | 279.80 | 1431 | NYSE | PDS | Fri, Jul 8, 2011 | 284.60 | 289.60 | 280.00 | 289.40 | 1430 | NYSE | PDS | Thu, Jul 7, 2011 | 296.00 | 297.00 | 288.90 | 289.80 | 1429 | NYSE | PDS | Wed, Jul 6, 2011 | 293.80 | 295.00 | 288.80 | 290.40 | 1428 | NYSE | PDS | Tue, Jul 5, 2011 | 288.40 | 294.80 | 287.60 | 294.80 | 1427 | NYSE | PDS | Fri, Jul 1, 2011 | 286.80 | 291.60 | 281.87 | 291.20 | 1426 | NYSE | PDS | Thu, Jun 30, 2011 | 276.20 | 288.00 | 276.20 | 287.20 | 1425 | NYSE | PDS | Wed, Jun 29, 2011 | 275.20 | 279.60 | 269.00 | 275.00 | 1424 | NYSE | PDS | Tue, Jun 28, 2011 | 271.00 | 272.60 | 262.40 | 271.60 | 1423 | NYSE | PDS | Mon, Jun 27, 2011 | 266.60 | 269.80 | 264.00 | 269.40 | 1422 | NYSE | PDS | Fri, Jun 24, 2011 | 274.00 | 277.00 | 266.60 | 269.00 | 1421 | NYSE | PDS | Thu, Jun 23, 2011 | 266.80 | 272.80 | 260.60 | 272.80 | 1420 | NYSE | PDS | Wed, Jun 22, 2011 | 266.60 | 278.80 | 266.60 | 274.00 | 1419 | NYSE | PDS | Tue, Jun 21, 2011 | 259.20 | 270.00 | 259.00 | 268.80 | 1418 | NYSE | PDS | Mon, Jun 20, 2011 | 256.20 | 261.80 | 253.80 | 257.60 | 1417 | NYSE | PDS | Fri, Jun 17, 2011 | 263.40 | 264.40 | 254.40 | 257.00 | 1416 | NYSE | PDS | Thu, Jun 16, 2011 | 263.40 | 265.80 | 258.20 | 261.20 | 1415 | NYSE | PDS | Wed, Jun 15, 2011 | 271.40 | 274.00 | 263.40 | 265.80 | 1414 | NYSE | PDS | Tue, Jun 14, 2011 | 268.00 | 277.40 | 267.60 | 275.20 | 1413 | NYSE | PDS | Mon, Jun 13, 2011 | 272.20 | 274.20 | 261.80 | 265.40 | 1412 | NYSE | PDS | Fri, Jun 10, 2011 | 285.60 | 285.60 | 273.60 | 274.20 | 1411 | NYSE | PDS | Thu, Jun 9, 2011 | 279.80 | 287.60 | 276.20 | 284.60 | 1410 | NYSE | PDS | Wed, Jun 8, 2011 | 287.00 | 287.00 | 278.80 | 279.20 | 1409 | NYSE | PDS | Tue, Jun 7, 2011 | 298.20 | 299.00 | 287.60 | 288.00 | 1408 | NYSE | PDS | Mon, Jun 6, 2011 | 301.20 | 304.80 | 295.00 | 295.80 | 1407 | NYSE | PDS | Fri, Jun 3, 2011 | 298.00 | 304.50 | 293.40 | 301.40 | 1406 | NYSE | PDS | Thu, Jun 2, 2011 | 300.00 | 306.22 | 298.80 | 302.80 | 1405 | NYSE | PDS | Wed, Jun 1, 2011 | 309.20 | 311.00 | 297.00 | 297.80 | 1404 | NYSE | PDS | Tue, May 31, 2011 | 304.60 | 312.20 | 300.20 | 310.40 | 1403 | NYSE | PDS | Fri, May 27, 2011 | 293.80 | 298.40 | 292.60 | 295.60 | 1402 | NYSE | PDS | Thu, May 26, 2011 | 291.20 | 293.60 | 285.00 | 292.60 | 1401 | NYSE | PDS | Wed, May 25, 2011 | 284.40 | 295.20 | 284.40 | 293.00 | 1400 | NYSE | PDS | Tue, May 24, 2011 | 283.60 | 291.00 | 280.20 | 287.80 | 1399 | NYSE | PDS | Mon, May 23, 2011 | 280.80 | 281.40 | 275.60 | 279.20 | 1398 | NYSE | PDS | Fri, May 20, 2011 | 285.20 | 289.80 | 282.40 | 287.00 | 1397 | NYSE | PDS | Thu, May 19, 2011 | 286.20 | 292.40 | 284.40 | 287.40 | 1396 | NYSE | PDS | Wed, May 18, 2011 | 277.60 | 288.00 | 277.60 | 285.60 | 1395 | NYSE | PDS | Tue, May 17, 2011 | 276.80 | 283.60 | 273.40 | 275.60 | 1394 | NYSE | PDS | Mon, May 16, 2011 | 280.20 | 288.00 | 278.40 | 279.20 | 1393 | NYSE | PDS | Fri, May 13, 2011 | 282.20 | 289.60 | 280.40 | 286.20 | 1392 | NYSE | PDS | Thu, May 12, 2011 | 282.80 | 285.00 | 276.20 | 280.00 | 1391 | NYSE | PDS | Wed, May 11, 2011 | 290.00 | 290.00 | 277.60 | 278.40 | 1390 | NYSE | PDS | Tue, May 10, 2011 | 288.40 | 291.20 | 285.20 | 289.40 | 1389 | NYSE | PDS | Mon, May 9, 2011 | 278.20 | 288.40 | 278.20 | 287.00 | 1388 | NYSE | PDS | Fri, May 6, 2011 | 273.80 | 285.80 | 273.00 | 276.40 | 1387 | NYSE | PDS | Thu, May 5, 2011 | 279.60 | 281.20 | 268.40 | 271.60 | 1386 | NYSE | PDS | Wed, May 4, 2011 | 286.80 | 287.80 | 276.80 | 282.20 | 1385 | NYSE | PDS | Tue, May 3, 2011 | 298.80 | 299.60 | 287.00 | 289.80 | 1384 | NYSE | PDS | Mon, May 2, 2011 | 301.40 | 306.60 | 297.20 | 300.20 | 1383 | NYSE | PDS | Fri, Apr 29, 2011 | 299.80 | 303.60 | 298.40 | 302.80 | 1382 | NYSE | PDS | Thu, Apr 28, 2011 | 299.80 | 302.60 | 295.00 | 300.80 | 1381 | NYSE | PDS | Wed, Apr 27, 2011 | 305.90 | 308.80 | 297.80 | 299.60 | 1380 | NYSE | PDS | Tue, Apr 26, 2011 | 305.40 | 309.80 | 300.80 | 305.60 | 1379 | NYSE | PDS | Mon, Apr 25, 2011 | 310.00 | 313.20 | 307.80 | 310.80 | 1378 | NYSE | PDS | Thu, Apr 21, 2011 | 305.60 | 310.40 | 302.60 | 309.20 | 1377 | NYSE | PDS | Wed, Apr 20, 2011 | 302.60 | 311.80 | 301.60 | 305.60 | 1376 | NYSE | PDS | Tue, Apr 19, 2011 | 287.40 | 297.60 | 287.40 | 297.00 | 1375 | NYSE | PDS | Mon, Apr 18, 2011 | 290.80 | 290.80 | 277.00 | 287.20 | 1374 | NYSE | PDS | Fri, Apr 15, 2011 | 285.40 | 294.80 | 285.20 | 291.80 | 1373 | NYSE | PDS | Thu, Apr 14, 2011 | 282.40 | 285.80 | 280.20 | 284.80 | 1372 | NYSE | PDS | Wed, Apr 13, 2011 | 278.60 | 290.00 | 276.80 | 284.00 | 1371 | NYSE | PDS | Tue, Apr 12, 2011 | 293.40 | 293.80 | 271.60 | 274.20 | 1370 | NYSE | PDS | Mon, Apr 11, 2011 | 301.00 | 304.60 | 295.22 | 299.20 | 1369 | NYSE | PDS | Fri, Apr 8, 2011 | 292.60 | 303.40 | 292.60 | 301.20 | 1368 | NYSE | PDS | Thu, Apr 7, 2011 | 284.60 | 290.00 | 284.00 | 289.40 | 1367 | NYSE | PDS | Wed, Apr 6, 2011 | 288.80 | 289.40 | 279.80 | 281.60 | 1366 | NYSE | PDS | Tue, Apr 5, 2011 | 285.80 | 288.00 | 284.00 | 284.60 | 1365 | NYSE | PDS | Mon, Apr 4, 2011 | 281.00 | 286.40 | 280.60 | 285.80 | 1364 | NYSE | PDS | Fri, Apr 1, 2011 | 272.60 | 280.40 | 272.60 | 278.20 | 1363 | NYSE | PDS | Thu, Mar 31, 2011 | 268.80 | 272.60 | 268.60 | 270.80 | 1362 | NYSE | PDS | Wed, Mar 30, 2011 | 262.20 | 269.20 | 261.40 | 268.60 | 1361 | NYSE | PDS | Tue, Mar 29, 2011 | 258.80 | 264.80 | 253.40 | 263.60 | 1360 | NYSE | PDS | Mon, Mar 28, 2011 | 265.60 | 268.20 | 259.80 | 260.60 | 1359 | NYSE | PDS | Fri, Mar 25, 2011 | 258.80 | 265.80 | 258.80 | 263.20 | 1358 | NYSE | PDS | Thu, Mar 24, 2011 | 259.20 | 262.00 | 255.60 | 257.80 | 1357 | NYSE | PDS | Wed, Mar 23, 2011 | 255.20 | 259.20 | 253.40 | 257.00 | 1356 | NYSE | PDS | Tue, Mar 22, 2011 | 258.40 | 259.40 | 253.40 | 255.40 | 1355 | NYSE | PDS | Mon, Mar 21, 2011 | 251.40 | 259.80 | 249.80 | 256.40 | 1354 | NYSE | PDS | Fri, Mar 18, 2011 | 244.40 | 246.20 | 239.00 | 245.80 | 1353 | NYSE | PDS | Thu, Mar 17, 2011 | 224.00 | 244.80 | 223.60 | 241.60 | 1352 | NYSE | PDS | Wed, Mar 16, 2011 | 223.80 | 229.60 | 218.00 | 221.20 | 1351 | NYSE | PDS | Tue, Mar 15, 2011 | 216.20 | 226.20 | 208.80 | 223.80 | 1350 | NYSE | PDS | Mon, Mar 14, 2011 | 226.80 | 230.00 | 224.00 | 228.40 | 1349 | NYSE | PDS | Fri, Mar 11, 2011 | 219.00 | 231.20 | 217.80 | 229.00 | 1348 | NYSE | PDS | Thu, Mar 10, 2011 | 226.80 | 227.40 | 216.40 | 223.20 | 1347 | NYSE | PDS | Wed, Mar 9, 2011 | 239.60 | 241.00 | 229.50 | 232.40 | 1346 | NYSE | PDS | Tue, Mar 8, 2011 | 243.20 | 245.35 | 239.60 | 240.00 | 1345 | NYSE | PDS | Mon, Mar 7, 2011 | 242.80 | 244.60 | 239.80 | 244.00 | 1344 | NYSE | PDS | Fri, Mar 4, 2011 | 242.60 | 243.00 | 238.80 | 241.80 | 1343 | NYSE | PDS | Thu, Mar 3, 2011 | 246.40 | 246.40 | 240.20 | 241.80 | 1342 | NYSE | PDS | Wed, Mar 2, 2011 | 241.00 | 245.40 | 239.40 | 244.40 | 1341 | NYSE | PDS | Tue, Mar 1, 2011 | 237.80 | 246.60 | 237.60 | 241.40 | 1340 | NYSE | PDS | Mon, Feb 28, 2011 | 236.00 | 238.00 | 230.00 | 236.20 | 1339 | NYSE | PDS | Fri, Feb 25, 2011 | 226.40 | 234.60 | 224.00 | 231.80 | 1338 | NYSE | PDS | Thu, Feb 24, 2011 | 227.60 | 237.55 | 224.00 | 224.20 | 1337 | NYSE | PDS | Wed, Feb 23, 2011 | 222.60 | 227.40 | 222.20 | 227.00 | 1336 | NYSE | PDS | Tue, Feb 22, 2011 | 226.80 | 230.60 | 221.60 | 222.60 | 1335 | NYSE | PDS | Fri, Feb 18, 2011 | 226.40 | 228.80 | 224.60 | 228.80 | 1334 | NYSE | PDS | Thu, Feb 17, 2011 | 224.40 | 228.40 | 224.20 | 226.00 | 1333 | NYSE | PDS | Wed, Feb 16, 2011 | 220.80 | 227.20 | 218.60 | 225.40 | 1332 | NYSE | PDS | Tue, Feb 15, 2011 | 226.60 | 227.00 | 216.40 | 218.40 | 1331 | NYSE | PDS | Mon, Feb 14, 2011 | 223.00 | 227.00 | 222.00 | 225.40 | 1330 | NYSE | PDS | Fri, Feb 11, 2011 | 216.80 | 223.00 | 214.20 | 222.20 | 1329 | NYSE | PDS | Thu, Feb 10, 2011 | 206.80 | 210.40 | 205.20 | 210.00 | 1328 | NYSE | PDS | Wed, Feb 9, 2011 | 211.00 | 212.80 | 210.00 | 211.60 | 1327 | NYSE | PDS | Tue, Feb 8, 2011 | 211.20 | 212.40 | 204.80 | 211.80 | 1326 | NYSE | PDS | Mon, Feb 7, 2011 | 209.60 | 214.20 | 207.60 | 211.20 | 1325 | NYSE | PDS | Fri, Feb 4, 2011 | 210.00 | 211.00 | 206.60 | 208.80 | 1324 | NYSE | PDS | Thu, Feb 3, 2011 | 214.20 | 214.40 | 208.60 | 210.00 | 1323 | NYSE | PDS | Wed, Feb 2, 2011 | 214.80 | 217.00 | 212.60 | 213.80 | 1322 | NYSE | PDS | Tue, Feb 1, 2011 | 211.60 | 214.80 | 211.20 | 214.20 | 1321 | NYSE | PDS | Mon, Jan 31, 2011 | 206.80 | 210.60 | 206.00 | 210.20 | 1320 | NYSE | PDS | Fri, Jan 28, 2011 | 207.20 | 210.80 | 205.20 | 205.80 | 1319 | NYSE | PDS | Thu, Jan 27, 2011 | 207.00 | 211.60 | 207.00 | 211.00 | 1318 | NYSE | PDS | Wed, Jan 26, 2011 | 201.60 | 209.00 | 201.00 | 208.00 | 1317 | NYSE | PDS | Tue, Jan 25, 2011 | 204.30 | 205.20 | 201.00 | 202.80 | 1316 | NYSE | PDS | Mon, Jan 24, 2011 | 206.40 | 209.20 | 205.60 | 206.00 | 1315 | NYSE | PDS | Fri, Jan 21, 2011 | 202.60 | 209.60 | 202.40 | 206.60 | 1314 | NYSE | PDS | Thu, Jan 20, 2011 | 199.80 | 200.00 | 193.00 | 199.20 | 1313 | NYSE | PDS | Wed, Jan 19, 2011 | 203.80 | 204.00 | 200.80 | 201.80 | 1312 | NYSE | PDS | Tue, Jan 18, 2011 | 198.20 | 204.80 | 195.80 | 203.60 | 1311 | NYSE | PDS | Fri, Jan 14, 2011 | 197.40 | 199.40 | 196.20 | 198.00 | 1310 | NYSE | PDS | Thu, Jan 13, 2011 | 198.60 | 198.60 | 196.20 | 197.40 | 1309 | NYSE | PDS | Wed, Jan 12, 2011 | 195.40 | 197.60 | 195.40 | 197.40 | 1308 | NYSE | PDS | Tue, Jan 11, 2011 | 194.40 | 195.60 | 191.20 | 194.40 | 1307 | NYSE | PDS | Mon, Jan 10, 2011 | 194.80 | 195.20 | 189.60 | 193.80 | 1306 | NYSE | PDS | Fri, Jan 7, 2011 | 197.60 | 197.60 | 189.80 | 193.60 | 1305 | NYSE | PDS | Thu, Jan 6, 2011 | 199.80 | 201.40 | 195.00 | 197.60 | 1304 | NYSE | PDS | Wed, Jan 5, 2011 | 193.40 | 200.80 | 192.00 | 200.40 | 1303 | NYSE | PDS | Tue, Jan 4, 2011 | 197.40 | 198.00 | 192.00 | 194.20 | 1302 | NYSE | PDS | Mon, Jan 3, 2011 | 196.20 | 199.40 | 194.90 | 197.00 | 1301 | NYSE | PDS | Fri, Dec 31, 2010 | 192.20 | 197.80 | 191.80 | 193.80 | 1300 | NYSE | PDS | Thu, Dec 30, 2010 | 196.40 | 197.00 | 192.60 | 192.60 | 1299 | NYSE | PDS | Wed, Dec 29, 2010 | 195.40 | 196.20 | 193.20 | 195.80 | 1298 | NYSE | PDS | Tue, Dec 28, 2010 | 195.20 | 195.20 | 191.00 | 195.00 | 1297 | NYSE | PDS | Mon, Dec 27, 2010 | 195.20 | 195.60 | 192.60 | 193.00 | 1296 | NYSE | PDS | Thu, Dec 23, 2010 | 195.40 | 197.00 | 192.80 | 195.60 | 1295 | NYSE | PDS | Wed, Dec 22, 2010 | 192.20 | 194.60 | 192.20 | 193.80 | 1294 | NYSE | PDS | Tue, Dec 21, 2010 | 192.40 | 195.00 | 191.00 | 192.40 | 1293 | NYSE | PDS | Mon, Dec 20, 2010 | 192.80 | 195.00 | 189.60 | 192.40 | 1292 | NYSE | PDS | Fri, Dec 17, 2010 | 188.40 | 194.80 | 187.00 | 194.60 | 1291 | NYSE | PDS | Thu, Dec 16, 2010 | 192.00 | 193.20 | 188.60 | 189.60 | 1290 | NYSE | PDS | Wed, Dec 15, 2010 | 188.20 | 193.60 | 188.20 | 190.80 | 1289 | NYSE | PDS | Tue, Dec 14, 2010 | 193.20 | 193.20 | 187.20 | 189.20 | 1288 | NYSE | PDS | Mon, Dec 13, 2010 | 185.60 | 194.80 | 185.20 | 192.20 | 1287 | NYSE | PDS | Fri, Dec 10, 2010 | 180.20 | 186.00 | 180.20 | 184.40 | 1286 | NYSE | PDS | Thu, Dec 9, 2010 | 179.00 | 180.60 | 177.00 | 180.20 | 1285 | NYSE | PDS | Wed, Dec 8, 2010 | 181.60 | 182.00 | 177.80 | 178.80 | 1284 | NYSE | PDS | Tue, Dec 7, 2010 | 184.20 | 185.20 | 179.00 | 179.80 | 1283 | NYSE | PDS | Mon, Dec 6, 2010 | 181.40 | 185.40 | 180.60 | 183.80 | 1282 | NYSE | PDS | Fri, Dec 3, 2010 | 177.80 | 182.80 | 177.00 | 181.80 | 1281 | NYSE | PDS | Thu, Dec 2, 2010 | 177.20 | 179.80 | 176.20 | 178.80 | 1280 | NYSE | PDS | Wed, Dec 1, 2010 | 174.00 | 177.80 | 173.40 | 176.80 | 1279 | NYSE | PDS | Tue, Nov 30, 2010 | 170.60 | 173.70 | 170.20 | 171.80 | 1278 | NYSE | PDS | Mon, Nov 29, 2010 | 167.20 | 173.40 | 165.80 | 172.80 | 1277 | NYSE | PDS | Fri, Nov 26, 2010 | 167.40 | 169.20 | 165.20 | 168.20 | 1276 | NYSE | PDS | Wed, Nov 24, 2010 | 163.20 | 169.60 | 163.20 | 169.20 | 1275 | NYSE | PDS | Tue, Nov 23, 2010 | 164.80 | 164.80 | 160.40 | 162.20 | 1274 | NYSE | PDS | Mon, Nov 22, 2010 | 166.80 | 167.40 | 163.00 | 167.00 | 1273 | NYSE | PDS | Fri, Nov 19, 2010 | 167.40 | 167.80 | 163.00 | 166.20 | 1272 | NYSE | PDS | Thu, Nov 18, 2010 | 160.40 | 168.80 | 159.60 | 167.20 | 1271 | NYSE | PDS | Wed, Nov 17, 2010 | 159.00 | 160.00 | 157.00 | 158.00 | 1270 | NYSE | PDS | Tue, Nov 16, 2010 | 157.80 | 159.20 | 156.00 | 159.20 | 1269 | NYSE | PDS | Mon, Nov 15, 2010 | 160.00 | 163.40 | 159.20 | 160.00 | 1268 | NYSE | PDS | Fri, Nov 12, 2010 | 163.40 | 164.00 | 158.40 | 159.20 | 1267 | NYSE | PDS | Thu, Nov 11, 2010 | 164.60 | 165.60 | 161.19 | 164.60 | 1266 | NYSE | PDS | Wed, Nov 10, 2010 | 161.20 | 165.80 | 159.00 | 164.00 | 1265 | NYSE | PDS | Tue, Nov 9, 2010 | 163.00 | 164.80 | 158.10 | 159.20 | 1264 | NYSE | PDS | Mon, Nov 8, 2010 | 156.00 | 162.00 | 156.00 | 161.40 | 1263 | NYSE | PDS | Fri, Nov 5, 2010 | 159.80 | 160.20 | 152.20 | 156.40 | 1262 | NYSE | PDS | Thu, Nov 4, 2010 | 164.20 | 165.80 | 159.20 | 159.60 | 1261 | NYSE | PDS | Wed, Nov 3, 2010 | 162.00 | 163.80 | 160.40 | 162.40 | 1260 | NYSE | PDS | Tue, Nov 2, 2010 | 160.20 | 164.20 | 159.80 | 162.20 | 1259 | NYSE | PDS | Mon, Nov 1, 2010 | 157.40 | 161.60 | 157.20 | 158.40 | 1258 | NYSE | PDS | Fri, Oct 29, 2010 | 154.60 | 157.20 | 154.60 | 156.00 | 1257 | NYSE | PDS | Thu, Oct 28, 2010 | 155.80 | 156.86 | 153.80 | 155.40 | 1256 | NYSE | PDS | Wed, Oct 27, 2010 | 154.40 | 155.40 | 151.60 | 155.20 | 1255 | NYSE | PDS | Tue, Oct 26, 2010 | 156.60 | 