Below are the 1617 trading days of historical prices for PSTX.
# | Exchange | Symbol | Date | Open | High | Low | Close | 1617 | NASDAQ | PSTX | Tue, Mar 5, 2024 | 3.65 | 3.75 | 3.40 | 3.48 | 1616 | NASDAQ | PSTX | Mon, Mar 4, 2024 | 4.15 | 4.18 | 3.68 | 3.69 | 1615 | NASDAQ | PSTX | Fri, Mar 1, 2024 | 3.99 | 4.27 | 3.93 | 4.13 | 1614 | NASDAQ | PSTX | Thu, Feb 29, 2024 | 3.79 | 4.05 | 3.71 | 3.96 | 1613 | NASDAQ | PSTX | Wed, Feb 28, 2024 | 3.77 | 3.89 | 3.69 | 3.72 | 1612 | NASDAQ | PSTX | Tue, Feb 27, 2024 | 3.48 | 3.82 | 3.48 | 3.77 | 1611 | NASDAQ | PSTX | Mon, Feb 26, 2024 | 3.22 | 3.47 | 3.19 | 3.46 | 1610 | NASDAQ | PSTX | Fri, Feb 23, 2024 | 3.23 | 3.29 | 3.19 | 3.25 | 1609 | NASDAQ | PSTX | Thu, Feb 22, 2024 | 3.34 | 3.36 | 3.19 | 3.22 | 1608 | NASDAQ | PSTX | Wed, Feb 21, 2024 | 3.57 | 3.61 | 3.30 | 3.34 | 1607 | NASDAQ | PSTX | Tue, Feb 20, 2024 | 3.66 | 3.71 | 3.49 | 3.51 | 1606 | NASDAQ | PSTX | Fri, Feb 16, 2024 | 3.60 | 3.69 | 3.53 | 3.66 | 1605 | NASDAQ | PSTX | Thu, Feb 15, 2024 | 3.76 | 3.83 | 3.59 | 3.70 | 1604 | NASDAQ | PSTX | Wed, Feb 14, 2024 | 3.75 | 3.88 | 3.64 | 3.71 | 1603 | NASDAQ | PSTX | Tue, Feb 13, 2024 | 3.75 | 3.75 | 3.49 | 3.64 | 1602 | NASDAQ | PSTX | Mon, Feb 12, 2024 | 3.60 | 3.92 | 3.60 | 3.90 | 1601 | NASDAQ | PSTX | Fri, Feb 9, 2024 | 3.38 | 3.65 | 3.38 | 3.60 | 1600 | NASDAQ | PSTX | Thu, Feb 8, 2024 | 3.35 | 3.44 | 3.23 | 3.38 | 1599 | NASDAQ | PSTX | Wed, Feb 7, 2024 | 3.80 | 3.82 | 3.32 | 3.33 | 1598 | NASDAQ | PSTX | Tue, Feb 6, 2024 | 3.59 | 3.94 | 3.46 | 3.79 | 1597 | NASDAQ | PSTX | Mon, Feb 5, 2024 | 3.44 | 3.60 | 3.35 | 3.53 | 1596 | NASDAQ | PSTX | Fri, Feb 2, 2024 | 3.33 | 3.54 | 3.21 | 3.49 | 1595 | NASDAQ | PSTX | Thu, Feb 1, 2024 | 3.44 | 3.45 | 3.20 | 3.41 | 1594 | NASDAQ | PSTX | Wed, Jan 31, 2024 | 3.29 | 3.66 | 3.29 | 3.44 | 1593 | NASDAQ | PSTX | Tue, Jan 30, 2024 | 3.15 | 3.37 | 3.05 | 3.29 | 1592 | NASDAQ | PSTX | Mon, Jan 29, 2024 | 3.21 | 3.21 | 3.13 | 3.19 | 1591 | NASDAQ | PSTX | Fri, Jan 26, 2024 | 3.29 | 3.34 | 3.19 | 3.20 | 1590 | NASDAQ | PSTX | Thu, Jan 25, 2024 | 3.30 | 3.42 | 3.18 | 3.24 | 1589 | NASDAQ | PSTX | Wed, Jan 24, 2024 | 3.24 | 3.40 | 3.19 | 3.29 | 1588 | NASDAQ | PSTX | Tue, Jan 23, 