158.00 | 154.80 | 154.80 | 1254 | NYSE | PDS | Mon, Oct 25, 2010 | 157.40 | 159.00 | 154.00 | 156.60 | 1253 | NYSE | PDS | Fri, Oct 22, 2010 | 152.20 | 156.80 | 152.20 | 155.20 | 1252 | NYSE | PDS | Thu, Oct 21, 2010 | 150.00 | 157.00 | 148.00 | 151.00 | 1251 | NYSE | PDS | Wed, Oct 20, 2010 | 143.60 | 147.80 | 143.00 | 146.80 | 1250 | NYSE | PDS | Tue, Oct 19, 2010 | 145.20 | 145.80 | 142.00 | 144.20 | 1249 | NYSE | PDS | Mon, Oct 18, 2010 | 142.20 | 150.00 | 142.20 | 149.80 | 1248 | NYSE | PDS | Fri, Oct 15, 2010 | 143.20 | 144.00 | 142.20 | 142.80 | 1247 | NYSE | PDS | Thu, Oct 14, 2010 | 143.40 | 144.80 | 141.80 | 144.00 | 1246 | NYSE | PDS | Wed, Oct 13, 2010 | 143.80 | 145.40 | 143.40 | 144.20 | 1245 | NYSE | PDS | Tue, Oct 12, 2010 | 140.60 | 143.60 | 138.80 | 142.40 | 1244 | NYSE | PDS | Mon, Oct 11, 2010 | 141.60 | 141.80 | 139.60 | 141.40 | 1243 | NYSE | PDS | Fri, Oct 8, 2010 | 141.40 | 143.00 | 139.40 | 142.00 | 1242 | NYSE | PDS | Thu, Oct 7, 2010 | 143.00 | 143.60 | 141.00 | 142.40 | 1241 | NYSE | PDS | Wed, Oct 6, 2010 | 141.20 | 144.00 | 140.40 | 142.20 | 1240 | NYSE | PDS | Tue, Oct 5, 2010 | 140.20 | 141.60 | 139.27 | 140.60 | 1239 | NYSE | PDS | Mon, Oct 4, 2010 | 141.00 | 141.40 | 137.60 | 138.60 | 1238 | NYSE | PDS | Fri, Oct 1, 2010 | 139.40 | 142.40 | 139.00 | 139.60 | 1237 | NYSE | PDS | Thu, Sep 30, 2010 | 132.00 | 138.20 | 131.80 | 137.00 | 1236 | NYSE | PDS | Wed, Sep 29, 2010 | 124.20 | 131.60 | 123.80 | 130.80 | 1235 | NYSE | PDS | Tue, Sep 28, 2010 | 122.80 | 125.00 | 121.40 | 124.80 | 1234 | NYSE | PDS | Mon, Sep 27, 2010 | 124.20 | 125.00 | 123.40 | 124.20 | 1233 | NYSE | PDS | Fri, Sep 24, 2010 | 122.00 | 125.00 | 122.00 | 123.80 | 1232 | NYSE | PDS | Thu, Sep 23, 2010 | 123.20 | 123.40 | 120.40 | 120.60 | 1231 | NYSE | PDS | Wed, Sep 22, 2010 | 127.80 | 128.60 | 123.40 | 124.00 | 1230 | NYSE | PDS | Tue, Sep 21, 2010 | 125.40 | 127.43 | 124.00 | 126.60 | 1229 | NYSE | PDS | Mon, Sep 20, 2010 | 123.40 | 126.20 | 122.80 | 125.40 | 1228 | NYSE | PDS | Fri, Sep 17, 2010 | 124.40 | 125.40 | 123.20 | 123.60 | 1227 | NYSE | PDS | Thu, Sep 16, 2010 | 126.20 | 127.00 | 124.40 | 124.60 | 1226 | NYSE | PDS | Wed, Sep 15, 2010 | 128.80 | 129.00 | 126.00 | 126.00 | 1225 | NYSE | PDS | Tue, Sep 14, 2010 | 132.60 | 132.60 | 129.00 | 129.40 | 1224 | NYSE | PDS | Mon, Sep 13, 2010 | 128.40 | 133.00 | 126.60 | 132.60 | 1223 | NYSE | PDS | Fri, Sep 10, 2010 | 129.40 | 130.00 | 125.60 | 128.20 | 1222 | NYSE | PDS | Thu, Sep 9, 2010 | 132.00 | 132.00 | 128.00 | 128.60 | 1221 | NYSE | PDS | Wed, Sep 8, 2010 | 130.20 | 132.20 | 129.60 | 130.60 | 1220 | NYSE | PDS | Tue, Sep 7, 2010 | 131.40 | 131.60 | 129.00 | 129.80 | 1219 | NYSE | PDS | Fri, Sep 3, 2010 | 134.00 | 134.40 | 131.20 | 132.20 | 1218 | NYSE | PDS | Thu, Sep 2, 2010 | 130.60 | 132.60 | 130.00 | 131.60 | 1217 | NYSE | PDS | Wed, Sep 1, 2010 | 126.20 | 131.60 | 126.20 | 130.80 | 1216 | NYSE | PDS | Tue, Aug 31, 2010 | 124.00 | 125.40 | 123.00 | 124.80 | 1215 | NYSE | PDS | Mon, Aug 30, 2010 | 127.60 | 128.40 | 125.00 | 125.40 | 1214 | NYSE | PDS | Fri, Aug 27, 2010 | 127.40 | 128.20 | 125.00 | 127.80 | 1213 | NYSE | PDS | Thu, Aug 26, 2010 | 125.00 | 130.00 | 125.00 | 126.20 | 1212 | NYSE | PDS | Wed, Aug 25, 2010 | 124.40 | 125.40 | 121.40 | 123.60 | 1211 | NYSE | PDS | Tue, Aug 24, 2010 | 126.60 | 127.20 | 124.40 | 126.20 | 1210 | NYSE | PDS | Mon, Aug 23, 2010 | 130.60 | 132.00 | 128.00 | 129.00 | 1209 | NYSE | PDS | Fri, Aug 20, 2010 | 132.00 | 132.20 | 128.40 | 130.80 | 1208 | NYSE | PDS | Thu, Aug 19, 2010 | 135.40 | 136.80 | 132.40 | 134.00 | 1207 | NYSE | PDS | Wed, Aug 18, 2010 | 136.20 | 137.00 | 134.20 | 135.40 | 1206 | NYSE | PDS | Tue, Aug 17, 2010 | 140.00 | 140.40 | 134.60 | 136.40 | 1205 | NYSE | PDS | Mon, Aug 16, 2010 | 133.60 | 138.00 | 133.20 | 136.80 | 1204 | NYSE | PDS | Fri, Aug 13, 2010 | 138.40 | 138.60 | 133.60 | 134.60 | 1203 | NYSE | PDS | Thu, Aug 12, 2010 | 136.20 | 139.72 | 136.00 | 137.40 | 1202 | NYSE | PDS | Wed, Aug 11, 2010 | 142.00 | 142.80 | 137.60 | 137.80 | 1201 | NYSE | PDS | Tue, Aug 10, 2010 | 145.60 | 146.80 | 143.00 | 145.20 | 1200 | NYSE | PDS | Mon, Aug 9, 2010 | 144.00 | 148.40 | 143.60 | 147.80 | 1199 | NYSE | PDS | Fri, Aug 6, 2010 | 144.00 | 146.80 | 142.60 | 144.00 | 1198 | NYSE | PDS | Thu, Aug 5, 2010 | 148.80 | 149.00 | 145.00 | 146.40 | 1197 | NYSE | PDS | Wed, Aug 4, 2010 | 150.40 | 150.80 | 146.20 | 148.60 | 1196 | NYSE | PDS | Tue, Aug 3, 2010 | 149.60 | 152.80 | 148.20 | 150.60 | 1195 | NYSE | PDS | Mon, Aug 2, 2010 | 153.80 | 157.20 | 152.40 | 153.20 | 1194 | NYSE | PDS | Fri, Jul 30, 2010 | 146.60 | 152.40 | 146.60 | 151.00 | 1193 | NYSE | PDS | Thu, Jul 29, 2010 | 142.60 | 149.60 | 141.20 | 148.80 | 1192 | NYSE | PDS | Wed, Jul 28, 2010 | 146.00 | 146.60 | 142.40 | 142.60 | 1191 | NYSE | PDS | Tue, Jul 27, 2010 | 148.00 | 148.80 | 144.20 | 146.40 | 1190 | NYSE | PDS | Mon, Jul 26, 2010 | 145.20 | 147.60 | 144.80 | 146.80 | 1189 | NYSE | PDS | Fri, Jul 23, 2010 | 144.20 | 147.60 | 143.80 | 145.60 | 1188 | NYSE | PDS | Thu, Jul 22, 2010 | 147.00 | 149.00 | 141.20 | 145.20 | 1187 | NYSE | PDS | Wed, Jul 21, 2010 | 148.00 | 153.60 | 146.60 | 148.60 | 1186 | NYSE | PDS | Tue, Jul 20, 2010 | 141.60 | 151.00 | 141.40 | 150.40 | 1185 | NYSE | PDS | Mon, Jul 19, 2010 | 141.20 | 143.80 | 140.20 | 143.20 | 1184 | NYSE | PDS | Fri, Jul 16, 2010 | 143.20 | 144.60 | 141.00 | 141.60 | 1183 | NYSE | PDS | Thu, Jul 15, 2010 | 140.80 | 146.00 | 138.40 | 145.20 | 1182 | NYSE | PDS | Wed, Jul 14, 2010 | 141.00 | 143.70 | 140.40 | 141.20 | 1181 | NYSE | PDS | Tue, Jul 13, 2010 | 142.00 | 144.20 | 140.80 | 142.80 | 1180 | NYSE | PDS | Mon, Jul 12, 2010 | 143.00 | 144.40 | 139.20 | 140.60 | 1179 | NYSE | PDS | Fri, Jul 9, 2010 | 139.60 | 146.60 | 139.40 | 144.00 | 1178 | NYSE | PDS | Thu, Jul 8, 2010 | 137.60 | 141.80 | 137.00 | 141.00 | 1177 | NYSE | PDS | Wed, Jul 7, 2010 | 131.20 | 136.40 | 130.87 | 135.80 | 1176 | NYSE | PDS | Tue, Jul 6, 2010 | 132.40 | 133.60 | 127.80 | 130.60 | 1175 | NYSE | PDS | Fri, Jul 2, 2010 | 131.60 | 135.40 | 129.60 | 130.80 | 1174 | NYSE | PDS | Thu, Jul 1, 2010 | 131.00 | 133.84 | 126.20 | 131.80 | 1173 | NYSE | PDS | Wed, Jun 30, 2010 | 132.20 | 137.40 | 132.00 | 132.80 | 1172 | NYSE | PDS | Tue, Jun 29, 2010 | 137.40 | 137.40 | 133.60 | 134.80 | 1171 | NYSE | PDS | Mon, Jun 28, 2010 | 142.00 | 144.00 | 140.20 | 141.80 | 1170 | NYSE | PDS | Fri, Jun 25, 2010 | 138.80 | 144.00 | 137.60 | 143.20 | 1169 | NYSE | PDS | Thu, Jun 24, 2010 | 140.60 | 140.60 | 136.00 | 137.80 | 1168 | NYSE | PDS | Wed, Jun 23, 2010 | 146.80 | 147.00 | 138.60 | 141.80 | 1167 | NYSE | PDS | Tue, Jun 22, 2010 | 151.60 | 151.60 | 142.60 | 144.40 | 1166 | NYSE | PDS | Mon, Jun 21, 2010 | 156.80 | 158.40 | 150.60 | 151.00 | 1165 | NYSE | PDS | Fri, Jun 18, 2010 | 150.40 | 155.80 | 148.20 | 155.00 | 1164 | NYSE | PDS | Thu, Jun 17, 2010 | 151.40 | 152.80 | 147.00 | 150.40 | 1163 | NYSE | PDS | Wed, Jun 16, 2010 | 151.20 | 154.60 | 150.20 | 151.00 | 1162 | NYSE | PDS | Tue, Jun 15, 2010 | 147.60 | 154.40 | 147.60 | 154.40 | 1161 | NYSE | PDS | Mon, Jun 14, 2010 | 147.00 | 150.40 | 146.40 | 147.60 | 1160 | NYSE | PDS | Fri, Jun 11, 2010 | 140.80 | 146.00 | 140.80 | 146.00 | 1159 | NYSE | PDS | Thu, Jun 10, 2010 | 140.40 | 145.00 | 140.20 | 143.80 | 1158 | NYSE | PDS | Wed, Jun 9, 2010 | 142.80 | 146.00 | 136.00 | 138.80 | 1157 | NYSE | PDS | Tue, Jun 8, 2010 | 137.40 | 140.00 | 134.60 | 139.80 | 1156 | NYSE | PDS | Mon, Jun 7, 2010 | 139.00 | 141.80 | 136.40 | 137.20 | 1155 | NYSE | PDS | Fri, Jun 4, 2010 | 142.00 | 147.00 | 139.20 | 140.60 | 1154 | NYSE | PDS | Thu, Jun 3, 2010 | 147.20 | 148.60 | 142.60 | 147.80 | 1153 | NYSE | PDS | Wed, Jun 2, 2010 | 136.00 | 147.00 | 136.00 | 146.60 | 1152 | NYSE | PDS | Tue, Jun 1, 2010 | 138.20 | 140.00 | 134.80 | 135.60 | 1151 | NYSE | PDS | Fri, May 28, 2010 | 130.60 | 139.40 | 127.80 | 138.20 | 1150 | NYSE | PDS | Thu, May 27, 2010 | 122.40 | 128.40 | 120.40 | 127.60 | 1149 | NYSE | PDS | Wed, May 26, 2010 | 118.80 | 121.40 | 116.00 | 116.80 | 1148 | NYSE | PDS | Tue, May 25, 2010 | 111.40 | 117.40 | 110.80 | 116.80 | 1147 | NYSE | PDS | Mon, May 24, 2010 | 120.20 | 122.00 | 115.60 | 116.80 | 1146 | NYSE | PDS | Fri, May 21, 2010 | 114.20 | 121.80 | 113.00 | 121.60 | 1145 | NYSE | PDS | Thu, May 20, 2010 | 115.40 | 120.00 | 112.40 | 117.00 | 1144 | NYSE | PDS | Wed, May 19, 2010 | 122.60 | 122.80 | 116.00 | 121.20 | 1143 | NYSE | PDS | Tue, May 18, 2010 | 125.40 | 128.60 | 123.40 | 124.20 | 1142 | NYSE | PDS | Mon, May 17, 2010 | 132.00 | 132.00 | 121.80 | 123.00 | 1141 | NYSE | PDS | Fri, May 14, 2010 | 135.40 | 135.60 | 128.00 | 130.20 | 1140 | NYSE | PDS | Thu, May 13, 2010 | 138.60 | 141.00 | 136.00 | 137.00 | 1139 | NYSE | PDS | Wed, May 12, 2010 | 140.20 | 142.40 | 137.00 | 139.40 | 1138 | NYSE | PDS | Tue, May 11, 2010 | 136.80 | 141.10 | 135.00 | 139.80 | 1137 | NYSE | PDS | Mon, May 10, 2010 | 141.20 | 141.20 | 135.00 | 138.00 | 1136 | NYSE | PDS | Fri, May 7, 2010 | 134.60 | 138.40 | 128.80 | 132.20 | 1135 | NYSE | PDS | Thu, May 6, 2010 | 140.20 | 144.00 | 120.00 | 133.40 | 1134 | NYSE | PDS | Wed, May 5, 2010 | 144.40 | 145.60 | 138.80 | 142.40 | 1133 | NYSE | PDS | Tue, May 4, 2010 | 149.60 | 150.60 | 146.00 | 147.40 | 1132 | NYSE | PDS | Mon, May 3, 2010 | 152.40 | 153.20 | 148.60 | 152.60 | 1131 | NYSE | PDS | Fri, Apr 30, 2010 | 158.20 | 158.20 | 151.60 | 152.40 | 1130 | NYSE | PDS | Thu, Apr 29, 2010 | 157.40 | 161.20 | 156.20 | 157.60 | 1129 | NYSE | PDS | Wed, Apr 28, 2010 | 158.00 | 161.20 | 155.40 | 156.00 | 1128 | NYSE | PDS | Tue, Apr 27, 2010 | 162.00 | 162.40 | 156.00 | 157.00 | 1127 | NYSE | PDS | Mon, Apr 26, 2010 | 161.00 | 165.00 | 160.40 | 162.60 | 1126 | NYSE | PDS | Fri, Apr 23, 2010 | 153.40 | 161.80 | 153.40 | 161.00 | 1125 | NYSE | PDS | Thu, Apr 22, 2010 | 152.80 | 157.60 | 146.00 | 154.20 | 1124 | NYSE | PDS | Wed, Apr 21, 2010 | 151.40 | 155.80 | 150.60 | 153.00 | 1123 | NYSE | PDS | Tue, Apr 20, 2010 | 149.80 | 154.40 | 149.00 | 152.20 | 1122 | NYSE | PDS | Mon, Apr 19, 2010 | 146.20 | 148.40 | 143.00 | 146.00 | 1121 | NYSE | PDS | Fri, Apr 16, 2010 | 152.20 | 152.60 | 146.40 | 148.00 | 1120 | NYSE | PDS | Thu, Apr 15, 2010 | 154.00 | 154.60 | 152.40 | 153.80 | 1119 | NYSE | PDS | Wed, Apr 14, 2010 | 155.80 | 156.60 | 151.00 | 154.00 | 1118 | NYSE | PDS | Tue, Apr 13, 2010 | 155.00 | 155.80 | 152.00 | 154.80 | 1117 | NYSE | PDS | Mon, Apr 12, 2010 | 158.20 | 158.60 | 154.20 | 155.20 | 1116 | NYSE | PDS | Fri, Apr 9, 2010 | 161.00 | 161.80 | 156.60 | 157.60 | 1115 | NYSE | PDS | Thu, Apr 8, 2010 | 156.60 | 164.00 | 155.40 | 160.00 | 1114 | NYSE | PDS | Wed, Apr 7, 2010 | 161.80 | 161.80 | 156.20 | 158.80 | 1113 | NYSE | PDS | Tue, Apr 6, 2010 | 162.20 | 165.20 | 160.80 | 161.60 | 1112 | NYSE | PDS | Mon, Apr 5, 2010 | 158.40 | 165.00 | 157.60 | 162.60 | 1111 | NYSE | PDS | Thu, Apr 1, 2010 | 155.00 | 158.60 | 153.40 | 157.40 | 1110 | NYSE | PDS | Wed, Mar 31, 2010 | 152.40 | 156.80 | 152.20 | 153.40 | 1109 | NYSE | PDS | Tue, Mar 30, 2010 | 153.80 | 154.40 | 149.80 | 152.60 | 1108 | NYSE | PDS | Mon, Mar 29, 2010 | 147.00 | 152.60 | 145.40 | 152.60 | 1107 | NYSE | PDS | Fri, Mar 26, 2010 | 144.20 | 147.00 | 143.20 | 145.00 | 1106 | NYSE | PDS | Thu, Mar 25, 2010 | 149.20 | 149.80 | 143.60 | 143.80 | 1105 | NYSE | PDS | Wed, Mar 24, 2010 | 150.00 | 150.40 | 147.60 | 147.60 | 1104 | NYSE | PDS | Tue, Mar 23, 2010 | 150.00 | 151.20 | 147.40 | 150.80 | 1103 | NYSE | PDS | Mon, Mar 22, 2010 | 146.00 | 149.20 | 144.60 | 148.60 | 1102 | NYSE | PDS | Fri, Mar 19, 2010 | 156.20 | 156.60 | 149.00 | 149.00 | 1101 | NYSE | PDS | Thu, Mar 18, 2010 | 161.80 | 163.00 | 154.60 | 156.00 | 1100 | NYSE | PDS | Wed, Mar 17, 2010 | 162.20 | 163.20 | 160.60 | 162.00 | 1099 | NYSE | PDS | Tue, Mar 16, 2010 | 162.80 | 163.40 | 160.60 | 162.40 | 1098 | NYSE | PDS | Mon, Mar 15, 2010 | 167.80 | 167.80 | 159.20 | 161.40 | 1097 | NYSE | PDS | Fri, Mar 12, 2010 | 170.20 | 170.40 | 165.80 | 167.60 | 1096 | NYSE | PDS | Thu, Mar 11, 2010 | 168.40 | 169.40 | 165.40 | 167.40 | 1095 | NYSE | PDS | Wed, Mar 10, 2010 | 167.60 | 169.80 | 167.20 | 169.20 | 1094 | NYSE | PDS | Tue, Mar 9, 2010 | 169.40 | 172.20 | 165.60 | 168.40 | 1093 | NYSE | PDS | Mon, Mar 8, 2010 | 173.60 | 174.40 | 169.70 | 170.20 | 1092 | NYSE | PDS | Fri, Mar 5, 2010 | 169.00 | 171.60 | 168.20 | 171.40 | 1091 | NYSE | PDS | Thu, Mar 4, 2010 | 167.40 | 169.60 | 165.40 | 166.60 | 1090 | NYSE | PDS | Wed, Mar 3, 2010 | 166.60 | 170.00 | 165.80 | 166.60 | 1089 | NYSE | PDS | Tue, Mar 2, 2010 | 160.20 | 166.00 | 159.40 | 165.40 | 1088 | NYSE | PDS | Mon, Mar 1, 2010 | 155.00 | 159.00 | 154.60 | 159.00 | 1087 | NYSE | PDS | Fri, Feb 26, 2010 | 157.00 | 157.60 | 153.60 | 154.40 | 1086 | NYSE | PDS | Thu, Feb 25, 2010 | 152.80 | 156.60 | 150.20 | 156.40 | 1085 | NYSE | PDS | Wed, Feb 24, 2010 | 156.00 | 158.60 | 153.40 | 156.20 | 1084 | NYSE | PDS | Tue, Feb 23, 2010 | 160.80 | 160.80 | 154.40 | 156.80 | 1083 | NYSE | PDS | Mon, Feb 22, 2010 | 167.00 | 169.40 | 160.40 | 161.20 | 1082 | NYSE | PDS | Fri, Feb 19, 2010 | 167.20 | 168.40 | 165.60 | 166.40 | 1081 | NYSE | PDS | Thu, Feb 18, 2010 | 165.60 | 169.40 | 163.80 | 167.40 | 1080 | NYSE | PDS | Wed, Feb 17, 2010 | 165.20 | 166.60 | 161.80 | 164.40 | 1079 | NYSE | PDS | Tue, Feb 16, 2010 | 164.80 | 168.80 | 164.00 | 164.80 | 1078 | NYSE | PDS | Fri, Feb 12, 2010 | 160.00 | 166.00 | 155.40 | 163.20 | 1077 | NYSE | PDS | Thu, Feb 11, 2010 | 161.60 | 169.40 | 160.60 | 167.60 | 1076 | NYSE | PDS | Wed, Feb 10, 2010 | 161.20 | 164.00 | 157.00 | 160.00 | 1075 | NYSE | PDS | Tue, Feb 9, 2010 | 160.60 | 164.60 | 159.80 | 161.00 | 1074 | NYSE | PDS | Mon, Feb 8, 2010 | 159.00 | 165.00 | 157.80 | 159.00 | 1073 | NYSE | PDS | Fri, Feb 5, 2010 | 155.40 | 160.40 | 153.00 | 158.80 | 1072 | NYSE | PDS | Thu, Feb 4, 2010 | 162.00 | 162.00 | 154.60 | 155.80 | 1071 | NYSE | PDS | Wed, Feb 3, 2010 | 167.00 | 168.60 | 163.80 | 164.80 | 1070 | NYSE | PDS | Tue, Feb 2, 2010 | 163.80 | 170.20 | 160.80 | 167.80 | 1069 | NYSE | PDS | Mon, Feb 1, 2010 | 156.00 | 161.40 | 154.60 | 161.40 | 1068 | NYSE | PDS | Fri, Jan 29, 2010 | 161.20 | 166.60 | 154.20 | 155.40 | 1067 | NYSE | PDS | Thu, Jan 28, 2010 | 170.20 | 172.00 | 161.20 | 163.40 | 1066 | NYSE | PDS | Wed, Jan 27, 2010 | 169.80 | 171.80 | 163.80 | 170.00 | 1065 | NYSE | PDS | Tue, Jan 26, 2010 | 171.80 | 175.00 | 166.40 | 172.00 | 1064 | NYSE | PDS | Mon, Jan 25, 2010 | 172.20 | 176.20 | 170.60 | 173.00 | 1063 | NYSE | PDS | Fri, Jan 22, 2010 | 174.80 | 177.00 | 168.00 | 171.80 | 1062 | NYSE | PDS | Thu, Jan 21, 2010 | 181.60 | 181.60 | 173.00 | 177.00 | 1061 | NYSE | PDS | Wed, Jan 20, 2010 | 180.20 | 180.90 | 175.60 | 180.40 | 1060 | NYSE | PDS | Tue, Jan 19, 2010 | 183.80 | 186.60 | 180.80 | 182.80 | 1059 | NYSE | PDS | Fri, Jan 15, 2010 | 184.60 | 184.60 | 178.60 | 182.80 | 1058 | NYSE | PDS | Thu, Jan 14, 2010 | 182.00 | 186.80 | 181.40 | 184.60 | 1057 | NYSE | PDS | Wed, Jan 13, 2010 | 173.00 | 184.40 | 172.00 | 183.40 | 1056 | NYSE | PDS | Tue, Jan 12, 2010 | 175.20 | 178.20 | 170.00 | 173.60 | 1055 | NYSE | PDS | Mon, Jan 11, 2010 | 178.00 | 186.00 | 173.62 | 176.80 | 1054 | NYSE | PDS | Fri, Jan 8, 2010 | 170.40 | 176.80 | 170.00 | 174.40 | 1053 | NYSE | PDS | Thu, Jan 7, 2010 | 172.00 | 172.60 | 168.00 | 169.60 | 1052 | NYSE | PDS | Wed, Jan 6, 2010 | 168.20 | 173.00 | 165.80 | 172.60 | 1051 | NYSE | PDS | Tue, Jan 5, 2010 | 153.40 | 170.00 | 153.40 | 167.20 | 1050 | NYSE | PDS | Mon, Jan 4, 2010 | 146.40 | 152.20 | 146.40 | 151.60 | 1049 | NYSE | PDS | Thu, Dec 31, 2009 | 145.20 | 147.20 | 144.80 | 145.00 | 1048 | NYSE | PDS | Wed, Dec 30, 2009 | 145.00 | 146.20 | 143.60 | 145.40 | 1047 | NYSE | PDS | Tue, Dec 29, 2009 | 147.40 | 147.80 | 144.60 | 146.40 | 1046 | NYSE | PDS | Mon, Dec 28, 2009 | 147.20 | 148.00 | 142.40 | 146.80 | 1045 | NYSE | PDS | Thu, Dec 24, 2009 | 146.80 | 147.00 | 144.00 | 147.00 | 1044 | NYSE | PDS | Wed, Dec 23, 2009 | 145.00 | 146.80 | 143.60 | 146.40 | 1043 | NYSE | PDS | Tue, Dec 22, 2009 | 144.00 | 145.00 | 141.60 | 144.40 | 1042 | NYSE | PDS | Mon, Dec 21, 2009 | 145.20 | 147.00 | 141.80 | 143.60 | 1041 | NYSE | PDS | Fri, Dec 18, 2009 | 144.80 | 147.00 | 141.60 | 145.40 | 1040 | NYSE | PDS | Thu, Dec 17, 2009 | 139.00 | 144.60 | 138.80 | 144.60 | 1039 | NYSE | PDS | Wed, Dec 16, 2009 | 138.20 | 141.60 | 138.00 | 140.20 | 1038 | NYSE | PDS | Tue, Dec 15, 2009 | 137.80 | 140.00 | 137.40 | 138.00 | 1037 | NYSE | PDS | Mon, Dec 14, 2009 | 135.00 | 137.80 | 133.00 | 137.60 | 1036 | NYSE | PDS | Fri, Dec 11, 2009 | 134.20 | 135.00 | 131.60 | 133.40 | 1035 | NYSE | PDS | Thu, Dec 10, 2009 | 134.60 | 135.80 | 133.00 | 133.20 | 1034 | NYSE | PDS | Wed, Dec 9, 2009 | 137.00 | 137.80 | 130.60 | 133.20 | 1033 | NYSE | PDS | Tue, Dec 8, 2009 | 139.40 | 139.40 | 136.80 | 138.20 | 1032 | NYSE | PDS | Mon, Dec 7, 2009 | 132.80 | 142.00 | 132.80 | 140.80 | 1031 | NYSE | PDS | Fri, Dec 4, 2009 | 137.60 | 138.40 | 132.00 | 134.00 | 1030 | NYSE | PDS | Thu, Dec 3, 2009 | 137.80 | 138.20 | 134.80 | 134.80 | 1029 | NYSE | PDS | Wed, Dec 2, 2009 | 138.20 | 138.20 | 135.20 | 137.60 | 1028 | NYSE | PDS | Tue, Dec 1, 2009 | 133.20 | 136.00 | 133.20 | 136.00 | 1027 | NYSE | PDS | Mon, Nov 30, 2009 | 130.00 | 133.80 | 129.00 | 131.80 | 1026 | NYSE | PDS | Fri, Nov 27, 2009 | 130.00 | 131.40 | 125.80 | 130.20 | 1025 | NYSE | PDS | Wed, Nov 25, 2009 | 137.00 | 137.40 | 133.60 | 134.60 | 1024 | NYSE | PDS | Tue, Nov 24, 2009 | 137.20 | 137.80 | 135.40 | 136.00 | 1023 | NYSE | PDS | Mon, Nov 23, 2009 | 139.40 | 141.60 | 136.60 | 137.60 | 1022 | NYSE | PDS | Fri, Nov 20, 2009 | 137.00 | 137.80 | 134.60 | 136.80 | 1021 | NYSE | PDS | Thu, Nov 19, 2009 | 140.20 | 141.60 | 137.40 | 139.20 | 1020 | NYSE | PDS | Wed, Nov 18, 2009 | 144.80 | 145.60 | 141.20 | 142.20 | 1019 | NYSE | PDS | Tue, Nov 17, 2009 | 139.80 | 145.40 | 137.80 | 144.00 | 1018 | NYSE | PDS | Mon, Nov 16, 2009 | 140.40 | 142.20 | 139.20 | 140.00 | 1017 | NYSE | PDS | Fri, Nov 13, 2009 | 137.00 | 139.80 | 135.80 | 139.20 | 1016 | NYSE | PDS | Thu, Nov 12, 2009 | 140.40 | 141.80 | 134.40 | 135.20 | 1015 | NYSE | PDS | Wed, Nov 11, 2009 | 144.20 | 145.00 | 139.80 | 141.20 | 1014 | NYSE | PDS | Tue, Nov 10, 2009 | 144.40 | 144.80 | 139.80 | 140.40 | 1013 | NYSE | PDS | Mon, Nov 9, 2009 | 140.80 | 144.60 | 140.60 | 143.00 | 1012 | NYSE | PDS | Fri, Nov 6, 2009 | 137.80 | 139.00 | 133.60 | 135.40 | 1011 | NYSE | PDS | Thu, Nov 5, 2009 | 138.40 | 138.40 | 134.00 | 138.40 | 1010 | NYSE | PDS | Wed, Nov 4, 2009 | 134.80 | 140.40 | 134.60 | 135.80 | 1009 | NYSE | PDS | Tue, Nov 3, 2009 | 128.20 | 135.00 | 126.60 | 133.40 | 1008 | NYSE | PDS | Mon, Nov 2, 2009 | 132.80 | 134.40 | 127.00 | 129.40 | 1007 | NYSE | PDS | Fri, Oct 30, 2009 | 137.00 | 137.00 | 129.40 | 131.00 | 1006 | NYSE | PDS | Thu, Oct 29, 2009 | 132.60 | 138.00 | 130.40 | 137.40 | 1005 | NYSE | PDS | Wed, Oct 28, 2009 | 136.10 | 137.20 | 131.00 | 132.20 | 1004 | NYSE | PDS | Tue, Oct 27, 2009 | 145.60 | 145.60 | 136.80 | 138.20 | 1003 | NYSE | PDS | Mon, Oct 26, 2009 | 148.20 | 152.80 | 142.40 | 145.40 | 1002 | NYSE | PDS | Fri, Oct 23, 2009 | 152.60 | 153.20 | 147.60 | 148.80 | 1001 | NYSE | PDS | Thu, Oct 22, 2009 | 148.20 | 152.20 | 142.20 | 152.20 | 1000 | NYSE | PDS | Wed, Oct 21, 2009 | 140.80 | 150.00 | 140.60 | 145.60 | 999 | NYSE | PDS | Tue, Oct 20, 2009 | 144.80 | 145.00 | 140.20 | 142.00 | 998 | NYSE | PDS | Mon, Oct 19, 2009 | 140.20 | 144.80 | 139.00 | 143.40 | 997 | NYSE | PDS | Fri, Oct 16, 2009 | 142.20 | 142.60 | 137.80 | 138.40 | 996 | NYSE | PDS | Thu, Oct 15, 2009 | 137.40 | 140.60 | 136.80 | 140.60 | 995 | NYSE | PDS | Wed, Oct 14, 2009 | 140.00 | 140.60 | 137.60 | 137.80 | 994 | NYSE | PDS | Tue, Oct 13, 2009 | 138.80 | 139.00 | 133.60 | 137.20 | 993 | NYSE | PDS | Mon, Oct 12, 2009 | 132.60 | 140.00 | 132.00 | 138.40 | 992 | NYSE | PDS | Fri, Oct 9, 2009 | 129.20 | 131.20 | 127.60 | 130.80 | 991 | NYSE | PDS | Thu, Oct 8, 2009 | 127.20 | 130.80 | 126.20 | 130.00 | 990 | NYSE | PDS | Wed, Oct 7, 2009 | 126.60 | 127.80 | 123.40 | 126.60 | 989 | NYSE | PDS | Tue, Oct 6, 2009 | 130.00 | 132.40 | 124.60 | 126.40 | 988 | NYSE | PDS | Mon, Oct 5, 2009 | 122.20 | 127.00 | 120.80 | 126.60 | 987 | NYSE | PDS | Fri, Oct 2, 2009 | 121.40 | 124.80 | 116.80 | 121.40 | 986 | NYSE | PDS | Thu, Oct 1, 2009 | 133.00 | 133.00 | 123.20 | 123.80 | 985 | NYSE | PDS | Wed, Sep 30, 2009 | 130.00 | 134.80 | 126.40 | 132.60 | 984 | NYSE | PDS | Tue, Sep 29, 2009 | 129.60 | 130.80 | 127.80 | 129.00 | 983 | NYSE | PDS | Mon, Sep 28, 2009 | 130.00 | 130.97 | 126.20 | 130.20 | 982 | NYSE | PDS | Fri, Sep 25, 2009 | 132.00 | 134.20 | 128.40 | 129.80 | 981 | NYSE | PDS | Thu, Sep 24, 2009 | 137.00 | 137.00 | 130.60 | 132.00 | 980 | NYSE | PDS | Wed, Sep 23, 2009 | 139.80 | 140.00 | 135.80 | 136.80 | 979 | NYSE | PDS | Tue, Sep 22, 2009 | 138.80 | 141.00 | 136.00 | 138.80 | 978 | NYSE | PDS | Mon, Sep 21, 2009 | 137.80 | 138.00 | 132.20 | 136.80 | 977 | NYSE | PDS | Fri, Sep 18, 2009 | 145.00 | 147.00 | 139.20 | 141.20 | 976 | NYSE | PDS | Thu, Sep 17, 2009 | 141.80 | 147.80 | 138.40 | 143.40 | 975 | NYSE | PDS | Wed, Sep 16, 2009 | 148.40 | 150.80 | 141.60 | 144.00 | 974 | NYSE | PDS | Tue, Sep 15, 2009 | 140.80 | 145.60 | 139.00 | 143.60 | 973 | NYSE | PDS | Mon, Sep 14, 2009 | 131.20 | 139.60 | 130.00 | 137.00 | 972 | NYSE | PDS | Fri, Sep 11, 2009 | 130.20 | 134.00 | 130.20 | 132.80 | 971 | NYSE | PDS | Thu, Sep 10, 2009 | 124.20 | 128.60 | 124.00 | 128.60 | 970 | NYSE | PDS | Wed, Sep 9, 2009 | 115.80 | 125.00 | 115.60 | 123.80 | 969 | NYSE | PDS | Tue, Sep 8, 2009 | 114.60 | 117.20 | 113.40 | 115.20 | 968 | NYSE | PDS | Fri, Sep 4, 2009 | 108.60 | 111.60 | 108.60 | 111.60 | 967 | NYSE | PDS | Thu, Sep 3, 2009 | 108.20 | 109.00 | 106.00 | 108.20 | 966 | NYSE | PDS | Wed, Sep 2, 2009 | 108.00 | 108.40 | 106.20 | 106.40 | 965 | NYSE | PDS | Tue, Sep 1, 2009 | 113.20 | 115.00 | 108.60 | 109.40 | 964 | NYSE | PDS | Mon, Aug 31, 2009 | 111.60 | 113.80 | 110.40 | 113.80 | 963 | NYSE | PDS | Fri, Aug 28, 2009 | 114.20 | 115.00 | 111.60 | 113.60 | 962 | NYSE | PDS | Thu, Aug 27, 2009 | 112.00 | 113.40 | 109.60 | 113.20 | 961 | NYSE | PDS | Wed, Aug 26, 2009 | 114.40 | 114.40 | 111.60 | 112.80 | 960 | NYSE | PDS | Tue, Aug 25, 2009 | 116.20 | 117.00 | 113.20 | 114.40 | 959 | NYSE | PDS | Mon, Aug 24, 2009 | 113.20 | 115.80 | 113.00 | 115.60 | 958 | NYSE | PDS | Fri, Aug 21, 2009 | 112.20 | 115.20 | 111.60 | 112.80 | 957 | NYSE | PDS | Thu, Aug 20, 2009 | 111.20 | 112.40 | 110.00 | 111.60 | 956 | NYSE | PDS | Wed, Aug 19, 2009 | 108.20 | 112.00 | 107.40 | 112.00 | 955 | NYSE | PDS | Tue, Aug 18, 2009 | 110.40 | 111.60 | 107.60 | 111.60 | 954 | NYSE | PDS | Mon, Aug 17, 2009 | 111.40 | 111.40 | 106.00 | 108.40 | 953 | NYSE | PDS | Fri, Aug 14, 2009 | 118.60 | 118.80 | 112.80 | 114.40 | 952 | NYSE | PDS | Thu, Aug 13, 2009 | 116.00 | 117.60 | 113.80 | 117.60 | 951 | NYSE | PDS | Wed, Aug 12, 2009 | 111.40 | 115.20 | 111.20 | 114.40 | 950 | NYSE | PDS | Tue, Aug 11, 2009 | 114.20 | 114.20 | 111.60 | 112.20 | 949 | NYSE | PDS | Mon, Aug 10, 2009 | 114.20 | 116.80 | 112.40 | 116.00 | 948 | NYSE | PDS | Fri, Aug 7, 2009 | 115.60 | 115.60 | 112.00 | 114.80 | 947 | NYSE | PDS | Thu, Aug 6, 2009 | 116.00 | 117.40 | 110.40 | 112.40 | 946 | NYSE | PDS | Wed, Aug 5, 2009 | 116.20 | 118.80 | 114.00 | 116.60 | 945 | NYSE | PDS | Tue, Aug 4, 2009 | 118.00 | 119.80 | 114.00 | 116.80 | 944 | NYSE | PDS | Mon, Aug 3, 2009 | 115.00 | 121.00 | 114.40 | 119.00 | 943 | NYSE | PDS | Fri, Jul 31, 2009 | 112.00 | 114.80 | 112.00 | 112.80 | 942 | NYSE | PDS | Thu, Jul 30, 2009 | 113.80 | 115.80 | 112.00 | 112.80 | 941 | NYSE | PDS | Wed, Jul 29, 2009 | 113.20 | 113.80 | 108.00 | 109.40 | 940 | NYSE | PDS | Tue, Jul 28, 2009 | 117.40 | 119.80 | 114.00 | 115.20 | 939 | NYSE | PDS | Mon, Jul 27, 2009 | 111.00 | 118.80 | 107.00 | 118.60 | 938 | NYSE | PDS | Fri, Jul 24, 2009 | 109.40 | 113.00 | 106.60 | 111.00 | 937 | NYSE | PDS | Thu, Jul 23, 2009 | 101.40 | 111.00 | 100.00 | 108.60 | 936 | NYSE | PDS | Wed, Jul 22, 2009 | 100.20 | 102.60 | 98.80 | 99.60 | 935 | NYSE | PDS | Tue, Jul 21, 2009 | 99.80 | 100.60 | 97.60 | 98.80 | 934 | NYSE | PDS | Mon, Jul 20, 2009 | 97.20 | 99.60 | 97.20 | 98.20 | 933 | NYSE | PDS | Fri, Jul 17, 2009 | 99.80 | 99.80 | 94.60 | 96.80 | 932 | NYSE | PDS | Thu, Jul 16, 2009 | 94.00 | 98.80 | 94.00 | 98.60 | 931 | NYSE | PDS | Wed, Jul 15, 2009 | 94.80 | 96.60 | 92.00 | 95.20 | 930 | NYSE | PDS | Tue, Jul 14, 2009 | 89.20 | 91.60 | 87.41 | 90.20 | 929 | NYSE | PDS | Mon, Jul 13, 2009 | 86.20 | 87.40 | 82.40 | 87.00 | 928 | NYSE | PDS | Fri, Jul 10, 2009 | 87.00 | 89.00 | 84.80 | 86.20 | 927 | NYSE | PDS | Thu, Jul 9, 2009 | 85.40 | 90.80 | 85.00 | 89.60 | 926 | NYSE | PDS | Wed, Jul 8, 2009 | 86.40 | 87.00 | 80.20 | 82.80 | 925 | NYSE | PDS | Tue, Jul 7, 2009 | 88.40 | 88.60 | 86.20 | 86.40 | 924 | NYSE | PDS | Mon, Jul 6, 2009 | 90.60 | 90.80 | 85.00 | 88.80 | 923 | NYSE | PDS | Thu, Jul 2, 2009 | 97.20 | 97.20 | 92.60 | 96.00 | 922 | NYSE | PDS | Wed, Jul 1, 2009 | 98.20 | 100.60 | 97.20 | 99.20 | 921 | NYSE | PDS | Tue, Jun 30, 2009 | 100.80 | 102.20 | 95.60 | 97.60 | 920 | NYSE | PDS | Mon, Jun 29, 2009 | 97.60 | 100.60 | 97.20 | 100.60 | 919 | NYSE | PDS | Fri, Jun 26, 2009 | 95.60 | 98.60 | 94.20 | 97.40 | 918 | NYSE | PDS | Thu, Jun 25, 2009 | 94.40 | 97.00 | 92.60 | 95.00 | 917 | NYSE | PDS | Wed, Jun 24, 2009 | 89.20 | 93.00 | 87.60 | 92.40 | 916 | NYSE | PDS | Tue, Jun 23, 2009 | 88.60 | 90.80 | 85.00 | 85.80 | 915 | NYSE | PDS | Mon, Jun 22, 2009 | 96.80 | 97.60 | 87.00 | 88.00 | 914 | NYSE | PDS | Fri, Jun 19, 2009 | 105.80 | 108.00 | 102.00 | 103.60 | 913 | NYSE | PDS | Thu, Jun 18, 2009 | 103.00 | 106.20 | 101.20 | 103.40 | 912 | NYSE | PDS | Wed, Jun 17, 2009 | 106.80 | 107.40 | 100.80 | 102.60 | 911 | NYSE | PDS | Tue, Jun 16, 2009 | 113.60 | 114.80 | 107.60 | 108.00 | 910 | NYSE | PDS | Mon, Jun 15, 2009 | 114.60 | 117.80 | 110.00 | 110.40 | 909 | NYSE | PDS | Fri, Jun 12, 2009 | 120.40 | 120.80 | 117.20 | 118.60 | 908 | NYSE | PDS | Thu, Jun 11, 2009 | 120.80 | 127.00 | 119.80 | 123.60 | 907 | NYSE | PDS | Wed, Jun 10, 2009 | 122.00 | 122.40 | 118.40 | 120.40 | 906 | NYSE | PDS | Tue, Jun 9, 2009 | 117.80 | 119.60 | 114.80 | 118.40 | 905 | NYSE | PDS | Mon, Jun 8, 2009 | 116.20 | 117.80 | 111.00 | 116.00 | 904 | NYSE | PDS | Fri, Jun 5, 2009 | 124.00 | 124.40 | 116.40 | 118.40 | 903 | NYSE | PDS | Thu, Jun 4, 2009 | 119.00 | 125.80 | 119.00 | 123.40 | 902 | NYSE | PDS | Wed, Jun 3, 2009 | 125.80 | 125.80 | 113.80 | 117.40 | 901 | NYSE | PDS | Tue, Jun 2, 2009 | 126.20 | 130.00 | 123.40 | 127.20 | 900 | NYSE | PDS | Mon, Jun 1, 2009 | 126.20 | 129.60 | 122.00 | 126.80 | 899 | NYSE | PDS | Fri, May 29, 2009 | 115.00 | 123.20 | 114.60 | 117.20 | 898 | NYSE | PDS | Thu, May 28, 2009 | 106.60 | 112.60 | 104.80 | 110.00 | 897 | NYSE | PDS | Wed, May 27, 2009 | 102.20 | 111.60 | 100.20 | 103.40 | 896 | NYSE | PDS | Tue, May 26, 2009 | 97.40 | 102.40 | 94.40 | 102.00 | 895 | NYSE | PDS | Fri, May 22, 2009 | 99.40 | 106.00 | 98.00 | 99.40 | 894 | NYSE | PDS | Thu, May 21, 2009 | 98.40 | 100.00 | 96.20 | 98.80 | 893 | NYSE | PDS | Wed, May 20, 2009 | 105.40 | 109.20 | 100.60 | 102.20 | 892 | NYSE | PDS | Tue, May 19, 2009 | 102.20 | 105.20 | 101.70 | 102.60 | 891 | NYSE | PDS | Mon, May 18, 2009 | 96.20 | 102.60 | 96.20 | 102.00 | 890 | NYSE | PDS | Fri, May 15, 2009 | 100.40 | 103.40 | 93.00 | 96.00 | 889 | NYSE | PDS | Thu, May 14, 2009 | 97.40 | 105.20 | 91.00 | 103.20 | 888 | NYSE | PDS | Wed, May 13, 2009 | 118.00 | 118.00 | 98.80 | 100.40 | 887 | NYSE | PDS | Tue, May 12, 2009 | 120.80 | 123.20 | 115.60 | 118.60 | 886 | NYSE | PDS | Mon, May 11, 2009 | 118.00 | 121.80 | 115.60 | 117.00 | 885 | NYSE | PDS | Fri, May 8, 2009 | 115.40 | 122.00 | 112.00 | 122.00 | 884 | NYSE | PDS | Thu, May 7, 2009 | 119.80 | 120.00 | 104.20 | 109.00 | 883 | NYSE | PDS | Wed, May 6, 2009 | 101.00 | 112.00 | 101.00 | 112.00 | 882 | NYSE | PDS | Tue, May 5, 2009 | 98.80 | 101.00 | 95.60 | 99.80 | 881 | NYSE | PDS | Mon, May 4, 2009 | 93.00 | 99.60 | 93.00 | 98.80 | 880 | NYSE | PDS | Fri, May 1, 2009 | 97.00 | 97.20 | 91.00 | 93.60 | 879 | NYSE | PDS | Thu, Apr 30, 2009 | 98.80 | 103.00 | 92.80 | 94.20 | 878 | NYSE | PDS | Wed, Apr 29, 2009 | 89.80 | 95.00 | 89.60 | 95.00 | 877 | NYSE | PDS | Tue, Apr 28, 2009 | 89.80 | 89.80 | 85.80 | 87.40 | 876 | NYSE | PDS | Mon, Apr 27, 2009 | 91.20 | 92.00 | 86.60 | 87.80 | 875 | NYSE | PDS | Fri, Apr 24, 2009 | 90.60 | 95.20 | 90.60 | 93.80 | 874 | NYSE | PDS | Thu, Apr 23, 2009 | 93.00 | 96.60 | 87.00 | 88.60 | 873 | NYSE | PDS | Wed, Apr 22, 2009 | 83.80 | 95.60 | 80.60 | 90.60 | 872 | NYSE | PDS | Tue, Apr 21, 2009 | 72.80 | 85.40 | 69.00 | 83.80 | 871 | NYSE | PDS | Mon, Apr 20, 2009 | 77.20 | 77.20 | 64.00 | 73.40 | 870 | NYSE | PDS | Fri, Apr 17, 2009 | 77.60 | 82.00 | 77.40 | 80.40 | 869 | NYSE | PDS | Thu, Apr 16, 2009 | 74.60 | 76.20 | 72.60 | 74.60 | 868 | NYSE | PDS | Wed, Apr 15, 2009 | 74.60 | 76.00 | 71.60 | 73.20 | 867 | NYSE | PDS | Tue, Apr 14, 2009 | 72.40 | 76.00 | 70.78 | 74.60 | 866 | NYSE | PDS | Mon, Apr 13, 2009 | 69.80 | 74.00 | 66.80 | 71.00 | 865 | NYSE | PDS | Thu, Apr 9, 2009 | 67.00 | 70.80 | 67.00 | 70.00 | 864 | NYSE | PDS | Wed, Apr 8, 2009 | 64.00 | 66.80 | 63.60 | 65.20 | 863 | NYSE | PDS | Tue, Apr 7, 2009 | 67.00 | 67.00 | 63.00 | 64.20 | 862 | NYSE | PDS | Mon, Apr 6, 2009 | 68.80 | 71.00 | 66.00 | 67.80 | 861 | NYSE | PDS | Fri, Apr 3, 2009 | 63.60 | 69.20 | 62.60 | 69.00 | 860 | NYSE | PDS | Thu, Apr 2, 2009 | 61.60 | 64.80 | 61.60 | 63.60 | 859 | NYSE | PDS | Wed, Apr 1, 2009 | 52.80 | 58.60 | 52.00 | 57.20 | 858 | NYSE | PDS | Tue, Mar 31, 2009 | 55.00 | 56.80 | 53.60 | 53.60 | 857 | NYSE | PDS | Mon, Mar 30, 2009 | 58.80 | 58.80 | 53.80 | 53.80 | 856 | NYSE | PDS | Fri, Mar 27, 2009 | 61.40 | 62.40 | 59.20 | 59.20 | 855 | NYSE | PDS | Thu, Mar 26, 2009 | 60.00 | 64.40 | 60.00 | 62.60 | 854 | NYSE | PDS | Wed, Mar 25, 2009 | 54.00 | 60.00 | 52.00 | 56.80 | 853 | NYSE | PDS | Tue, Mar 24, 2009 | 52.80 | 53.40 | 51.20 | 52.20 | 852 | NYSE | PDS | Mon, Mar 23, 2009 | 49.60 | 52.40 | 48.40 | 52.00 | 851 | NYSE | PDS | Fri, Mar 20, 2009 | 49.60 | 49.60 | 46.80 | 46.80 | 850 | NYSE | PDS | Thu, Mar 19, 2009 | 52.00 | 53.00 | 48.40 | 49.80 | 849 | NYSE | PDS | Wed, Mar 18, 2009 | 50.20 | 50.20 | 46.20 | 49.20 | 848 | NYSE | PDS | Tue, Mar 17, 2009 | 48.60 | 50.00 | 46.60 | 50.00 | 847 | NYSE | PDS | Mon, Mar 16, 2009 | 48.00 | 49.80 | 46.40 | 47.80 | 846 | NYSE | PDS | Fri, Mar 13, 2009 | 49.40 | 51.00 | 45.20 | 46.40 | 845 | NYSE | PDS | Thu, Mar 12, 2009 | 44.00 | 48.80 | 43.20 | 48.60 | 844 | NYSE | PDS | Wed, Mar 11, 2009 | 45.40 | 47.00 | 43.00 | 44.20 | 843 | NYSE | PDS | Tue, Mar 10, 2009 | 42.00 | 45.00 | 41.80 | 43.00 | 842 | NYSE | PDS | Mon, Mar 9, 2009 | 41.60 | 44.40 | 40.60 | 40.80 | 841 | NYSE | PDS | Fri, Mar 6, 2009 | 43.00 | 45.40 | 41.40 | 42.80 | 840 | NYSE | PDS | Thu, Mar 5, 2009 | 46.60 | 46.60 | 43.00 | 43.40 | 839 | NYSE | PDS | Wed, Mar 4, 2009 | 47.20 | 48.80 | 44.80 | 46.60 | 838 | NYSE | PDS | Tue, Mar 3, 2009 | 49.20 | 51.00 | 43.80 | 44.40 | 837 | NYSE | PDS | Mon, Mar 2, 2009 | 52.20 | 55.20 | 47.80 | 48.80 | 836 | NYSE | PDS | Fri, Feb 27, 2009 | 53.20 | 56.80 | 48.60 | 55.20 | 835 | NYSE | PDS | Thu, Feb 26, 2009 | 53.20 | 58.20 | 51.00 | 52.00 | 834 | NYSE | PDS | Wed, Feb 25, 2009 | 50.00 | 54.20 | 45.20 | 51.20 | 833 | NYSE | PDS | Tue, Feb 24, 2009 | 48.00 | 51.40 | 46.60 | 48.80 | 832 | NYSE | PDS | Mon, Feb 23, 2009 | 45.60 | 52.00 | 45.60 | 47.60 | 831 | NYSE | PDS | Fri, Feb 20, 2009 | 44.40 | 46.00 | 42.60 | 45.20 | 830 | NYSE | PDS | Thu, Feb 19, 2009 | 50.00 | 50.00 | 40.00 | 47.00 | 829 | NYSE | PDS | Wed, Feb 18, 2009 | 51.40 | 52.00 | 47.00 | 48.20 | 828 | NYSE | PDS | Tue, Feb 17, 2009 | 63.00 | 63.00 | 47.00 | 50.00 | 827 | NYSE | PDS | Fri, Feb 13, 2009 | 68.80 | 68.80 | 62.20 | 64.40 | 826 | NYSE | PDS | Thu, Feb 12, 2009 | 69.00 | 71.00 | 65.20 | 69.00 | 825 | NYSE | PDS | Wed, Feb 11, 2009 | 73.60 | 74.00 | 67.00 | 73.00 | 824 | NYSE | PDS | Tue, Feb 10, 2009 | 75.40 | 75.80 | 69.60 | 75.00 | 823 | NYSE | PDS | Mon, Feb 9, 2009 | 77.00 | 83.60 | 71.00 | 76.00 | 822 | NYSE | PDS | Fri, Feb 6, 2009 | 73.80 | 84.40 | 73.00 | 79.60 | 821 | NYSE | PDS | Thu, Feb 5, 2009 | 78.00 | 78.20 | 70.60 | 73.80 | 820 | NYSE | PDS | Wed, Feb 4, 2009 | 83.80 | 84.80 | 78.20 | 78.20 | 819 | NYSE | PDS | Tue, Feb 3, 2009 | 88.40 | 89.00 | 81.40 | 82.20 | 818 | NYSE | PDS | Mon, Feb 2, 2009 | 97.20 | 99.60 | 84.21 | 85.40 | 817 | NYSE | PDS | Fri, Jan 30, 2009 | 102.40 | 108.00 | 98.40 | 99.40 | 816 | NYSE | PDS | Thu, Jan 29, 2009 | 106.60 | 108.60 | 102.60 | 102.80 | 815 | NYSE | PDS | Wed, Jan 28, 2009 | 117.20 | 119.80 | 107.00 | 108.00 | 814 | NYSE | PDS | Tue, Jan 27, 2009 | 117.00 | 120.20 | 114.00 | 115.00 | 813 | NYSE | PDS | Mon, Jan 26, 2009 | 114.00 | 118.40 | 112.40 | 115.00 | 812 | NYSE | PDS | Fri, Jan 23, 2009 | 109.00 | 115.60 | 103.20 | 111.40 | 811 | NYSE | PDS | Thu, Jan 22, 2009 | 118.00 | 118.40 | 104.40 | 109.20 | 810 | NYSE | PDS | Wed, Jan 21, 2009 | 128.60 | 128.60 | 115.00 | 120.40 | 809 | NYSE | PDS | Tue, Jan 20, 2009 | 126.00 | 128.00 | 118.40 | 118.40 | 808 | NYSE | PDS | Fri, Jan 16, 2009 | 129.80 | 132.99 | 123.00 | 125.00 | 807 | NYSE | PDS | Thu, Jan 15, 2009 | 129.00 | 130.40 | 119.20 | 126.00 | 806 | NYSE | PDS | Wed, Jan 14, 2009 | 134.40 | 137.40 | 128.20 | 129.40 | 805 | NYSE | PDS | Tue, Jan 13, 2009 | 138.00 | 140.00 | 135.00 | 137.20 | 804 | NYSE | PDS | Mon, Jan 12, 2009 | 145.00 | 145.00 | 135.20 | 137.20 | 803 | NYSE | PDS | Fri, Jan 9, 2009 | 146.00 | 149.20 | 143.00 | 145.80 | 802 | NYSE | PDS | Thu, Jan 8, 2009 | 143.00 | 147.00 | 139.60 | 145.60 | 801 | NYSE | PDS | Wed, Jan 7, 2009 | 150.00 | 152.20 | 140.40 | 144.00 | 800 | NYSE | PDS | Tue, Jan 6, 2009 | 158.60 | 160.00 | 149.20 | 152.00 | 799 | NYSE | PDS | Mon, Jan 5, 2009 | 162.00 | 164.00 | 151.00 | 155.00 | 798 | NYSE | PDS | Fri, Jan 2, 2009 | 167.80 | 170.80 | 158.40 | 159.40 | 797 | NYSE | PDS | Wed, Dec 31, 2008 | 174.60 | 193.00 | 165.40 | 167.80 | 796 | NYSE | PDS | Tue, Dec 30, 2008 | 168.60 | 176.20 | 162.40 | 173.60 | 795 | NYSE | PDS | Mon, Dec 29, 2008 | 164.00 | 174.80 | 159.00 | 174.80 | 794 | NYSE | PDS | Fri, Dec 26, 2008 | 158.00 | 169.60 | 151.00 | 169.00 | 793 | NYSE | PDS | Wed, Dec 24, 2008 | 148.00 | 153.80 | 143.60 | 153.00 | 792 | NYSE | PDS | Tue, Dec 23, 2008 | 144.40 | 147.00 | 132.00 | 146.40 | 791 | NYSE | PDS | Mon, Dec 22, 2008 | 141.80 | 147.60 | 131.60 | 139.80 | 790 | NYSE | PDS | Fri, Dec 19, 2008 | 125.80 | 137.00 | 122.60 | 135.00 | 789 | NYSE | PDS | Thu, Dec 18, 2008 | 131.60 | 134.00 | 125.80 | 127.20 | 788 | NYSE | PDS | Wed, Dec 17, 2008 | 141.20 | 143.00 | 131.00 | 134.00 | 787 | NYSE | PDS | Tue, Dec 16, 2008 | 130.20 | 142.20 | 130.20 | 142.20 | 786 | NYSE | PDS | Mon, Dec 15, 2008 | 132.40 | 137.00 | 129.00 | 131.20 | 785 | NYSE | PDS | Fri, Dec 12, 2008 | 124.60 | 135.00 | 114.20 | 133.20 | 784 | NYSE | PDS | Thu, Dec 11, 2008 | 134.60 | 134.60 | 117.00 | 122.20 | 783 | NYSE | PDS | Wed, Dec 10, 2008 | 135.60 | 138.00 | 129.80 | 134.40 | 782 | NYSE | PDS | Tue, Dec 9, 2008 | 140.00 | 142.60 | 126.60 | 130.00 | 781 | NYSE | PDS | Mon, Dec 8, 2008 | 136.20 | 140.40 | 130.60 | 139.40 | 780 | NYSE | PDS | Fri, Dec 5, 2008 | 126.00 | 127.80 | 111.40 | 126.40 | 779 | NYSE | PDS | Thu, Dec 4, 2008 | 143.00 | 143.40 | 119.20 | 125.80 | 778 | NYSE | PDS | Wed, Dec 3, 2008 | 144.60 | 144.80 | 125.00 | 142.40 | 777 | NYSE | PDS | Tue, Dec 2, 2008 | 158.80 | 163.60 | 133.60 | 152.00 | 776 | NYSE | PDS | Mon, Dec 1, 2008 | 155.20 | 162.80 | 150.00 | 156.60 | 775 | NYSE | PDS | Fri, Nov 28, 2008 | 163.60 | 168.80 | 158.20 | 160.80 | 774 | NYSE | PDS | Wed, Nov 26, 2008 | 174.80 | 174.80 | 154.00 | 165.20 | 773 | NYSE | PDS | Tue, Nov 25, 2008 | 160.00 | 170.20 | 156.40 | 170.00 | 772 | NYSE | PDS | Mon, Nov 24, 2008 | 154.00 | 169.20 | 154.00 | 163.00 | 771 | NYSE | PDS | Fri, Nov 21, 2008 | 136.60 | 153.40 | 128.52 | 153.20 | 770 | NYSE | PDS | Thu, Nov 20, 2008 | 160.00 | 160.00 | 127.20 | 129.80 | 769 | NYSE | PDS | Wed, Nov 19, 2008 | 177.80 | 182.00 | 158.20 | 160.40 | 768 | NYSE | PDS | Tue, Nov 18, 2008 | 197.20 | 197.20 | 175.00 | 182.60 | 767 | NYSE | PDS | Mon, Nov 17, 2008 | 179.00 | 190.80 | 169.80 | 181.40 | 766 | NYSE | PDS | Fri, Nov 14, 2008 | 191.00 | 193.00 | 174.00 | 176.80 | 765 | NYSE | PDS | Thu, Nov 13, 2008 | 174.20 | 192.60 | 167.20 | 191.20 | 764 | NYSE | PDS | Wed, Nov 12, 2008 | 185.00 | 187.40 | 166.80 | 173.00 | 763 | NYSE | PDS | Tue, Nov 11, 2008 | 197.40 | 201.40 | 182.20 | 187.20 | 762 | NYSE | PDS | Mon, Nov 10, 2008 | 219.80 | 219.80 | 194.20 | 200.20 | 761 | NYSE | PDS | Fri, Nov 7, 2008 | 212.20 | 221.80 | 199.00 | 205.00 | 760 | NYSE | PDS | Thu, Nov 6, 2008 | 219.80 | 229.60 | 194.20 | 208.20 | 759 | NYSE | PDS | Wed, Nov 5, 2008 | 232.00 | 232.00 | 214.00 | 221.60 | 758 | NYSE | PDS | Tue, Nov 4, 2008 | 215.00 | 241.20 | 215.00 | 232.20 | 757 | NYSE | PDS | Mon, Nov 3, 2008 | 214.80 | 220.00 | 207.60 | 209.60 | 756 | NYSE | PDS | Fri, Oct 31, 2008 | 214.00 | 220.00 | 199.00 | 214.80 | 755 | NYSE | PDS | Thu, Oct 30, 2008 | 222.00 | 228.00 | 206.00 | 213.40 | 754 | NYSE | PDS | Wed, Oct 29, 2008 | 207.80 | 220.00 | 194.00 | 209.60 | 753 | NYSE | PDS | Tue, Oct 28, 2008 | 200.00 | 200.00 | 174.00 | 193.80 | 752 | NYSE | PDS | Mon, Oct 27, 2008 | 200.00 | 203.20 | 177.80 | 178.00 | 751 | NYSE | PDS | Fri, Oct 24, 2008 | 200.00 | 219.60 | 185.80 | 202.20 | 750 | NYSE | PDS | Thu, Oct 23, 2008 | 216.40 | 225.20 | 193.00 | 214.00 | 749 | NYSE | PDS | Wed, Oct 22, 2008 | 218.60 | 220.20 | 196.20 | 205.20 | 748 | NYSE | PDS | Tue, Oct 21, 2008 | 215.00 | 241.20 | 211.20 | 231.00 | 747 | NYSE | PDS | Mon, Oct 20, 2008 | 222.80 | 244.20 | 212.00 | 219.20 | 746 | NYSE | PDS | Fri, Oct 17, 2008 | 191.40 | 239.40 | 189.60 | 211.20 | 745 | NYSE | PDS | Thu, Oct 16, 2008 | 180.00 | 206.00 | 176.00 | 196.00 | 744 | NYSE | PDS | Wed, Oct 15, 2008 | 197.00 | 200.00 | 168.20 | 177.20 | 743 | NYSE | PDS | Tue, Oct 14, 2008 | 220.00 | 235.60 | 188.60 | 197.80 | 742 | NYSE | PDS | Mon, Oct 13, 2008 | 195.80 | 220.00 | 186.00 | 218.40 | 741 | NYSE | PDS | Fri, Oct 10, 2008 | 207.40 | 216.84 | 179.00 | 187.00 | 740 | NYSE | PDS | Thu, Oct 9, 2008 | 237.80 | 241.80 | 206.00 | 212.40 | 739 | NYSE | PDS | Wed, Oct 8, 2008 | 229.00 | 239.00 | 205.00 | 233.60 | 738 | NYSE | PDS | Tue, Oct 7, 2008 | 254.60 | 263.60 | 234.00 | 235.00 | 737 | NYSE | PDS | Mon, Oct 6, 2008 | 258.00 | 261.80 | 229.00 | 249.80 | 736 | NYSE | PDS | Fri, Oct 3, 2008 | 277.00 | 294.40 | 265.60 | 267.80 | 735 | NYSE | PDS | Thu, Oct 2, 2008 | 312.00 | 312.00 | 260.20 | 268.80 | 734 | NYSE | PDS | Wed, Oct 1, 2008 | 336.40 | 336.40 | 308.40 | 311.60 | 733 | NYSE | PDS | Tue, Sep 30, 2008 | 315.00 | 333.80 | 313.40 | 331.40 | 732 | NYSE | PDS | Mon, Sep 29, 2008 | 331.80 | 331.80 | 308.40 | 315.60 | 731 | NYSE | PDS | Fri, Sep 26, 2008 | 338.20 | 347.20 | 328.00 | 336.20 | 730 | NYSE | PDS | Thu, Sep 25, 2008 | 346.80 | 356.80 | 343.20 | 349.80 | 729 | NYSE | PDS | Wed, Sep 24, 2008 | 353.00 | 356.40 | 344.40 | 345.20 | 728 | NYSE | PDS | Tue, Sep 23, 2008 | 363.60 | 364.00 | 341.80 | 346.00 | 727 | NYSE | PDS | Mon, Sep 22, 2008 | 354.00 | 372.00 | 353.00 | 355.60 | 726 | NYSE | PDS | Fri, Sep 19, 2008 | 337.00 | 370.80 | 335.80 | 353.40 | 725 | NYSE | PDS | Thu, Sep 18, 2008 | 320.60 | 339.00 | 308.40 | 323.20 | 724 | NYSE | PDS | Wed, Sep 17, 2008 | 332.60 | 332.60 | 310.00 | 316.40 | 723 | NYSE | PDS | Tue, Sep 16, 2008 | 335.00 | 351.40 | 315.20 | 322.20 | 722 | NYSE | PDS | Mon, Sep 15, 2008 | 331.40 | 350.20 | 331.00 | 338.20 | 721 | NYSE | PDS | Fri, Sep 12, 2008 | 353.20 | 373.20 | 353.20 | 360.80 | 720 | NYSE | PDS | Thu, Sep 11, 2008 | 347.00 | 348.00 | 330.00 | 347.40 | 719 | NYSE | PDS | Wed, Sep 10, 2008 | 347.40 | 358.62 | 332.80 | 345.40 | 718 | NYSE | PDS | Tue, Sep 9, 2008 | 361.60 | 361.80 | 341.60 | 345.80 | 717 | NYSE | PDS | Mon, Sep 8, 2008 | 388.60 | 396.80 | 357.60 | 364.60 | 716 | NYSE | PDS | Fri, Sep 5, 2008 | 388.20 | 388.20 | 370.60 | 379.20 | 715 | NYSE | PDS | Thu, Sep 4, 2008 | 393.00 | 396.80 | 374.20 | 383.20 | 714 | NYSE | PDS | Wed, Sep 3, 2008 | 392.20 | 398.20 | 383.40 | 392.00 | 713 | NYSE | PDS | Tue, Sep 2, 2008 | 421.00 | 421.00 | 389.00 | 390.00 | 712 | NYSE | PDS | Fri, Aug 29, 2008 | 431.80 | 431.80 | 420.00 | 423.20 | 711 | NYSE | PDS | Thu, Aug 28, 2008 | 433.40 | 439.80 | 421.00 | 424.80 | 710 | NYSE | PDS | Wed, Aug 27, 2008 | 425.60 | 437.30 | 420.20 | 434.00 | 709 | NYSE | PDS | Tue, Aug 26, 2008 | 407.80 | 418.00 | 406.40 | 416.60 | 708 | NYSE | PDS | Mon, Aug 25, 2008 | 420.00 | 420.20 | 392.20 | 403.60 | 707 | NYSE | PDS | Fri, Aug 22, 2008 | 436.80 | 437.80 | 423.00 | 427.00 | 706 | NYSE | PDS | Thu, Aug 21, 2008 | 408.60 | 447.40 | 408.40 | 441.00 | 705 | NYSE | PDS | Wed, Aug 20, 2008 | 400.60 | 410.00 | 392.00 | 401.80 | 704 | NYSE | PDS | Tue, Aug 19, 2008 | 389.40 | 400.00 | 388.60 | 397.20 | 703 | NYSE | PDS | Mon, Aug 18, 2008 | 403.80 | 411.00 | 386.20 | 389.60 | 702 | NYSE | PDS | Fri, Aug 15, 2008 | 400.00 | 409.60 | 393.00 | 407.20 | 701 | NYSE | PDS | Thu, Aug 14, 2008 | 415.60 | 415.60 | 399.40 | 401.20 | 700 | NYSE | PDS | Wed, Aug 13, 2008 | 401.40 | 414.00 | 394.40 | 412.20 | 699 | NYSE | PDS | Tue, Aug 12, 2008 | 398.00 | 402.60 | 393.20 | 397.60 | 698 | NYSE | PDS | Mon, Aug 11, 2008 | 413.00 | 417.80 | 386.00 | 396.20 | 697 | NYSE | PDS | Fri, Aug 8, 2008 | 416.00 | 416.00 | 394.00 | 406.80 | 696 | NYSE | PDS | Thu, Aug 7, 2008 | 421.40 | 429.60 | 414.00 | 416.00 | 695 | NYSE | PDS | Wed, Aug 6, 2008 | 423.40 | 436.60 | 413.40 | 417.40 | 694 | NYSE | PDS | Tue, Aug 5, 2008 | 428.80 | 450.40 | 414.00 | 415.60 | 693 | NYSE | PDS | Mon, Aug 4, 2008 | 447.60 | 451.40 | 418.00 | 423.60 | 692 | NYSE | PDS | Fri, Aug 1, 2008 | 445.20 | 457.80 | 443.20 | 449.80 | 691 | NYSE | PDS | Thu, Jul 31, 2008 | 460.20 | 460.20 | 441.80 | 450.40 | 690 | NYSE | PDS | Wed, Jul 30, 2008 | 433.40 | 446.80 | 424.00 | 444.40 | 689 | NYSE | PDS | Tue, Jul 29, 2008 | 440.00 | 450.00 | 421.60 | 424.00 | 688 | NYSE | PDS | Mon, Jul 28, 2008 | 444.00 | 462.00 | 440.80 | 442.80 | 687 | NYSE | PDS | Fri, Jul 25, 2008 | 429.80 | 443.40 | 429.20 | 439.40 | 686 | NYSE | PDS | Thu, Jul 24, 2008 | 439.80 | 447.60 | 420.20 | 426.40 | 685 | NYSE | PDS | Wed, Jul 23, 2008 | 460.00 | 460.00 | 431.00 | 431.40 | 684 | NYSE | PDS | Tue, Jul 22, 2008 | 488.00 | 488.00 | 461.40 | 467.80 | 683 | NYSE | PDS | Mon, Jul 21, 2008 | 473.40 | 493.00 | 468.40 | 479.60 | 682 | NYSE | PDS | Fri, Jul 18, 2008 | 458.40 | 485.80 | 458.40 | 472.80 | 681 | NYSE | PDS | Thu, Jul 17, 2008 | 468.20 | 488.20 | 447.40 | 459.20 | 680 | NYSE | PDS | Wed, Jul 16, 2008 | 490.20 | 490.20 | 463.20 | 473.80 | 679 | NYSE | PDS | Tue, Jul 15, 2008 | 505.80 | 507.40 | 475.00 | 492.00 | 678 | NYSE | PDS | Mon, Jul 14, 2008 | 493.80 | 503.00 | 489.60 | 500.00 | 677 | NYSE | PDS | Fri, Jul 11, 2008 | 488.20 | 499.40 | 476.40 | 484.40 | 676 | NYSE | PDS | Thu, Jul 10, 2008 | 499.20 | 499.80 | 480.20 | 491.80 | 675 | NYSE | PDS | Wed, Jul 9, 2008 | 477.60 | 511.40 | 477.60 | 488.00 | 674 | NYSE | PDS | Tue, Jul 8, 2008 | 481.00 | 481.20 | 454.60 | 477.60 | 673 | NYSE | PDS | Mon, Jul 7, 2008 | 507.60 | 518.40 | 472.20 | 494.00 | 672 | NYSE | PDS | Thu, Jul 3, 2008 | 526.00 | 533.80 | 507.40 | 523.00 | 671 | NYSE | PDS | Wed, Jul 2, 2008 | 553.20 | 553.20 | 523.20 | 530.40 | 670 | NYSE | PDS | Tue, Jul 1, 2008 | 539.00 | 563.00 | 539.00 | 553.20 | 669 | NYSE | PDS | Mon, Jun 30, 2008 | 555.80 | 555.80 | 537.00 | 544.80 | 668 | NYSE | PDS | Fri, Jun 27, 2008 | 535.40 | 551.00 | 535.00 | 546.80 | 667 | NYSE | PDS | Thu, Jun 26, 2008 | 540.20 | 551.20 | 525.20 | 532.60 | 666 | NYSE | PDS | Wed, Jun 25, 2008 | 556.80 | 556.80 | 534.40 | 546.00 | 665 | NYSE | PDS | Tue, Jun 24, 2008 | 556.40 | 564.60 | 546.60 | 557.20 | 664 | NYSE | PDS | Mon, Jun 23, 2008 | 533.80 | 561.20 | 530.00 | 559.60 | 663 | NYSE | PDS | Fri, Jun 20, 2008 | 551.00 | 555.40 | 534.20 | 534.80 | 662 | NYSE | PDS | Thu, Jun 19, 2008 | 567.20 | 571.80 | 545.00 | 551.00 | 661 | NYSE | PDS | Wed, Jun 18, 2008 | 552.80 | 564.80 | 548.60 | 563.20 | 660 | NYSE | PDS | Tue, Jun 17, 2008 | 552.00 | 553.20 | 540.60 | 550.80 | 659 | NYSE | PDS | Mon, Jun 16, 2008 | 538.80 | 553.40 | 534.00 | 548.60 | 658 | NYSE | PDS | Fri, Jun 13, 2008 | 534.40 | 538.40 | 527.00 | 534.40 | 657 | NYSE | PDS | Thu, Jun 12, 2008 | 539.80 | 546.20 | 530.80 | 538.20 | 656 | NYSE | PDS | Wed, Jun 11, 2008 | 534.40 | 540.60 | 521.60 | 539.00 | 655 | NYSE | PDS | Tue, Jun 10, 2008 | 539.20 | 548.00 | 515.20 | 529.20 | 654 | NYSE | PDS | Mon, Jun 9, 2008 | 547.40 | 553.20 | 539.40 | 550.00 | 653 | NYSE | PDS | Fri, Jun 6, 2008 | 540.00 | 550.00 | 534.20 | 547.40 | 652 | NYSE | PDS | Thu, Jun 5, 2008 | 528.40 | 545.00 | 520.00 | 541.40 | 651 | NYSE | PDS | Wed, Jun 4, 2008 | 542.40 | 542.40 | 523.00 | 527.60 | 650 | NYSE | PDS | Tue, Jun 3, 2008 | 556.20 | 556.20 | 538.20 | 543.40 | 649 | NYSE | PDS | Mon, Jun 2, 2008 | 529.00 | 557.20 | 523.20 | 556.20 | 648 | NYSE | PDS | Fri, May 30, 2008 | 536.60 | 542.80 | 529.80 | 533.60 | 647 | NYSE | PDS | Thu, May 29, 2008 | 527.40 | 539.00 | 514.00 | 538.20 | 646 | NYSE | PDS | Wed, May 28, 2008 | 513.40 | 531.20 | 508.40 | 528.80 | 645 | NYSE | PDS | Tue, May 27, 2008 | 531.20 | 531.20 | 512.40 | 519.20 | 644 | NYSE | PDS | Fri, May 23, 2008 | 543.80 | 547.60 | 526.20 | 531.20 | 643 | NYSE | PDS | Thu, May 22, 2008 | 548.60 | 554.00 | 542.00 | 543.80 | 642 | NYSE | PDS | Wed, May 21, 2008 | 561.80 | 566.00 | 542.00 | 547.00 | 641 | NYSE | PDS | Tue, May 20, 2008 | 546.00 | 559.00 | 541.00 | 558.00 | 640 | NYSE | PDS | Mon, May 19, 2008 | 545.20 | 551.00 | 532.20 | 535.40 | 639 | NYSE | PDS | Fri, May 16, 2008 | 546.60 | 557.00 | 533.00 | 541.20 | 638 | NYSE | PDS | Thu, May 15, 2008 | 554.20 | 559.60 | 531.80 | 544.60 | 637 | NYSE | PDS | Wed, May 14, 2008 | 562.00 | 567.60 | 554.40 | 554.80 | 636 | NYSE | PDS | Tue, May 13, 2008 | 540.00 | 562.40 | 532.60 | 560.80 | 635 | NYSE | PDS | Mon, May 12, 2008 | 552.00 | 552.00 | 538.00 | 544.40 | 634 | NYSE | PDS | Fri, May 9, 2008 | 538.20 | 554.80 | 538.20 | 554.00 | 633 | NYSE | PDS | Thu, May 8, 2008 | 523.20 | 550.00 | 518.60 | 545.40 | 632 | NYSE | PDS | Wed, May 7, 2008 | 516.60 | 529.40 | 511.20 | 521.20 | 631 | NYSE | PDS | Tue, May 6, 2008 | 510.60 | 528.20 | 509.00 | 518.80 | 630 | NYSE | PDS | Mon, May 5, 2008 | 507.00 | 512.00 | 499.60 | 509.00 | 629 | NYSE | PDS | Fri, May 2, 2008 | 488.60 | 509.40 | 487.40 | 508.00 | 628 | NYSE | PDS | Thu, May 1, 2008 | 501.20 | 501.60 | 480.60 | 491.00 | 627 | NYSE | PDS | Wed, Apr 30, 2008 | 498.40 | 510.00 | 493.00 | 501.20 | 626 | NYSE | PDS | Tue, Apr 29, 2008 | 509.20 | 509.20 | 495.00 | 498.40 | 625 | NYSE | PDS | Mon, Apr 28, 2008 | 510.00 | 513.20 | 503.00 | 509.80 | 624 | NYSE | PDS | Fri, Apr 25, 2008 | 483.00 | 512.20 | 478.00 | 510.80 | 623 | NYSE | PDS | Thu, Apr 24, 2008 | 504.80 | 504.80 | 473.00 | 484.00 | 622 | NYSE | PDS | Wed, Apr 23, 2008 | 510.20 | 521.80 | 494.60 | 508.40 | 621 | NYSE | PDS | Tue, Apr 22, 2008 | 540.00 | 540.00 | 525.60 | 532.00 | 620 | NYSE | PDS | Mon, Apr 21, 2008 | 529.80 | 545.00 | 529.60 | 543.00 | 619 | NYSE | PDS | Fri, Apr 18, 2008 | 525.20 | 531.00 | 514.20 | 529.00 | 618 | NYSE | PDS | Thu, Apr 17, 2008 | 505.80 | 532.80 | 504.00 | 530.60 | 617 | NYSE | PDS | Wed, Apr 16, 2008 | 495.60 | 511.20 | 495.60 | 508.80 | 616 | NYSE | PDS | Tue, Apr 15, 2008 | 495.00 | 498.40 | 483.40 | 494.00 | 615 | NYSE | PDS | Mon, Apr 14, 2008 | 468.00 | 498.80 | 468.00 | 495.00 | 614 | NYSE | PDS | Fri, Apr 11, 2008 | 480.00 | 480.00 | 462.40 | 469.20 | 613 | NYSE | PDS | Thu, Apr 10, 2008 | 474.00 | 490.00 | 471.20 | 480.28 | 612 | NYSE | PDS | Wed, Apr 9, 2008 | 481.00 | 483.20 | 473.80 | 475.80 | 611 | NYSE | PDS | Tue, Apr 8, 2008 | 480.00 | 486.80 | 479.80 | 482.00 | 610 | NYSE | PDS | Mon, Apr 7, 2008 | 480.00 | 486.80 | 479.60 | 480.80 | 609 | NYSE | PDS | Fri, Apr 4, 2008 | 458.00 | 479.60 | 455.80 | 478.60 | 608 | NYSE | PDS | Thu, Apr 3, 2008 | 459.20 | 462.00 | 450.40 | 458.60 | 607 | NYSE | PDS | Wed, Apr 2, 2008 | 458.00 | 461.40 | 448.40 | 456.40 | 606 | NYSE | PDS | Tue, Apr 1, 2008 | 466.20 | 466.20 | 437.80 | 454.00 | 605 | NYSE | PDS | Mon, Mar 31, 2008 | 456.80 | 467.60 | 453.80 | 464.00 | 604 | NYSE | PDS | Fri, Mar 28, 2008 | 460.00 | 470.40 | 456.00 | 457.80 | 603 | NYSE | PDS | Thu, Mar 27, 2008 | 450.40 | 468.00 | 450.40 | 459.80 | 602 | NYSE | PDS | Wed, Mar 26, 2008 | 437.80 | 470.60 | 436.80 | 455.60 | 601 | NYSE | PDS | Tue, Mar 25, 2008 | 417.80 | 437.29 | 411.80 | 436.20 | 600 | NYSE | PDS | Mon, Mar 24, 2008 | 398.20 | 415.60 | 398.20 | 411.80 | 599 | NYSE | PDS | Thu, Mar 20, 2008 | 404.00 | 408.00 | 389.20 | 401.40 | 598 | NYSE | PDS | Wed, Mar 19, 2008 | 430.20 | 431.00 | 407.80 | 408.80 | 597 | NYSE | PDS | Tue, Mar 18, 2008 | 409.60 | 432.60 | 406.00 | 432.00 | 596 | NYSE | PDS | Mon, Mar 17, 2008 | 402.20 | 412.80 | 398.20 | 401.60 | 595 | NYSE | PDS | Fri, Mar 14, 2008 | 415.80 | 421.40 | 409.00 | 413.40 | 594 | NYSE | PDS | Thu, Mar 13, 2008 | 419.40 | 424.00 | 416.00 | 419.40 | 593 | NYSE | PDS | Wed, Mar 12, 2008 | 417.20 | 427.80 | 414.20 | 420.60 | 592 | NYSE | PDS | Tue, Mar 11, 2008 | 411.60 | 415.60 | 395.00 | 415.40 | 591 | NYSE | PDS | Mon, Mar 10, 2008 | 410.60 | 423.00 | 402.29 | 404.00 | 590 | NYSE | PDS | Fri, Mar 7, 2008 | 411.60 | 419.40 | 404.20 | 410.60 | 589 | NYSE | PDS | Thu, Mar 6, 2008 | 418.60 | 425.80 | 408.80 | 411.80 | 588 | NYSE | PDS | Wed, Mar 5, 2008 | 426.60 | 433.80 | 418.80 | 420.80 | 587 | NYSE | PDS | Tue, Mar 4, 2008 | 423.00 | 428.60 | 410.40 | 426.60 | 586 | NYSE | PDS | Mon, Mar 3, 2008 | 449.20 | 449.20 | 427.80 | 431.40 | 585 | NYSE | PDS | Fri, Feb 29, 2008 | 458.20 | 458.20 | 444.40 | 449.00 | 584 | NYSE | PDS | Thu, Feb 28, 2008 | 446.00 | 457.80 | 444.60 | 456.00 | 583 | NYSE | PDS | Wed, Feb 27, 2008 | 455.00 | 456.00 | 442.40 | 445.00 | 582 | NYSE | PDS | Tue, Feb 26, 2008 | 442.40 | 457.80 | 442.40 | 457.00 | 581 | NYSE | PDS | Mon, Feb 25, 2008 | 427.80 | 447.40 | 415.60 | 445.80 | 580 | NYSE | PDS | Fri, Feb 22, 2008 | 404.60 | 425.60 | 401.60 | 424.20 | 579 | NYSE | PDS | Thu, Feb 21, 2008 | 397.80 | 406.60 | 396.40 | 401.40 | 578 | NYSE | PDS | Wed, Feb 20, 2008 | 382.80 | 403.40 | 381.00 | 398.20 | 577 | NYSE | PDS | Tue, Feb 19, 2008 | 391.80 | 393.20 | 380.40 | 386.00 | 576 | NYSE | PDS | Fri, Feb 15, 2008 | 378.40 | 398.00 | 377.60 | 381.40 | 575 | NYSE | PDS | Thu, Feb 14, 2008 | 389.60 | 399.60 | 389.40 | 395.00 | 574 | NYSE | PDS | Wed, Feb 13, 2008 | 371.00 | 389.00 | 371.00 | 386.20 | 573 | NYSE | PDS | Tue, Feb 12, 2008 | 382.40 | 385.40 | 372.60 | 374.80 | 572 | NYSE | PDS | Mon, Feb 11, 2008 | 384.60 | 384.60 | 377.80 | 379.00 | 571 | NYSE | PDS | Fri, Feb 8, 2008 | 384.80 | 387.80 | 379.40 | 382.40 | 570 | NYSE | PDS | Thu, Feb 7, 2008 | 372.00 | 385.00 | 372.00 | 384.20 | 569 | NYSE | PDS | Wed, Feb 6, 2008 | 368.20 | 376.80 | 359.83 | 373.80 | 568 | NYSE | PDS | Tue, Feb 5, 2008 | 371.40 | 371.40 | 354.20 | 359.40 | 567 | NYSE | PDS | Mon, Feb 4, 2008 | 361.80 | 385.40 | 361.20 | 375.00 | 566 | NYSE | PDS | Fri, Feb 1, 2008 | 346.00 | 363.00 | 342.00 | 362.80 | 565 | NYSE | PDS | Thu, Jan 31, 2008 | 340.40 | 345.60 | 336.00 | 344.20 | 564 | NYSE | PDS | Wed, Jan 30, 2008 | 342.00 | 348.00 | 338.80 | 343.80 | 563 | NYSE | PDS | Tue, Jan 29, 2008 | 334.00 | 340.00 | 332.00 | 339.80 | 562 | NYSE | PDS | Mon, Jan 28, 2008 | 333.00 | 334.80 | 329.40 | 332.80 | 561 | NYSE | PDS | Fri, Jan 25, 2008 | 331.40 | 337.43 | 329.60 | 334.60 | 560 | NYSE | PDS | Thu, Jan 24, 2008 | 321.20 | 336.20 | 317.20 | 331.20 | 559 | NYSE | PDS | Wed, Jan 23, 2008 | 319.60 | 321.80 | 307.80 | 317.20 | 558 | NYSE | PDS | Tue, Jan 22, 2008 | 310.20 | 326.80 | 310.20 | 323.80 | 557 | NYSE | PDS | Fri, Jan 18, 2008 | 335.40 | 336.00 | 314.40 | 324.60 | 556 | NYSE | PDS | Thu, Jan 17, 2008 | 337.40 | 338.80 | 324.40 | 333.60 | 555 | NYSE | PDS | Wed, Jan 16, 2008 | 339.40 | 340.80 | 322.00 | 333.20 | 554 | NYSE | PDS | Tue, Jan 15, 2008 | 348.00 | 351.20 | 336.00 | 337.80 | 553 | NYSE | PDS | Mon, Jan 14, 2008 | 334.60 | 354.00 | 332.20 | 351.20 | 552 | NYSE | PDS | Fri, Jan 11, 2008 | 314.00 | 339.80 | 310.60 | 332.80 | 551 | NYSE | PDS | Thu, Jan 10, 2008 | 305.20 | 315.60 | 305.00 | 313.80 | 550 | NYSE | PDS | Wed, Jan 9, 2008 | 309.40 | 309.40 | 305.00 | 307.00 | 549 | NYSE | PDS | Tue, Jan 8, 2008 | 304.80 | 308.80 | 304.80 | 305.80 | 548 | NYSE | PDS | Mon, Jan 7, 2008 | 308.00 | 310.00 | 303.00 | 303.60 | 547 | NYSE | PDS | Fri, Jan 4, 2008 | 309.20 | 314.80 | 305.00 | 308.00 | 546 | NYSE | PDS | Thu, Jan 3, 2008 | 310.00 | 316.80 | 308.60 | 313.40 | 545 | NYSE | PDS | Wed, Jan 2, 2008 | 308.40 | 310.20 | 305.00 | 308.20 | 544 | NYSE | PDS | Mon, Dec 31, 2007 | 311.00 | 312.00 | 302.20 | 303.40 | 543 | NYSE | PDS | Fri, Dec 28, 2007 | 303.60 | 312.20 | 303.60 | 311.60 | 542 | NYSE | PDS | Thu, Dec 27, 2007 | 302.00 | 310.00 | 302.00 | 305.20 | 541 | NYSE | PDS | Wed, Dec 26, 2007 | 310.00 | 310.20 | 304.00 | 309.60 | 540 | NYSE | PDS | Mon, Dec 24, 2007 | 306.00 | 308.80 | 304.20 | 307.80 | 539 | NYSE | PDS | Fri, Dec 21, 2007 | 304.00 | 306.40 | 298.20 | 304.80 | 538 | NYSE | PDS | Thu, Dec 20, 2007 | 309.00 | 309.00 | 300.60 | 303.20 | 537 | NYSE | PDS | Wed, Dec 19, 2007 | 311.00 | 314.60 | 308.80 | 308.80 | 536 | NYSE | PDS | Tue, Dec 18, 2007 | 306.00 | 309.60 | 303.20 | 308.60 | 535 | NYSE | PDS | Mon, Dec 17, 2007 | 311.40 | 311.40 | 302.80 | 306.40 | 534 | NYSE | PDS | Fri, Dec 14, 2007 | 307.20 | 311.00 | 307.20 | 309.40 | 533 | NYSE | PDS | Thu, Dec 13, 2007 | 314.40 | 316.00 | 307.00 | 309.40 | 532 | NYSE | PDS | Wed, Dec 12, 2007 | 316.20 | 318.80 | 314.60 | 315.80 | 531 | NYSE | PDS | Tue, Dec 11, 2007 | 317.00 | 320.40 | 314.00 | 315.20 | 530 | NYSE | PDS | Mon, Dec 10, 2007 | 316.00 | 319.20 | 316.00 | 318.40 | 529 | NYSE | PDS | Fri, Dec 7, 2007 | 322.00 | 322.20 | 316.00 | 318.80 | 528 | NYSE | PDS | Thu, Dec 6, 2007 | 315.60 | 321.80 | 312.60 | 320.40 | 527 | NYSE | PDS | Wed, Dec 5, 2007 | 313.00 | 323.00 | 311.60 | 313.60 | 526 | NYSE | PDS | Tue, Dec 4, 2007 | 316.40 | 318.80 | 312.60 | 312.60 | 525 | NYSE | PDS | Mon, Dec 3, 2007 | 317.80 | 320.40 | 316.00 | 316.20 | 524 | NYSE | PDS | Fri, Nov 30, 2007 | 319.60 | 325.78 | 315.60 | 319.00 | 523 | NYSE | PDS | Thu, Nov 29, 2007 | 314.20 | 326.80 | 314.20 | 320.40 | 522 | NYSE | PDS | Wed, Nov 28, 2007 | 314.20 | 321.40 | 314.20 | 317.80 | 521 | NYSE | PDS | Tue, Nov 27, 2007 | 323.20 | 325.60 | 313.00 | 314.80 | 520 | NYSE | PDS | Mon, Nov 26, 2007 | 335.00 | 335.00 | 320.20 | 323.00 | 519 | NYSE | PDS | Fri, Nov 23, 2007 | 333.00 | 334.80 | 328.40 | 334.40 | 518 | NYSE | PDS | Wed, Nov 21, 2007 | 319.20 | 332.00 | 319.20 | 331.00 | 517 | NYSE | PDS | Tue, Nov 20, 2007 | 317.60 | 327.20 | 317.60 | 325.00 | 516 | NYSE | PDS | Mon, Nov 19, 2007 | 326.80 | 334.20 | 316.60 | 322.40 | 515 | NYSE | PDS | Fri, Nov 16, 2007 | 324.60 | 330.00 | 316.40 | 328.60 | 514 | NYSE | PDS | Thu, Nov 15, 2007 | 342.60 | 342.60 | 318.00 | 319.00 | 513 | NYSE | PDS | Wed, Nov 14, 2007 | 331.00 | 346.80 | 328.60 | 340.40 | 512 | NYSE | PDS | Tue, Nov 13, 2007 | 324.40 | 331.00 | 322.00 | 330.20 | 511 | NYSE | PDS | Mon, Nov 12, 2007 | 338.40 | 338.40 | 314.00 | 324.40 | 510 | NYSE | PDS | Fri, Nov 9, 2007 | 355.00 | 355.00 | 337.00 | 338.40 | 509 | NYSE | PDS | Thu, Nov 8, 2007 | 366.40 | 366.40 | 347.20 | 356.40 | 508 | NYSE | PDS | Wed, Nov 7, 2007 | 359.80 | 369.80 | 355.60 | 362.20 | 507 | NYSE | PDS | Tue, Nov 6, 2007 | 361.60 | 365.00 | 352.00 | 360.80 | 506 | NYSE | PDS | Mon, Nov 5, 2007 | 360.00 | 362.40 | 357.20 | 360.80 | 505 | NYSE | PDS | Fri, Nov 2, 2007 | 361.80 | 364.40 | 358.07 | 363.20 | 504 | NYSE | PDS | Thu, Nov 1, 2007 | 362.40 | 368.00 | 356.00 | 356.20 | 503 | NYSE | PDS | Wed, Oct 31, 2007 | 362.80 | 370.40 | 360.40 | 364.80 | 502 | NYSE | PDS | Tue, Oct 30, 2007 | 372.60 | 373.00 | 360.40 | 363.00 | 501 | NYSE | PDS | Mon, Oct 29, 2007 | 365.40 | 378.00 | 365.40 | 372.60 | 500 | NYSE | PDS | Fri, Oct 26, 2007 | 375.00 | 376.80 | 360.60 | 365.40 | 499 | NYSE | PDS | Thu, Oct 25, 2007 | 380.60 | 380.60 | 372.00 | 375.60 | 498 | NYSE | PDS | Wed, Oct 24, 2007 | 380.00 | 380.00 | 374.00 | 377.40 | 497 | NYSE | PDS | Tue, Oct 23, 2007 | 376.40 | 380.60 | 374.60 | 378.60 | 496 | NYSE | PDS | Mon, Oct 22, 2007 | 364.80 | 376.00 | 364.80 | 373.60 | 495 | NYSE | PDS | Fri, Oct 19, 2007 | 379.20 | 380.60 | 372.40 | 372.40 | 494 | NYSE | PDS | Thu, Oct 18, 2007 | 364.00 | 382.60 | 363.40 | 381.00 | 493 | NYSE | PDS | Wed, Oct 17, 2007 | 350.40 | 365.00 | 350.00 | 364.00 | 492 | NYSE | PDS | Tue, Oct 16, 2007 | 354.20 | 354.20 | 348.40 | 350.40 | 491 | NYSE | PDS | Mon, Oct 15, 2007 | 362.00 | 363.00 | 350.00 | 352.40 | 490 | NYSE | PDS | Fri, Oct 12, 2007 | 362.60 | 365.40 | 360.40 | 360.40 | 489 | NYSE | PDS | Thu, Oct 11, 2007 | 364.80 | 365.40 | 361.20 | 362.60 | 488 | NYSE | PDS | Wed, Oct 10, 2007 | 355.80 | 361.40 | 355.80 | 359.40 | 487 | NYSE | PDS | Tue, Oct 9, 2007 | 360.80 | 365.00 | 353.00 | 356.00 | 486 | NYSE | PDS | Mon, Oct 8, 2007 | 368.60 | 369.80 | 353.60 | 354.00 | 485 | NYSE | PDS | Fri, Oct 5, 2007 | 378.80 | 380.60 | 369.40 | 370.40 | 484 | NYSE | PDS | Thu, Oct 4, 2007 | 380.00 | 380.40 | 371.60 | 375.20 | 483 | NYSE | PDS | Wed, Oct 3, 2007 | 386.00 | 387.40 | 380.00 | 381.40 | 482 | NYSE | PDS | Tue, Oct 2, 2007 | 383.60 | 388.00 | 383.20 | 387.60 | 481 | NYSE | PDS | Mon, Oct 1, 2007 | 380.40 | 393.00 | 380.00 | 384.40 | 480 | NYSE | PDS | Fri, Sep 28, 2007 | 386.20 | 388.40 | 375.40 | 383.00 | 479 | NYSE | PDS | Thu, Sep 27, 2007 | 395.20 | 398.00 | 385.00 | 385.40 | 478 | NYSE | PDS | Wed, Sep 26, 2007 | 388.00 | 396.60 | 388.00 | 392.80 | 477 | NYSE | PDS | Tue, Sep 25, 2007 | 383.40 | 389.80 | 380.60 | 388.40 | 476 | NYSE | PDS | Mon, Sep 24, 2007 | 383.00 | 390.00 | 381.00 | 385.80 | 475 | NYSE | PDS | Fri, Sep 21, 2007 | 382.40 | 384.60 | 377.72 | 384.00 | 474 | NYSE | PDS | Thu, Sep 20, 2007 | 392.00 | 394.00 | 378.60 | 382.80 | 473 | NYSE | PDS | Wed, Sep 19, 2007 | 393.00 | 400.00 | 389.60 | 391.40 | 472 | NYSE | PDS | Tue, Sep 18, 2007 | 392.40 | 395.60 | 389.80 | 392.60 | 471 | NYSE | PDS | Mon, Sep 17, 2007 | 394.00 | 397.00 | 389.40 | 393.80 | 470 | NYSE | PDS | Fri, Sep 14, 2007 | 393.00 | 400.00 | 390.00 | 397.20 | 469 | NYSE | PDS | Thu, Sep 13, 2007 | 388.20 | 397.00 | 382.40 | 394.20 | 468 | NYSE | PDS | Wed, Sep 12, 2007 | 378.60 | 389.00 | 377.20 | 383.00 | 467 | NYSE | PDS | Tue, Sep 11, 2007 | 373.20 | 382.80 | 373.20 | 381.80 | 466 | NYSE | PDS | Mon, Sep 10, 2007 | 377.20 | 378.60 | 370.00 | 370.20 | 465 | NYSE | PDS | Fri, Sep 7, 2007 | 382.20 | 382.20 | 375.00 | 378.20 | 464 | NYSE | PDS | Thu, Sep 6, 2007 | 389.40 | 390.00 | 375.40 | 380.20 | 463 | NYSE | PDS | Wed, Sep 5, 2007 | 390.00 | 391.80 | 384.00 | 391.00 | 462 | NYSE | PDS | Tue, Sep 4, 2007 | 392.00 | 393.60 | 389.00 | 392.00 | 461 | NYSE | PDS | Fri, Aug 31, 2007 | 389.00 | 395.00 | 384.60 | 389.00 | 460 | NYSE | PDS | Thu, Aug 30, 2007 | 384.00 | 389.80 | 383.40 | 385.00 | 459 | NYSE | PDS | Wed, Aug 29, 2007 | 387.80 | 389.00 | 381.00 | 386.60 | 458 | NYSE | PDS | Tue, Aug 28, 2007 | 398.20 | 398.20 | 380.00 | 381.60 | 457 | NYSE | PDS | Mon, Aug 27, 2007 | 396.20 | 406.60 | 395.00 | 398.40 | 456 | NYSE | PDS | Fri, Aug 24, 2007 | 376.60 | 388.80 | 376.20 | 386.40 | 455 | NYSE | PDS | Thu, Aug 23, 2007 | 380.60 | 383.20 | 376.00 | 379.20 | 454 | NYSE | PDS | Wed, Aug 22, 2007 | 372.80 | 385.00 | 372.80 | 374.20 | 453 | NYSE | PDS | Tue, Aug 21, 2007 | 378.00 | 381.60 | 371.20 | 372.80 | 452 | NYSE | PDS | Mon, Aug 20, 2007 | 390.00 | 390.00 | 380.00 | 382.60 | 451 | NYSE | PDS | Fri, Aug 17, 2007 | 381.40 | 390.00 | 379.00 | 384.20 | 450 | NYSE | PDS | Thu, Aug 16, 2007 | 379.80 | 381.60 | 345.00 | 370.00 | 449 | NYSE | PDS | Wed, Aug 15, 2007 | 387.00 | 391.60 | 376.20 | 378.80 | 448 | NYSE | PDS | Tue, Aug 14, 2007 | 396.80 | 403.20 | 391.40 | 392.80 | 447 | NYSE | PDS | Mon, Aug 13, 2007 | 384.40 | 399.60 | 384.40 | 394.80 | 446 | NYSE | PDS | Fri, Aug 10, 2007 | 380.20 | 382.00 | 375.80 | 379.60 | 445 | NYSE | PDS | Thu, Aug 9, 2007 | 384.40 | 393.00 | 380.00 | 383.00 | 444 | NYSE | PDS | Wed, Aug 8, 2007 | 393.00 | 397.20 | 388.00 | 390.00 | 443 | NYSE | PDS | Tue, Aug 7, 2007 | 390.80 | 402.00 | 387.60 | 393.80 | 442 | NYSE | PDS | Mon, Aug 6, 2007 | 397.80 | 400.00 | 376.00 | 389.80 | 441 | NYSE | PDS | Fri, Aug 3, 2007 | 402.00 | 405.20 | 397.60 | 399.60 | 440 | NYSE | PDS | Thu, Aug 2, 2007 | 398.00 | 405.40 | 398.00 | 400.80 | 439 | NYSE | PDS | Wed, Aug 1, 2007 | 404.60 | 405.80 | 386.40 | 396.40 | 438 | NYSE | PDS | Tue, Jul 31, 2007 | 405.60 | 407.00 | 391.40 | 396.40 | 437 | NYSE | PDS | Mon, Jul 30, 2007 | 422.40 | 424.20 | 397.60 | 398.60 | 436 | NYSE | PDS | Fri, Jul 27, 2007 | 436.00 | 438.09 | 424.00 | 427.80 | 435 | NYSE | PDS | Thu, Jul 26, 2007 | 448.40 | 449.20 | 435.60 | 439.40 | 434 | NYSE | PDS | Wed, Jul 25, 2007 | 465.20 | 470.00 | 446.40 | 454.80 | 433 | NYSE | PDS | Tue, Jul 24, 2007 | 471.40 | 473.00 | 464.20 | 465.00 | 432 | NYSE | PDS | Mon, Jul 23, 2007 | 476.00 | 479.60 | 470.00 | 471.20 | 431 | NYSE | PDS | Fri, Jul 20, 2007 | 479.40 | 480.80 | 469.00 | 471.20 | 430 | NYSE | PDS | Thu, Jul 19, 2007 | 476.80 | 480.60 | 476.80 | 479.00 | 429 | NYSE | PDS | Wed, Jul 18, 2007 | 480.80 | 482.20 | 475.80 | 477.40 | 428 | NYSE | PDS | Tue, Jul 17, 2007 | 485.20 | 485.20 | 477.20 | 479.00 | 427 | NYSE | PDS | Mon, Jul 16, 2007 | 489.60 | 489.60 | 476.80 | 477.20 | 426 | NYSE | PDS | Fri, Jul 13, 2007 | 491.60 | 495.14 | 486.40 | 490.00 | 425 | NYSE | PDS | Thu, Jul 12, 2007 | 500.40 | 501.40 | 494.60 | 496.00 | 424 | NYSE | PDS | Wed, Jul 11, 2007 | 492.80 | 498.80 | 490.00 | 495.20 | 423 | NYSE | PDS | Tue, Jul 10, 2007 | 503.00 | 503.00 | 497.41 | 498.20 | 422 | NYSE | PDS | Mon, Jul 9, 2007 | 505.20 | 509.00 | 502.20 | 502.80 | 421 | NYSE | PDS | Fri, Jul 6, 2007 | 498.80 | 507.40 | 498.20 | 506.40 | 420 | NYSE | PDS | Thu, Jul 5, 2007 | 500.40 | 504.60 | 491.93 | 494.60 | 419 | NYSE | PDS | Tue, Jul 3, 2007 | 491.60 | 508.40 | 486.00 | 501.00 | 418 | NYSE | PDS | Mon, Jul 2, 2007 | 488.20 | 490.80 | 484.20 | 485.80 | 417 | NYSE | PDS | Fri, Jun 29, 2007 | 502.00 | 505.00 | 482.20 | 489.00 | 416 | NYSE | PDS | Thu, Jun 28, 2007 | 501.80 | 505.40 | 501.80 | 504.60 | 415 | NYSE | PDS | Wed, Jun 27, 2007 | 500.00 | 502.80 | 492.40 | 501.80 | 414 | NYSE | PDS | Tue, Jun 26, 2007 | 506.80 | 509.80 | 502.60 | 503.80 | 413 | NYSE | PDS | Mon, Jun 25, 2007 | 504.40 | 515.00 | 504.40 | 506.00 | 412 | NYSE | PDS | Fri, Jun 22, 2007 | 505.20 | 508.80 | 504.40 | 508.40 | 411 | NYSE | PDS | Thu, Jun 21, 2007 | 508.60 | 508.60 | 503.54 | 506.60 | 410 | NYSE | PDS | Wed, Jun 20, 2007 | 506.20 | 509.60 | 502.00 | 507.20 | 409 | NYSE | PDS | Tue, Jun 19, 2007 | 510.00 | 512.60 | 505.60 | 510.60 | 408 | NYSE | PDS | Mon, Jun 18, 2007 | 514.20 | 515.40 | 509.60 | 510.80 | 407 | NYSE | PDS | Fri, Jun 15, 2007 | 521.00 | 522.40 | 514.00 | 519.80 | 406 | NYSE | PDS | Thu, Jun 14, 2007 | 514.40 | 528.00 | 512.00 | 518.60 | 405 | NYSE | PDS | Wed, Jun 13, 2007 | 511.40 | 515.00 | 508.80 | 512.80 | 404 | NYSE | PDS | Tue, Jun 12, 2007 | 512.40 | 520.60 | 508.20 | 514.60 | 403 | NYSE | PDS | Mon, Jun 11, 2007 | 509.80 | 514.40 | 504.20 | 513.80 | 402 | NYSE | PDS | Fri, Jun 8, 2007 | 510.40 | 512.00 | 508.40 | 510.00 | 401 | NYSE | PDS | Thu, Jun 7, 2007 | 522.40 | 522.60 | 508.80 | 515.40 | 400 | NYSE | PDS | Wed, Jun 6, 2007 | 527.20 | 527.20 | 518.40 | 525.40 | 399 | NYSE | PDS | Tue, Jun 5, 2007 | 527.80 | 530.00 | 523.20 | 527.00 | 398 | NYSE | PDS | Mon, Jun 4, 2007 | 514.00 | 528.20 | 514.00 | 527.80 | 397 | NYSE | PDS | Fri, Jun 1, 2007 | 515.00 | 516.86 | 511.80 | 515.80 | 396 | NYSE | PDS | Thu, May 31, 2007 | 520.60 | 523.80 | 511.20 | 513.40 | 395 | NYSE | PDS | Wed, May 30, 2007 | 515.00 | 523.36 | 509.00 | 521.00 | 394 | NYSE | PDS | Tue, May 29, 2007 | 538.40 | 540.20 | 516.40 | 517.20 | 393 | NYSE | PDS | Fri, May 25, 2007 | 529.40 | 535.00 | 525.40 | 535.00 | 392 | NYSE | PDS | Thu, May 24, 2007 | 527.60 | 535.00 | 520.00 | 523.40 | 391 | NYSE | PDS | Wed, May 23, 2007 | 526.60 | 536.15 | 526.00 | 528.60 | 390 | NYSE | PDS | Tue, May 22, 2007 | 527.20 | 538.80 | 522.60 | 525.20 | 389 | NYSE | PDS | Mon, May 21, 2007 | 520.40 | 525.80 | 508.40 | 524.80 | 388 | NYSE | PDS | Fri, May 18, 2007 | 537.00 | 544.00 | 515.60 | 527.00 | 387 | NYSE | PDS | Thu, May 17, 2007 | 533.00 | 550.76 | 529.80 | 549.00 | 386 | NYSE | PDS | Wed, May 16, 2007 | 525.80 | 534.00 | 521.20 | 532.20 | 385 | NYSE | PDS | Tue, May 15, 2007 | 529.00 | 531.60 | 521.80 | 527.40 | 384 | NYSE | PDS | Mon, May 14, 2007 | 533.00 | 537.00 | 525.40 | 527.40 | 383 | NYSE | PDS | Fri, May 11, 2007 | 526.60 | 535.40 | 516.20 | 532.80 | 382 | NYSE | PDS | Thu, May 10, 2007 | 550.20 | 557.80 | 521.80 | 525.80 | 381 | NYSE | PDS | Wed, May 9, 2007 | 547.00 | 553.60 | 546.40 | 549.60 | 380 | NYSE | PDS | Tue, May 8, 2007 | 520.20 | 546.80 | 520.20 | 544.20 | 379 | NYSE | PDS | Mon, May 7, 2007 | 512.00 | 520.00 | 511.00 | 519.00 | 378 | NYSE | PDS | Fri, May 4, 2007 | 492.40 | 513.60 | 490.20 | 508.20 | 377 | NYSE | PDS | Thu, May 3, 2007 | 492.00 | 494.68 | 485.20 | 488.60 | 376 | NYSE | PDS | Wed, May 2, 2007 | 487.60 | 495.00 | 485.40 | 492.00 | 375 | NYSE | PDS | Tue, May 1, 2007 | 481.60 | 493.00 | 478.40 | 485.80 | 374 | NYSE | PDS | Mon, Apr 30, 2007 | 490.20 | 495.60 | 474.00 | 481.40 | 373 | NYSE | PDS | Fri, Apr 27, 2007 | 499.60 | 504.80 | 483.00 | 490.20 | 372 | NYSE | PDS | Thu, Apr 26, 2007 | 505.40 | 506.40 | 492.00 | 495.60 | 371 | NYSE | PDS | Wed, Apr 25, 2007 | 498.20 | 514.00 | 498.20 | 510.20 | 370 | NYSE | PDS | Tue, Apr 24, 2007 | 521.20 | 522.20 | 503.40 | 509.20 | 369 | NYSE | PDS | Mon, Apr 23, 2007 | 519.20 | 526.00 | 515.40 | 522.80 | 368 | NYSE | PDS | Fri, Apr 20, 2007 | 506.20 | 521.00 | 504.60 | 519.20 | 367 | NYSE | PDS | Thu, Apr 19, 2007 | 512.20 | 512.20 | 498.20 | 500.00 | 366 | NYSE | PDS | Wed, Apr 18, 2007 | 515.20 | 516.80 | 506.80 | 514.60 | 365 | NYSE | PDS | Tue, Apr 17, 2007 | 523.00 | 524.80 | 509.00 | 511.40 | 364 | NYSE | PDS | Mon, Apr 16, 2007 | 515.80 | 522.60 | 512.00 | 522.40 | 363 | NYSE | PDS | Fri, Apr 13, 2007 | 520.80 | 521.00 | 506.20 | 516.40 | 362 | NYSE | PDS | Thu, Apr 12, 2007 | 493.60 | 522.40 | 482.40 | 520.60 | 361 | NYSE | PDS | Wed, Apr 11, 2007 | 476.40 | 492.20 | 474.20 | 489.40 | 360 | NYSE | PDS | Tue, Apr 10, 2007 | 468.60 | 476.00 | 465.60 | 474.40 | 359 | NYSE | PDS | Mon, Apr 9, 2007 | 469.00 | 470.74 | 460.00 | 465.20 | 358 | NYSE | PDS | Thu, Apr 5, 2007 | 469.40 | 471.00 | 467.40 | 469.00 | 357 | NYSE | PDS | Wed, Apr 4, 2007 | 458.00 | 468.40 | 456.80 | 468.20 | 356 | NYSE | PDS | Tue, Apr 3, 2007 | 462.80 | 465.00 | 459.20 | 461.40 | 355 | NYSE | PDS | Mon, Apr 2, 2007 | 456.80 | 465.20 | 452.00 | 464.80 | 354 | NYSE | PDS | Fri, Mar 30, 2007 | 460.00 | 466.40 | 455.60 | 457.00 | 353 | NYSE | PDS | Thu, Mar 29, 2007 | 474.80 | 474.80 | 457.80 | 460.00 | 352 | NYSE | PDS | Wed, Mar 28, 2007 | 470.60 | 473.80 | 466.00 | 469.80 | 351 | NYSE | PDS | Tue, Mar 27, 2007 | 466.40 | 470.80 | 463.20 | 469.80 | 350 | NYSE | PDS | Mon, Mar 26, 2007 | 466.20 | 469.60 | 463.20 | 466.00 | 349 | NYSE | PDS | Fri, Mar 23, 2007 | 468.20 | 470.00 | 461.20 | 461.60 | 348 | NYSE | PDS | Thu, Mar 22, 2007 | 448.80 | 471.40 | 446.80 | 468.40 | 347 | NYSE | PDS | Wed, Mar 21, 2007 | 441.80 | 445.40 | 439.40 | 443.80 | 346 | NYSE | PDS | Tue, Mar 20, 2007 | 444.20 | 446.00 | 438.40 | 439.00 | 345 | NYSE | PDS | Mon, Mar 19, 2007 | 444.00 | 445.80 | 439.40 | 440.00 | 344 | NYSE | PDS | Fri, Mar 16, 2007 | 442.60 | 442.60 | 438.80 | 439.40 | 343 | NYSE | PDS | Thu, Mar 15, 2007 | 440.00 | 443.80 | 438.40 | 440.20 | 342 | NYSE | PDS | Wed, Mar 14, 2007 | 442.60 | 445.80 | 438.80 | 443.60 | 341 | NYSE | PDS | Tue, Mar 13, 2007 | 436.60 | 453.60 | 435.60 | 442.00 | 340 | NYSE | PDS | Mon, Mar 12, 2007 | 436.00 | 436.40 | 434.20 | 436.20 | 339 | NYSE | PDS | Fri, Mar 9, 2007 | 446.20 | 447.03 | 437.60 | 438.40 | 338 | NYSE | PDS | Thu, Mar 8, 2007 | 450.60 | 450.60 | 441.20 | 442.80 | 337 | NYSE | PDS | Wed, Mar 7, 2007 | 441.80 | 452.20 | 440.80 | 445.40 | 336 | NYSE | PDS | Tue, Mar 6, 2007 | 444.00 | 448.80 | 438.80 | 440.00 | 335 | NYSE | PDS | Mon, Mar 5, 2007 | 446.20 | 448.80 | 437.00 | 438.20 | 334 | NYSE | PDS | Fri, Mar 2, 2007 | 461.40 | 464.00 | 452.00 | 452.20 | 333 | NYSE | PDS | Thu, Mar 1, 2007 | 456.80 | 466.00 | 446.80 | 465.00 | 332 | NYSE | PDS | Wed, Feb 28, 2007 | 464.20 | 471.00 | 460.20 | 468.20 | 331 | NYSE | PDS | Tue, Feb 27, 2007 | 470.00 | 472.80 | 458.40 | 465.00 | 330 | NYSE | PDS | Mon, Feb 26, 2007 | 478.60 | 480.40 | 474.40 | 478.40 | 329 | NYSE | PDS | Fri, Feb 23, 2007 | 465.20 | 474.80 | 464.00 | 472.80 | 328 | NYSE | PDS | Thu, Feb 22, 2007 | 458.40 | 465.80 | 455.20 | 461.60 | 327 | NYSE | PDS | Wed, Feb 21, 2007 | 443.00 | 457.00 | 443.00 | 455.20 | 326 | NYSE | PDS | Tue, Feb 20, 2007 | 444.80 | 444.80 | 440.20 | 441.00 | 325 | NYSE | PDS | Fri, Feb 16, 2007 | 443.80 | 445.40 | 437.40 | 444.80 | 324 | NYSE | PDS | Thu, Feb 15, 2007 | 440.00 | 447.40 | 438.60 | 442.80 | 323 | NYSE | PDS | Wed, Feb 14, 2007 | 430.80 | 438.00 | 430.00 | 438.00 | 322 | NYSE | PDS | Tue, Feb 13, 2007 | 422.40 | 430.80 | 422.00 | 430.60 | 321 | NYSE | PDS | Mon, Feb 12, 2007 | 432.20 | 435.20 | 421.20 | 422.20 | 320 | NYSE | PDS | Fri, Feb 9, 2007 | 435.60 | 439.40 | 432.40 | 436.20 | 319 | NYSE | PDS | Thu, Feb 8, 2007 | 435.00 | 438.00 | 432.00 | 435.60 | 318 | NYSE | PDS | Wed, Feb 7, 2007 | 448.40 | 448.40 | 433.40 | 437.80 | 317 | NYSE | PDS | Tue, Feb 6, 2007 | 456.00 | 456.00 | 446.80 | 447.40 | 316 | NYSE | PDS | Mon, Feb 5, 2007 | 458.60 | 459.80 | 450.80 | 451.00 | 315 | NYSE | PDS | Fri, Feb 2, 2007 | 452.00 | 459.60 | 450.00 | 456.00 | 314 | NYSE | PDS | Thu, Feb 1, 2007 | 452.80 | 456.80 | 451.20 | 453.00 | 313 | NYSE | PDS | Wed, Jan 31, 2007 | 449.00 | 453.00 | 448.00 | 451.80 | 312 | NYSE | PDS | Tue, Jan 30, 2007 | 451.20 | 454.20 | 446.40 | 451.40 | 311 | NYSE | PDS | Mon, Jan 29, 2007 | 449.00 | 452.00 | 444.80 | 448.60 | 310 | NYSE | PDS | Fri, Jan 26, 2007 | 452.00 | 452.58 | 447.60 | 451.20 | 309 | NYSE | PDS | Thu, Jan 25, 2007 | 452.00 | 454.00 | 446.40 | 447.20 | 308 | NYSE | PDS | Wed, Jan 24, 2007 | 445.80 | 464.80 | 445.80 | 451.80 | 307 | NYSE | PDS | Tue, Jan 23, 2007 | 448.40 | 460.60 | 448.40 | 459.60 | 306 | NYSE | PDS | Mon, Jan 22, 2007 | 455.20 | 459.80 | 445.00 | 448.60 | 305 | NYSE | PDS | Fri, Jan 19, 2007 | 454.00 | 460.20 | 444.20 | 458.60 | 304 | NYSE | PDS | Thu, Jan 18, 2007 | 471.60 | 482.40 | 465.00 | 471.60 | 303 | NYSE | PDS | Wed, Jan 17, 2007 | 449.00 | 465.20 | 449.00 | 464.60 | 302 | NYSE | PDS | Tue, Jan 16, 2007 | 453.60 | 456.40 | 446.60 | 449.00 | 301 | NYSE | PDS | Fri, Jan 12, 2007 | 450.20 | 453.60 | 444.20 | 449.40 | 300 | NYSE | PDS | Thu, Jan 11, 2007 | 448.20 | 456.20 | 446.00 | 447.40 | 299 | NYSE | PDS | Wed, Jan 10, 2007 | 454.20 | 455.20 | 448.00 | 452.00 | 298 | NYSE | PDS | Tue, Jan 9, 2007 | 451.00 | 456.40 | 442.80 | 454.20 | 297 | NYSE | PDS | Mon, Jan 8, 2007 | 450.80 | 454.00 | 440.80 | 451.20 | 296 | NYSE | PDS | Fri, Jan 5, 2007 | 440.00 | 447.18 | 430.00 | 445.40 | 295 | NYSE | PDS | Thu, Jan 4, 2007 | 461.00 | 461.00 | 437.80 | 441.00 | 294 | NYSE | PDS | Wed, Jan 3, 2007 | 463.20 | 468.00 | 453.40 | 461.00 | 293 | NYSE | PDS | Fri, Dec 29, 2006 | 472.00 | 472.00 | 460.00 | 463.20 | 292 | NYSE | PDS | Thu, Dec 28, 2006 | 471.80 | 474.40 | 466.20 | 472.20 | 291 | NYSE | PDS | Wed, Dec 27, 2006 | 480.00 | 480.00 | 470.40 | 471.80 | 290 | NYSE | PDS | Tue, Dec 26, 2006 | 482.20 | 488.80 | 478.60 | 488.60 | 289 | NYSE | PDS | Fri, Dec 22, 2006 | 492.00 | 492.00 | 481.20 | 484.00 | 288 | NYSE | PDS | Thu, Dec 21, 2006 | 488.20 | 500.00 | 486.00 | 489.80 | 287 | NYSE | PDS | Wed, Dec 20, 2006 | 497.00 | 499.00 | 491.40 | 493.20 | 286 | NYSE | PDS | Tue, Dec 19, 2006 | 487.40 | 490.40 | 482.20 | 490.20 | 285 | NYSE | PDS | Mon, Dec 18, 2006 | 493.00 | 500.40 | 484.40 | 486.20 | 284 | NYSE | PDS | Fri, Dec 15, 2006 | 494.20 | 499.40 | 492.40 | 493.00 | 283 | NYSE | PDS | Thu, Dec 14, 2006 | 500.00 | 502.60 | 495.00 | 501.00 | 282 | NYSE | PDS | Wed, Dec 13, 2006 | 497.20 | 504.00 | 496.20 | 499.40 | 281 | NYSE | PDS | Tue, Dec 12, 2006 | 503.80 | 507.60 | 496.60 | 497.60 | 280 | NYSE | PDS | Mon, Dec 11, 2006 | 501.40 | 506.00 | 500.60 | 505.20 | 279 | NYSE | PDS | Fri, Dec 8, 2006 | 507.80 | 509.58 | 500.80 | 501.40 | 278 | NYSE | PDS | Thu, Dec 7, 2006 | 508.00 | 508.00 | 501.20 | 504.20 | 277 | NYSE | PDS | Wed, Dec 6, 2006 | 507.00 | 508.00 | 503.20 | 506.20 | 276 | NYSE | PDS | Tue, Dec 5, 2006 | 504.80 | 507.80 | 494.00 | 507.00 | 275 | NYSE | PDS | Mon, Dec 4, 2006 | 493.80 | 499.80 | 490.00 | 499.60 | 274 | NYSE | PDS | Fri, Dec 1, 2006 | 494.60 | 502.40 | 490.60 | 493.80 | 273 | NYSE | PDS | Thu, Nov 30, 2006 | 484.60 | 500.80 | 481.40 | 498.00 | 272 | NYSE | PDS | Wed, Nov 29, 2006 | 493.80 | 494.40 | 481.60 | 485.00 | 271 | NYSE | PDS | Tue, Nov 28, 2006 | 486.80 | 494.00 | 485.80 | 492.20 | 270 | NYSE | PDS | Mon, Nov 27, 2006 | 503.60 | 508.80 | 490.00 | 492.40 | 269 | NYSE | PDS | Fri, Nov 24, 2006 | 500.40 | 509.60 | 500.00 | 504.20 | 268 | NYSE | PDS | Wed, Nov 22, 2006 | 507.60 | 509.40 | 501.00 | 507.80 | 267 | NYSE | PDS | Tue, Nov 21, 2006 | 505.00 | 505.40 | 494.40 | 502.00 | 266 | NYSE | PDS | Mon, Nov 20, 2006 | 492.40 | 507.20 | 489.80 | 496.00 | 265 | NYSE | PDS | Fri, Nov 17, 2006 | 472.00 | 502.80 | 467.00 | 496.60 | 264 | NYSE | PDS | Thu, Nov 16, 2006 | 487.40 | 489.00 | 468.00 | 477.60 | 263 | NYSE | PDS | Wed, Nov 15, 2006 | 430.80 | 463.80 | 429.20 | 460.20 | 262 | NYSE | PDS | Tue, Nov 14, 2006 | 449.60 | 449.60 | 434.00 | 436.20 | 261 | NYSE | PDS | Mon, Nov 13, 2006 | 450.80 | 456.80 | 440.60 | 448.40 | 260 | NYSE | PDS | Fri, Nov 10, 2006 | 476.80 | 476.80 | 451.00 | 459.80 | 259 | NYSE | PDS | Thu, Nov 9, 2006 | 496.60 | 499.60 | 471.20 | 477.00 | 258 | NYSE | PDS | Wed, Nov 8, 2006 | 490.00 | 495.00 | 490.00 | 493.00 | 257 | NYSE | PDS | Tue, Nov 7, 2006 | 506.20 | 506.20 | 490.00 | 490.20 | 256 | NYSE | PDS | Mon, Nov 6, 2006 | 511.20 | 511.20 | 500.60 | 501.60 | 255 | NYSE | PDS | Fri, Nov 3, 2006 | 500.00 | 507.40 | 493.80 | 497.20 | 254 | NYSE | PDS | Thu, Nov 2, 2006 | 494.00 | 498.40 | 474.40 | 484.00 | 253 | NYSE | PDS | Wed, Nov 1, 2006 | 562.00 | 562.20 | 484.00 | 492.60 | 252 | NYSE | PDS | Tue, Oct 31, 2006 | 567.20 | 575.80 | 563.00 | 573.20 | 251 | NYSE | PDS | Mon, Oct 30, 2006 | 563.40 | 575.20 | 559.00 | 567.20 | 250 | NYSE | PDS | Fri, Oct 27, 2006 | 600.40 | 605.80 | 578.80 | 579.40 | 249 | NYSE | PDS | Thu, Oct 26, 2006 | 604.60 | 629.60 | 603.40 | 608.80 | 248 | NYSE | PDS | Wed, Oct 25, 2006 | 599.40 | 613.40 | 589.60 | 606.00 | 247 | NYSE | PDS | Tue, Oct 24, 2006 | 590.00 | 599.80 | 590.00 | 599.80 | 246 | NYSE | PDS | Mon, Oct 23, 2006 | 580.80 | 585.80 | 577.00 | 585.40 | 245 | NYSE | PDS | Fri, Oct 20, 2006 | 585.00 | 587.60 | 576.40 | 577.20 | 244 | NYSE | PDS | Thu, Oct 19, 2006 | 574.20 | 580.40 | 568.00 | 580.40 | 243 | NYSE | PDS | Wed, Oct 18, 2006 | 569.00 | 571.20 | 561.00 | 567.20 | 242 | NYSE | PDS | Tue, Oct 17, 2006 | 572.00 | 572.80 | 563.20 | 566.00 | 241 | NYSE | PDS | Mon, Oct 16, 2006 | 567.40 | 571.80 | 564.40 | 569.80 | 240 | NYSE | PDS | Fri, Oct 13, 2006 | 550.80 | 561.40 | 550.00 | 559.20 | 239 | NYSE | PDS | Thu, Oct 12, 2006 | 541.20 | 547.00 | 537.20 | 542.80 | 238 | NYSE | PDS | Wed, Oct 11, 2006 | 548.00 | 553.00 | 537.80 | 541.00 | 237 | NYSE | PDS | Tue, Oct 10, 2006 | 561.00 | 563.00 | 546.00 | 547.00 | 236 | NYSE | PDS | Mon, Oct 9, 2006 | 555.60 | 578.00 | 555.60 | 562.00 | 235 | NYSE | PDS | Fri, Oct 6, 2006 | 562.00 | 563.20 | 547.80 | 550.60 | 234 | NYSE | PDS | Thu, Oct 5, 2006 | 570.40 | 576.20 | 562.00 | 564.20 | 233 | NYSE | PDS | Wed, Oct 4, 2006 | 576.80 | 576.80 | 534.80 | 563.40 | 232 | NYSE | PDS | Tue, Oct 3, 2006 | 593.00 | 606.20 | 572.00 | 575.20 | 231 | NYSE | PDS | Mon, Oct 2, 2006 | 618.60 | 619.80 | 603.40 | 606.20 | 230 | NYSE | PDS | Fri, Sep 29, 2006 | 627.40 | 634.80 | 614.20 | 616.40 | 229 | NYSE | PDS | Thu, Sep 28, 2006 | 640.40 | 648.60 | 626.00 | 630.20 | 228 | NYSE | PDS | Wed, Sep 27, 2006 | 636.00 | 641.40 | 623.00 | 635.60 | 227 | NYSE | PDS | Tue, Sep 26, 2006 | 626.00 | 641.00 | 617.00 | 633.60 | 226 | NYSE | PDS | Mon, Sep 25, 2006 | 607.80 | 625.00 | 595.20 | 622.20 | 225 | NYSE | PDS | Fri, Sep 22, 2006 | 637.00 | 637.00 | 606.80 | 611.60 | 224 | NYSE | PDS | Thu, Sep 21, 2006 | 617.20 | 632.60 | 617.20 | 629.00 | 223 | NYSE | PDS | Wed, Sep 20, 2006 | 660.00 | 660.00 | 618.60 | 619.20 | 222 | NYSE | PDS | Tue, Sep 19, 2006 | 655.00 | 662.60 | 650.00 | 651.80 | 221 | NYSE | PDS | Mon, Sep 18, 2006 | 660.60 | 670.20 | 659.40 | 668.00 | 220 | NYSE | PDS | Fri, Sep 15, 2006 | 667.00 | 667.00 | 650.40 | 657.00 | 219 | NYSE | PDS | Thu, Sep 14, 2006 | 696.40 | 696.40 | 665.40 | 666.80 | 218 | NYSE | PDS | Wed, Sep 13, 2006 | 678.00 | 686.00 | 673.00 | 684.60 | 217 | NYSE | PDS | Tue, Sep 12, 2006 | 665.00 | 689.80 | 664.80 | 671.00 | 216 | NYSE | PDS | Mon, Sep 11, 2006 | 680.20 | 683.40 | 654.00 | 666.20 | 215 | NYSE | PDS | Fri, Sep 8, 2006 | 694.20 | 701.00 | 678.60 | 683.20 | 214 | NYSE | PDS | Thu, Sep 7, 2006 | 712.60 | 712.60 | 688.60 | 699.80 | 213 | NYSE | PDS | Wed, Sep 6, 2006 | 730.00 | 730.00 | 709.40 | 713.80 | 212 | NYSE | PDS | Tue, Sep 5, 2006 | 730.00 | 731.80 | 725.00 | 730.00 | 211 | NYSE | PDS | Fri, Sep 1, 2006 | 735.80 | 737.60 | 729.40 | 729.80 | 210 | NYSE | PDS | Thu, Aug 31, 2006 | 727.80 | 736.40 | 725.80 | 733.20 | 209 | NYSE | PDS | Wed, Aug 30, 2006 | 742.80 | 742.80 | 716.40 | 725.00 | 208 | NYSE | PDS | Tue, Aug 29, 2006 | 739.00 | 740.80 | 726.60 | 740.80 | 207 | NYSE | PDS | Mon, Aug 28, 2006 | 744.40 | 744.40 | 729.40 | 744.00 | 206 | NYSE | PDS | Fri, Aug 25, 2006 | 743.80 | 755.60 | 742.60 | 744.40 | 205 | NYSE | PDS | Thu, Aug 24, 2006 | 740.40 | 742.40 | 734.60 | 739.20 | 204 | NYSE | PDS | Wed, Aug 23, 2006 | 749.40 | 751.60 | 728.40 | 736.40 | 203 | NYSE | PDS | Tue, Aug 22, 2006 | 740.00 | 748.40 | 740.00 | 744.80 | 202 | NYSE | PDS | Mon, Aug 21, 2006 | 731.40 | 741.00 | 730.00 | 740.20 | 201 | NYSE | PDS | Fri, Aug 18, 2006 | 720.80 | 726.40 | 714.00 | 722.00 | 200 | NYSE | PDS | Thu, Aug 17, 2006 | 716.60 | 718.20 | 705.60 | 718.20 | 199 | NYSE | PDS | Wed, Aug 16, 2006 | 718.00 | 718.40 | 712.00 | 716.60 | 198 | NYSE | PDS | Tue, Aug 15, 2006 | 700.20 | 713.40 | 696.40 | 711.60 | 197 | NYSE | PDS | Mon, Aug 14, 2006 | 710.20 | 710.20 | 692.20 | 695.20 | 196 | NYSE | PDS | Fri, Aug 11, 2006 | 725.00 | 728.00 | 706.80 | 710.20 | 195 | NYSE | PDS | Thu, Aug 10, 2006 | 727.00 | 727.00 | 716.40 | 720.00 | 194 | NYSE | PDS | Wed, Aug 9, 2006 | 724.40 | 739.40 | 721.80 | 727.00 | 193 | NYSE | PDS | Tue, Aug 8, 2006 | 720.00 | 723.00 | 713.00 | 721.00 | 192 | NYSE | PDS | Mon, Aug 7, 2006 | 718.00 | 724.80 | 711.60 | 720.00 | 191 | NYSE | PDS | Fri, Aug 4, 2006 | 707.80 | 710.60 | 701.40 | 705.20 | 190 | NYSE | PDS | Thu, Aug 3, 2006 | 705.60 | 712.40 | 694.00 | 707.80 | 189 | NYSE | PDS | Wed, Aug 2, 2006 | 705.80 | 717.80 | 704.40 | 705.60 | 188 | NYSE | PDS | Tue, Aug 1, 2006 | 694.00 | 702.60 | 694.00 | 700.00 | 187 | NYSE | PDS | Mon, Jul 31, 2006 | 692.00 | 697.80 | 691.60 | 694.20 | 186 | NYSE | PDS | Fri, Jul 28, 2006 | 688.00 | 693.00 | 681.20 | 688.40 | 185 | NYSE | PDS | Thu, Jul 27, 2006 | 677.80 | 691.40 | 673.00 | 681.20 | 184 | NYSE | PDS | Wed, Jul 26, 2006 | 660.00 | 672.00 | 654.00 | 671.00 | 183 | NYSE | PDS | Tue, Jul 25, 2006 | 640.40 | 663.40 | 639.40 | 660.00 | 182 | NYSE | PDS | Mon, Jul 24, 2006 | 617.20 | 636.00 | 617.00 | 630.80 | 181 | NYSE | PDS | Fri, Jul 21, 2006 | 630.40 | 631.40 | 614.60 | 615.00 | 180 | NYSE | PDS | Thu, Jul 20, 2006 | 635.00 | 635.00 | 626.40 | 627.80 | 179 | NYSE | PDS | Wed, Jul 19, 2006 | 630.40 | 636.20 | 621.60 | 625.60 | 178 | NYSE | PDS | Tue, Jul 18, 2006 | 644.40 | 645.40 | 625.80 | 628.60 | 177 | NYSE | PDS | Mon, Jul 17, 2006 | 651.20 | 651.60 | 638.20 | 639.00 | 176 | NYSE | PDS | Fri, Jul 14, 2006 | 650.20 | 656.80 | 641.40 | 651.20 | 175 | NYSE | PDS | Thu, Jul 13, 2006 | 657.00 | 657.00 | 644.20 | 646.00 | 174 | NYSE | PDS | Wed, Jul 12, 2006 | 650.40 | 661.40 | 649.20 | 656.00 | 173 | NYSE | PDS | Tue, Jul 11, 2006 | 647.20 | 651.60 | 640.40 | 649.00 | 172 | NYSE | PDS | Mon, Jul 10, 2006 | 653.20 | 658.60 | 640.40 | 646.20 | 171 | NYSE | PDS | Fri, Jul 7, 2006 | 674.60 | 677.20 | 658.80 | 661.20 | 170 | NYSE | PDS | Thu, Jul 6, 2006 | 660.00 | 670.80 | 658.00 | 669.40 | 169 | NYSE | PDS | Wed, Jul 5, 2006 | 676.20 | 677.00 | 647.60 | 656.40 | 168 | NYSE | PDS | Mon, Jul 3, 2006 | 675.00 | 677.00 | 665.00 | 676.20 | 167 | NYSE | PDS | Fri, Jun 30, 2006 | 664.20 | 665.60 | 658.20 | 664.00 | 166 | NYSE | PDS | Thu, Jun 29, 2006 | 646.80 | 660.00 | 645.60 | 658.20 | 165 | NYSE | PDS | Wed, Jun 28, 2006 | 634.60 | 639.00 | 629.00 | 638.80 | 164 | NYSE | PDS | Tue, Jun 27, 2006 | 633.80 | 644.40 | 630.40 | 635.80 | 163 | NYSE | PDS | Mon, Jun 26, 2006 | 623.00 | 631.00 | 621.00 | 628.20 | 162 | NYSE | PDS | Fri, Jun 23, 2006 | 615.00 | 629.60 | 615.00 | 620.00 | 161 | NYSE | PDS | Thu, Jun 22, 2006 | 620.00 | 627.00 | 618.60 | 620.60 | 160 | NYSE | PDS | Wed, Jun 21, 2006 | 612.00 | 623.60 | 611.00 | 619.00 | 159 | NYSE | PDS | Tue, Jun 20, 2006 | 613.00 | 613.00 | 602.80 | 605.40 | 158 | NYSE | PDS | Mon, Jun 19, 2006 | 619.80 | 620.20 | 602.00 | 603.00 | 157 | NYSE | PDS | Fri, Jun 16, 2006 | 616.20 | 624.20 | 613.00 | 619.80 | 156 | NYSE | PDS | Thu, Jun 15, 2006 | 607.60 | 623.60 | 607.60 | 616.00 | 155 | NYSE | PDS | Wed, Jun 14, 2006 | 610.00 | 617.60 | 596.20 | 600.60 | 154 | NYSE | PDS | Tue, Jun 13, 2006 | 638.60 | 638.60 | 594.80 | 614.60 | 153 | NYSE | PDS | Mon, Jun 12, 2006 | 660.00 | 660.80 | 638.40 | 643.60 | 152 | NYSE | PDS | Fri, Jun 9, 2006 | 657.40 | 659.80 | 649.20 | 653.40 | 151 | NYSE | PDS | Thu, Jun 8, 2006 | 647.00 | 647.00 | 619.40 | 645.20 | 150 | NYSE | PDS | Wed, Jun 7, 2006 | 674.60 | 674.60 | 652.40 | 654.40 | 149 | NYSE | PDS | Tue, Jun 6, 2006 | 687.80 | 691.60 | 664.80 | 674.40 | 148 | NYSE | PDS | Mon, Jun 5, 2006 | 712.00 | 712.60 | 683.60 | 687.80 | 147 | NYSE | PDS | Fri, Jun 2, 2006 | 690.20 | 700.60 | 690.00 | 700.60 | 146 | NYSE | PDS | Thu, Jun 1, 2006 | 681.00 | 688.00 | 675.80 | 685.80 | 145 | NYSE | PDS | Wed, May 31, 2006 | 700.00 | 702.20 | 680.00 | 681.00 | 144 | NYSE | PDS | Tue, May 30, 2006 | 690.00 | 691.80 | 679.80 | 680.00 | 143 | NYSE | PDS | Fri, May 26, 2006 | 681.60 | 687.40 | 681.00 | 684.40 | 142 | NYSE | PDS | Thu, May 25, 2006 | 672.00 | 685.60 | 672.00 | 683.00 | 141 | NYSE | PDS | Wed, May 24, 2006 | 654.40 | 662.80 | 647.00 | 662.60 | 140 | NYSE | PDS | Tue, May 23, 2006 | 670.00 | 672.60 | 656.00 | 657.00 | 139 | NYSE | PDS | Mon, May 22, 2006 | 649.40 | 656.40 | 635.40 | 652.40 | 138 | NYSE | PDS | Fri, May 19, 2006 | 648.80 | 652.80 | 637.00 | 649.40 | 137 | NYSE | PDS | Thu, May 18, 2006 | 655.80 | 669.00 | 647.00 | 650.20 | 136 | NYSE | PDS | Wed, May 17, 2006 | 679.00 | 685.60 | 655.60 | 659.00 | 135 | NYSE | PDS | Tue, May 16, 2006 | 687.00 | 692.80 | 669.00 | 675.00 | 134 | NYSE | PDS | Mon, May 15, 2006 | 700.00 | 700.20 | 670.40 | 676.80 | 133 | NYSE | PDS | Fri, May 12, 2006 | 721.40 | 721.80 | 704.60 | 707.80 | 132 | NYSE | PDS | Thu, May 11, 2006 | 730.00 | 737.60 | 720.80 | 721.20 | 131 | NYSE | PDS | Wed, May 10, 2006 | 720.20 | 729.80 | 719.20 | 721.40 | 130 | NYSE | PDS | Tue, May 9, 2006 | 718.00 | 724.40 | 718.00 | 719.80 | 129 | NYSE | PDS | Mon, May 8, 2006 | 714.80 | 726.00 | 706.80 | 718.00 | 128 | NYSE | PDS | Fri, May 5, 2006 | 720.00 | 726.20 | 714.40 | 714.60 | 127 | NYSE | PDS | Thu, May 4, 2006 | 720.00 | 720.00 | 707.20 | 714.20 | 126 | NYSE | PDS | Wed, May 3, 2006 | 730.00 | 730.00 | 714.00 | 720.80 | 125 | NYSE | PDS | Tue, May 2, 2006 | 725.00 | 730.00 | 720.00 | 720.00 | 124 | NYSE | PDS | Mon, May 1, 2006 | 730.00 | 730.00 | 715.00 | 722.60 | 123 | NYSE | PDS | Fri, Apr 28, 2006 | 715.00 | 721.20 | 709.40 | 710.80 | 122 | NYSE | PDS | Thu, Apr 27, 2006 | 732.00 | 732.20 | 699.20 | 700.60 | 121 | NYSE | PDS | Wed, Apr 26, 2006 | 730.00 | 764.00 | 723.80 | 733.20 | 120 | NYSE | PDS | Tue, Apr 25, 2006 | 718.00 | 725.60 | 713.00 | 722.40 | 119 | NYSE | PDS | Mon, Apr 24, 2006 | 709.00 | 713.20 | 699.20 | 709.80 | 118 | NYSE | PDS | Fri, Apr 21, 2006 | 694.60 | 709.60 | 689.80 | 706.60 | 117 | NYSE | PDS | Thu, Apr 20, 2006 | 674.80 | 692.60 | 673.40 | 689.80 | 116 | NYSE | PDS | Wed, Apr 19, 2006 | 675.00 | 677.80 | 667.00 | 675.20 | 115 | NYSE | PDS | Tue, Apr 18, 2006 | 672.60 | 678.00 | 669.40 | 675.40 | 114 | NYSE | PDS | Mon, Apr 17, 2006 | 675.00 | 675.00 | 666.60 | 667.60 | 113 | NYSE | PDS | Thu, Apr 13, 2006 | 668.00 | 670.00 | 660.40 | 668.80 | 112 | NYSE | PDS | Wed, Apr 12, 2006 | 660.00 | 671.20 | 653.20 | 668.00 | 111 | NYSE | PDS | Tue, Apr 11, 2006 | 677.00 | 677.00 | 655.80 | 658.00 | 110 | NYSE | PDS | Mon, Apr 10, 2006 | 671.20 | 677.00 | 666.60 | 667.80 | 109 | NYSE | PDS | Fri, Apr 7, 2006 | 667.60 | 670.80 | 659.60 | 666.80 | 108 | NYSE | PDS | Thu, Apr 6, 2006 | 673.00 | 673.60 | 661.00 | 667.60 | 107 | NYSE | PDS | Wed, Apr 5, 2006 | 667.60 | 669.00 | 656.60 | 667.00 | 106 | NYSE | PDS | Tue, Apr 4, 2006 | 654.20 | 666.80 | 650.00 | 665.00 | 105 | NYSE | PDS | Mon, Apr 3, 2006 | 649.00 | 661.20 | 646.40 | 654.00 | 104 | NYSE | PDS | Fri, Mar 31, 2006 | 661.60 | 661.60 | 642.80 | 646.80 | 103 | NYSE | PDS | Thu, Mar 30, 2006 | 655.40 | 664.80 | 643.20 | 661.60 | 102 | NYSE | PDS | Wed, Mar 29, 2006 | 655.20 | 655.20 | 646.00 | 649.80 | 101 | NYSE | PDS | Tue, Mar 28, 2006 | 653.00 | 664.00 | 648.80 | 650.00 | 100 | NYSE | PDS | Mon, Mar 27, 2006 | 651.20 | 651.20 | 644.40 | 648.00 | 99 | NYSE | PDS | Fri, Mar 24, 2006 | 644.40 | 652.00 | 639.20 | 651.00 | 98 | NYSE | PDS | Thu, Mar 23, 2006 | 630.40 | 643.80 | 628.20 | 640.60 | 97 | NYSE | PDS | Wed, Mar 22, 2006 | 618.40 | 630.20 | 612.20 | 624.40 | 96 | NYSE | PDS | Tue, Mar 21, 2006 | 615.00 | 615.00 | 602.00 | 611.00 | 95 | NYSE | PDS | Mon, Mar 20, 2006 | 645.20 | 645.20 | 610.80 | 615.00 | 94 | NYSE | PDS | Fri, Mar 17, 2006 | 637.00 | 638.00 | 624.60 | 626.00 | 93 | NYSE | PDS | Thu, Mar 16, 2006 | 625.00 | 635.80 | 620.80 | 632.40 | 92 | NYSE | PDS | Wed, Mar 15, 2006 | 618.00 | 625.40 | 616.00 | 616.80 | 91 | NYSE | PDS | Tue, Mar 14, 2006 | 620.00 | 621.40 | 611.00 | 618.00 | 90 | NYSE | PDS | Mon, Mar 13, 2006 | 592.00 | 620.00 | 592.00 | 611.00 | 89 | NYSE | PDS | Fri, Mar 10, 2006 | 585.20 | 591.20 | 576.60 | 586.00 | 88 | NYSE | PDS | Thu, Mar 9, 2006 | 595.40 | 610.00 | 580.00 | 580.00 | 87 | NYSE | PDS | Wed, Mar 8, 2006 | 594.20 | 640.40 | 582.20 | 587.60 | 86 | NYSE | PDS | Tue, Mar 7, 2006 | 608.40 | 608.40 | 595.60 | 596.00 | 85 | NYSE | PDS | Mon, Mar 6, 2006 | 630.80 | 630.80 | 608.80 | 609.00 | 84 | NYSE | PDS | Fri, Mar 3, 2006 | 638.00 | 639.60 | 621.20 | 630.80 | 83 | NYSE | PDS | Thu, Mar 2, 2006 | 636.00 | 642.80 | 631.80 | 634.80 | 82 | NYSE | PDS | Wed, Mar 1, 2006 | 631.80 | 635.00 | 626.20 | 631.40 | 81 | NYSE | PDS | Tue, Feb 28, 2006 | 632.00 | 632.20 | 625.20 | 629.80 | 80 | NYSE | PDS | Mon, Feb 27, 2006 | 638.00 | 638.00 | 628.00 | 631.20 | 79 | NYSE | PDS | Fri, Feb 24, 2006 | 650.00 | 650.00 | 630.00 | 633.80 | 78 | NYSE | PDS | Thu, Feb 23, 2006 | 639.80 | 641.60 | 634.00 | 638.80 | 77 | NYSE | PDS | Wed, Feb 22, 2006 | 632.00 | 639.80 | 629.00 | 636.20 | 76 | NYSE | PDS | Tue, Feb 21, 2006 | 640.40 | 644.40 | 625.60 | 632.00 | 75 | NYSE | PDS | Fri, Feb 17, 2006 | 626.20 | 633.60 | 612.40 | 613.80 | 74 | NYSE | PDS | Thu, Feb 16, 2006 | 619.40 | 619.40 | 607.80 | 609.60 | 73 | NYSE | PDS | Wed, Feb 15, 2006 | 616.00 | 623.60 | 595.60 | 606.00 | 72 | NYSE | PDS | Tue, Feb 14, 2006 | 599.60 | 613.80 | 595.80 | 613.40 | 71 | NYSE | PDS | Mon, Feb 13, 2006 | 632.80 | 634.00 | 612.20 | 621.00 | 70 | NYSE | PDS | Fri, Feb 10, 2006 | 650.00 | 650.60 | 624.00 | 633.00 | 69 | NYSE | PDS | Thu, Feb 9, 2006 | 650.00 | 660.00 | 644.40 | 650.60 | 68 | NYSE | PDS | Wed, Feb 8, 2006 | 647.00 | 672.20 | 631.20 | 643.60 | 67 | NYSE | PDS | Tue, Feb 7, 2006 | 658.00 | 661.40 | 638.40 | 645.20 | 66 | NYSE | PDS | Mon, Feb 6, 2006 | 676.20 | 679.20 | 665.00 | 668.60 | 65 | NYSE | PDS | Fri, Feb 3, 2006 | 679.40 | 679.40 | 670.80 | 673.00 | 64 | NYSE | PDS | Thu, Feb 2, 2006 | 678.20 | 680.80 | 673.40 | 676.00 | 63 | NYSE | PDS | Wed, Feb 1, 2006 | 670.00 | 682.40 | 667.80 | 677.20 | 62 | NYSE | PDS | Tue, Jan 31, 2006 | 671.80 | 675.40 | 669.00 | 670.60 | 61 | NYSE | PDS | Mon, Jan 30, 2006 | 674.20 | 674.20 | 667.20 | 672.00 | 60 | NYSE | PDS | Fri, Jan 27, 2006 | 669.20 | 673.40 | 667.80 | 670.00 | 59 | NYSE | PDS | Thu, Jan 26, 2006 | 672.00 | 678.80 | 662.00 | 670.00 | 58 | NYSE | PDS | Wed, Jan 25, 2006 | 686.00 | 695.60 | 665.00 | 670.00 | 57 | NYSE | PDS | Tue, Jan 24, 2006 | 694.00 | 694.00 | 685.00 | 685.80 | 56 | NYSE | PDS | Mon, Jan 23, 2006 | 703.00 | 703.00 | 689.40 | 694.00 | 55 | NYSE | PDS | Fri, Jan 20, 2006 | 690.00 | 701.80 | 685.80 | 699.60 | 54 | NYSE | PDS | Thu, Jan 19, 2006 | 672.60 | 686.60 | 670.60 | 683.20 | 53 | NYSE | PDS | Wed, Jan 18, 2006 | 687.60 | 687.60 | 664.40 | 668.40 | 52 | NYSE | PDS | Tue, Jan 17, 2006 | 673.20 | 687.60 | 665.20 | 687.40 | 51 | NYSE | PDS | Fri, Jan 13, 2006 | 673.00 | 677.00 | 661.00 | 663.20 | 50 | NYSE | PDS | Thu, Jan 12, 2006 | 692.20 | 692.20 | 672.60 | 672.80 | 49 | NYSE | PDS | Wed, Jan 11, 2006 | 666.00 | 688.20 | 665.20 | 688.20 | 48 | NYSE | PDS | Tue, Jan 10, 2006 | 679.80 | 682.00 | 668.60 | 678.00 | 47 | NYSE | PDS | Mon, Jan 9, 2006 | 689.80 | 690.20 | 672.00 | 675.00 | 46 | NYSE | PDS | Fri, Jan 6, 2006 | 699.40 | 699.40 | 688.40 | 691.60 | 45 | NYSE | PDS | Thu, Jan 5, 2006 | 700.00 | 700.00 | 672.80 | 693.00 | 44 | NYSE | PDS | Wed, Jan 4, 2006 | 690.20 | 702.80 | 688.80 | 700.00 | 43 | NYSE | PDS | Tue, Jan 3, 2006 | 671.80 | 697.80 | 669.00 | 696.00 | 42 | NYSE | PDS | Fri, Dec 30, 2005 | 659.00 | 661.00 | 650.20 | 660.00 | 41 | NYSE | PDS | Thu, Dec 29, 2005 | 658.20 | 658.20 | 652.20 | 654.00 | 40 | NYSE | PDS | Wed, Dec 28, 2005 | 664.00 | 664.00 | 652.60 | 655.80 | 39 | NYSE | PDS | Tue, Dec 27, 2005 | 663.00 | 668.60 | 655.20 | 658.00 | 38 | NYSE | PDS | Fri, Dec 23, 2005 | 663.00 | 665.00 | 650.40 | 664.60 | 37 | NYSE | PDS | Thu, Dec 22, 2005 | 666.40 | 672.00 | 662.60 | 663.20 | 36 | NYSE | PDS | Wed, Dec 21, 2005 | 657.40 | 666.40 | 651.20 | 666.40 | 35 | NYSE | PDS | Tue, Dec 20, 2005 | 645.00 | 658.40 | 641.20 | 657.40 | 34 | NYSE | PDS | Mon, Dec 19, 2005 | 646.20 | 656.80 | 634.40 | 636.20 | 33 | NYSE | PDS | Fri, Dec 16, 2005 | 666.80 | 670.20 | 645.00 | 647.20 | 32 | NYSE | PDS | Thu, Dec 15, 2005 | 673.20 | 673.20 | 659.00 | 661.80 | 31 | NYSE | PDS | Wed, Dec 14, 2005 | 665.80 | 680.20 | 664.80 | 673.20 | 30 | NYSE | PDS | Tue, Dec 13, 2005 | 672.00 | 678.40 | 664.00 | 665.60 | 29 | NYSE | PDS | Mon, Dec 12, 2005 | 673.00 | 673.00 | 660.00 | 670.00 | 28 | NYSE | PDS | Fri, Dec 9, 2005 | 661.40 | 661.40 | 656.00 | 658.80 | 27 | NYSE | PDS | Thu, Dec 8, 2005 | 647.60 | 662.00 | 639.60 | 659.40 | 26 | NYSE | PDS | Wed, Dec 7, 2005 | 641.00 | 649.60 | 640.40 | 647.00 | 25 | NYSE | PDS | Tue, Dec 6, 2005 | 649.40 | 651.40 | 636.40 | 640.40 | 24 | NYSE | PDS | Mon, Dec 5, 2005 | 643.00 | 650.60 | 642.00 | 647.80 | 23 | NYSE | PDS | Fri, Dec 2, 2005 | 641.80 | 643.20 | 628.00 | 637.40 | 22 | NYSE | PDS | Thu, Dec 1, 2005 | 627.60 | 636.20 | 618.40 | 635.00 | 21 | NYSE | PDS | Wed, Nov 30, 2005 | 619.80 | 626.40 | 619.40 | 623.60 | 20 | NYSE | PDS | Tue, Nov 29, 2005 | 625.20 | 627.80 | 618.20 | 618.20 | 19 | NYSE | PDS | Mon, Nov 28, 2005 | 636.20 | 636.40 | 616.00 | 620.00 | 18 | NYSE | PDS | Fri, Nov 25, 2005 | 644.00 | 650.00 | 628.60 | 635.00 | 17 | NYSE | PDS | Wed, Nov 23, 2005 | 597.40 | 614.60 | 597.20 | 612.60 | 16 | NYSE | PDS | Tue, Nov 22, 2005 | 598.00 | 603.20 | 592.80 | 595.40 | 15 | NYSE | PDS | Mon, Nov 21, 2005 | 596.00 | 596.80 | 584.00 | 588.80 | 14 | NYSE | PDS | Fri, Nov 18, 2005 | 560.00 | 600.40 | 556.60 | 585.60 | 13 | NYSE | PDS | Thu, Nov 17, 2005 | 543.40 | 569.00 | 543.40 | 557.00 | 12 | NYSE | PDS | Wed, Nov 16, 2005 | 522.40 | 542.00 | 515.40 | 542.00 | 11 | NYSE | PDS | Tue, Nov 15, 2005 | 522.20 | 526.20 | 517.60 | 522.40 | 10 | NYSE | PDS | Mon, Nov 14, 2005 | 526.00 | 532.00 | 521.80 | 522.20 | 9 | NYSE | PDS | Fri, Nov 11, 2005 | 520.00 | 534.80 | 519.00 | 526.00 | 8 | NYSE | PDS | Thu, Nov 10, 2005 | 545.20 | 545.60 | 519.20 | 520.00 | 7 | NYSE | PDS | Wed, Nov 9, 2005 | 564.00 | 567.40 | 545.20 | 545.20 | 6 | NYSE | PDS | Tue, Nov 8, 2005 | 564.80 | 569.00 | 561.40 | 564.00 | 5 | NYSE | PDS | Mon, Nov 7, 2005 | 548.00 | 570.80 | 548.00 | 564.80 | 4 | NYSE | PDS | Fri, Nov 4, 2005 | 924.60 | 942.80 | 909.00 | 919.60 | 3 | NYSE | PDS | Mon, Oct 31, 2005 | 902.00 | 921.60 | 901.40 | 920.00 | 2 | NYSE | PDS | Tue, May 31, 2005 | 780.50 | 792.70 | 767.50 | 789.10 | 1 | NYSE | PDS | Mon, Mar 14, 2005 | 767.40 | 775.50 | 756.20 | 774.00 |
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# | Exchange | Symbol | Date | Open | High | Low | Close |
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