2024 | 3.06 | 3.23 | 3.04 | 3.19 | 1587 | NASDAQ | PSTX | Mon, Jan 22, 2024 | 2.77 | 3.01 | 2.71 | 3.01 | 1586 | NASDAQ | PSTX | Fri, Jan 19, 2024 | 2.88 | 2.90 | 2.65 | 2.76 | 1585 | NASDAQ | PSTX | Thu, Jan 18, 2024 | 2.80 | 2.96 | 2.75 | 2.85 | 1584 | NASDAQ | PSTX | Wed, Jan 17, 2024 | 2.77 | 2.84 | 2.67 | 2.83 | 1583 | NASDAQ | PSTX | Tue, Jan 16, 2024 | 3.01 | 3.05 | 2.79 | 2.79 | 1582 | NASDAQ | PSTX | Fri, Jan 12, 2024 | 3.26 | 3.31 | 2.96 | 3.05 | 1581 | NASDAQ | PSTX | Thu, Jan 11, 2024 | 3.16 | 3.28 | 3.01 | 3.26 | 1580 | NASDAQ | PSTX | Wed, Jan 10, 2024 | 3.22 | 3.29 | 3.15 | 3.19 | 1579 | NASDAQ | PSTX | Tue, Jan 9, 2024 | 3.15 | 3.31 | 3.12 | 3.22 | 1578 | NASDAQ | PSTX | Mon, Jan 8, 2024 | 3.13 | 3.28 | 3.07 | 3.23 | 1577 | NASDAQ | PSTX | Fri, Jan 5, 2024 | 3.20 | 3.22 | 3.03 | 3.17 | 1576 | NASDAQ | PSTX | Thu, Jan 4, 2024 | 3.23 | 3.31 | 3.11 | 3.22 | 1575 | NASDAQ | PSTX | Wed, Jan 3, 2024 | 3.37 | 3.38 | 3.17 | 3.18 | 1574 | NASDAQ | PSTX | Tue, Jan 2, 2024 | 3.36 | 3.58 | 3.31 | 3.38 | 1573 | NASDAQ | PSTX | Fri, Dec 29, 2023 | 3.47 | 3.47 | 3.26 | 3.36 | 1572 | NASDAQ | PSTX | Thu, Dec 28, 2023 | 3.38 | 3.50 | 3.37 | 3.48 | 1571 | NASDAQ | PSTX | Wed, Dec 27, 2023 | 3.37 | 3.45 | 3.25 | 3.39 | 1570 | NASDAQ | PSTX | Tue, Dec 26, 2023 | 3.42 | 3.44 | 3.26 | 3.36 | 1569 | NASDAQ | PSTX | Fri, Dec 22, 2023 | 3.40 | 3.44 | 3.31 | 3.36 | 1568 | NASDAQ | PSTX | Thu, Dec 21, 2023 | 3.29 | 3.41 | 3.27 | 3.41 | 1567 | NASDAQ | PSTX | Wed, Dec 20, 2023 | 3.50 | 3.50 | 3.22 | 3.22 | 1566 | NASDAQ | PSTX | Tue, Dec 19, 2023 | 3.40 | 3.63 | 3.35 | 3.51 | 1565 | NASDAQ | PSTX | Mon, Dec 18, 2023 | 3.23 | 3.45 | 3.16 | 3.39 | 1564 | NASDAQ | PSTX | Fri, Dec 15, 2023 | 3.05 | 3.26 | 2.92 | 3.24 | 1563 | NASDAQ | PSTX | Thu, Dec 14, 2023 | 2.93 | 3.18 | 2.92 | 3.04 | 1562 | NASDAQ | PSTX | Wed, Dec 13, 2023 | 2.44 | 2.93 | 2.44 | 2.88 | 1561 | NASDAQ | PSTX | Tue, Dec 12, 2023 | 2.63 | 2.80 | 2.41 | 2.50 | 1560 | NASDAQ | PSTX | Mon, Dec 11, 2023 | 3.84 | 4.20 | 2.60 | 2.85 | 1559 | NASDAQ | PSTX | Fri, Dec 8, 2023 | 3.09 | 3.25 | 3.00 | 3.16 | 1558 | NASDAQ | PSTX | Thu, Dec 7, 2023 | 3.11 | 3.12 | 2.99 | 3.05 | 1557 | NASDAQ | PSTX | Wed, Dec 6, 2023 | 3.02 | 3.13 | 3.00 | 3.06 | 1556 | NASDAQ | PSTX | Tue, Dec 5, 2023 | 2.78 | 3.02 | 2.75 | 2.99 | 1555 | NASDAQ | PSTX | Mon, Dec 4, 2023 | 2.64 | 2.87 | 2.63 | 2.86 | 1554 | NASDAQ | PSTX | Fri, Dec 1, 2023 | 2.63 | 2.66 | 2.38 | 2.64 | 1553 | NASDAQ | PSTX | Thu, Nov 30, 2023 | 2.66 | 2.74 | 2.63 | 2.67 | 1552 | NASDAQ | PSTX | Wed, Nov 29, 2023 | 2.66 | 2.78 | 2.61 | 2.64 | 1551 | NASDAQ | PSTX | Tue, Nov 28, 2023 | 2.64 | 2.71 | 2.59 | 2.65 | 1550 | NASDAQ | PSTX | Mon, Nov 27, 2023 | 2.80 | 2.80 | 2.64 | 2.73 | 1549 | NASDAQ | PSTX | Fri, Nov 24, 2023 | 2.59 | 2.86 | 2.59 | 2.85 | 1548 | NASDAQ | PSTX | Wed, Nov 22, 2023 | 2.65 | 2.78 | 2.54 | 2.61 | 1547 | NASDAQ | PSTX | Tue, Nov 21, 2023 | 2.72 | 2.72 | 2.56 | 2.61 | 1546 | NASDAQ | PSTX | Mon, Nov 20, 2023 | 2.23 | 2.79 | 2.23 | 2.74 | 1545 | NASDAQ | PSTX | Fri, Nov 17, 2023 | 2.15 | 2.28 | 2.09 | 2.27 | 1544 | NASDAQ | PSTX | Thu, Nov 16, 2023 | 2.20 | 2.22 | 2.06 | 2.15 | 1543 | NASDAQ | PSTX | Wed, Nov 15, 2023 | 2.30 | 2.44 | 2.20 | 2.21 | 1542 | NASDAQ | PSTX | Tue, Nov 14, 2023 | 2.21 | 2.36 | 2.21 | 2.35 | 1541 | NASDAQ | PSTX | Mon, Nov 13, 2023 | 2.19 | 2.20 | 2.06 | 2.10 | 1540 | NASDAQ | PSTX | Fri, Nov 10, 2023 | 2.14 | 2.24 | 2.04 | 2.19 | 1539 | NASDAQ | PSTX | Thu, Nov 9, 2023 | 2.30 | 2.36 | 2.18 | 2.20 | 1538 | NASDAQ | PSTX | Wed, Nov 8, 2023 | 2.43 | 2.43 | 2.24 | 2.28 | 1537 | NASDAQ | PSTX | Tue, Nov 7, 2023 | 2.39 | 2.54 | 2.39 | 2.44 | 1536 | NASDAQ | PSTX | Mon, Nov 6, 2023 | 2.49 | 2.55 | 2.35 | 2.41 | 1535 | NASDAQ | PSTX | Fri, Nov 3, 2023 | 2.24 | 2.49 | 2.24 | 2.45 | 1534 | NASDAQ | PSTX | Thu, Nov 2, 2023 | 2.10 | 2.19 | 2.05 | 2.18 | 1533 | NASDAQ | PSTX | Wed, Nov 1, 2023 | 2.03 | 2.09 | 1.97 | 2.07 | 1532 | NASDAQ | PSTX | Tue, Oct 31, 2023 | 2.02 | 2.14 | 1.95 | 2.02 | 1531 | NASDAQ | PSTX | Mon, Oct 30, 2023 | 1.83 | 2.07 | 1.83 | 2.03 | 1530 | NASDAQ | PSTX | Fri, Oct 27, 2023 | 2.00 | 2.03 | 1.83 | 1.83 | 1529 | NASDAQ | PSTX | Thu, Oct 26, 2023 | 2.13 | 2.16 | 1.99 | 1.99 | 1528 | NASDAQ | PSTX | Wed, Oct 25, 2023 | 2.09 | 2.17 | 2.01 | 2.10 | 1527 | NASDAQ | PSTX | Tue, Oct 24, 2023 | 2.13 | 2.19 | 2.07 | 2.10 | 1526 | NASDAQ | PSTX | Mon, Oct 23, 2023 | 2.31 | 2.36 | 2.09 | 2.10 | 1525 | NASDAQ | PSTX | Fri, Oct 20, 2023 | 2.37 | 2.57 | 2.33 | 2.35 | 1524 | NASDAQ | PSTX | Thu, Oct 19, 2023 | 2.34 | 2.41 | 2.27 | 2.37 | 1523 | NASDAQ | PSTX | Wed, Oct 18, 2023 | 2.40 | 2.43 | 2.26 | 2.33 | 1522 | NASDAQ | PSTX | Tue, Oct 17, 2023 | 2.51 | 2.56 | 2.37 | 2.40 | 1521 | NASDAQ | PSTX | Mon, Oct 16, 2023 | 2.38 | 2.55 | 2.31 | 2.49 | 1520 | NASDAQ | PSTX | Fri, Oct 13, 2023 | 2.17 | 2.36 | 2.04 | 2.34 | 1519 | NASDAQ | PSTX | Thu, Oct 12, 2023 | 2.26 | 2.36 | 2.14 | 2.16 | 1518 | NASDAQ | PSTX | Wed, Oct 11, 2023 | 2.28 | 2.32 | 2.18 | 2.26 | 1517 | NASDAQ | PSTX | Tue, Oct 10, 2023 | 2.24 | 2.39 | 2.17 | 2.26 | 1516 | NASDAQ | PSTX | Mon, Oct 9, 2023 | 2.32 | 2.33 | 2.23 | 2.25 | 1515 | NASDAQ | PSTX | Fri, Oct 6, 2023 | 2.30 | 2.35 | 2.20 | 2.34 | 1514 | NASDAQ | PSTX | Thu, Oct 5, 2023 | 2.17 | 2.32 | 2.16 | 2.31 | 1513 | NASDAQ | PSTX | Wed, Oct 4, 2023 | 2.18 | 2.26 | 2.15 | 2.19 | 1512 | NASDAQ | PSTX | Tue, Oct 3, 2023 | 2.27 | 2.27 | 2.15 | 2.25 | 1511 | NASDAQ | PSTX | Mon, Oct 2, 2023 | 2.38 | 2.39 | 2.22 | 2.29 | 1510 | NASDAQ | PSTX | Fri, Sep 29, 2023 | 2.48 | 2.52 | 2.28 | 2.38 | 1509 | NASDAQ | PSTX | Thu, Sep 28, 2023 | 2.44 | 2.59 | 2.41 | 2.45 | 1508 | NASDAQ | PSTX | Wed, Sep 27, 2023 | 2.38 | 2.76 | 2.38 | 2.45 | 1507 | NASDAQ | PSTX | Tue, Sep 26, 2023 | 2.06 | 2.38 | 2.06 | 2.38 | 1506 | NASDAQ | PSTX | Mon, Sep 25, 2023 | 1.90 | 2.10 | 1.88 | 2.09 | 1505 | NASDAQ | PSTX | Fri, Sep 22, 2023 | 1.95 | 1.98 | 1.90 | 1.90 | 1504 | NASDAQ | PSTX | Thu, Sep 21, 2023 | 1.86 | 2.01 | 1.86 | 1.96 | 1503 | NASDAQ | PSTX | Wed, Sep 20, 2023 | 1.93 | 1.96 | 1.88 | 1.95 | 1502 | NASDAQ | PSTX | Tue, Sep 19, 2023 | 1.99 | 2.02 | 1.91 | 1.92 | 1501 | NASDAQ | PSTX | Mon, Sep 18, 2023 | 2.02 | 2.06 | 1.99 | 2.00 | 1500 | NASDAQ | PSTX | Fri, Sep 15, 2023 | 2.21 | 2.21 | 2.03 | 2.04 | 1499 | NASDAQ | PSTX | Thu, Sep 14, 2023 | 2.14 | 2.14 | 2.07 | 2.11 | 1498 | NASDAQ | PSTX | Wed, Sep 13, 2023 | 2.20 | 2.25 | 2.07 | 2.07 | 1497 | NASDAQ | PSTX | Tue, Sep 12, 2023 | 2.23 | 2.31 | 2.19 | 2.20 | 1496 | NASDAQ | PSTX | Mon, Sep 11, 2023 | 2.22 | 2.22 | 2.22 | 2.22 | 1495 | NASDAQ | PSTX | Fri, Sep 8, 2023 | 2.15 | 2.18 | 2.10 | 2.16 | 1494 | NASDAQ | PSTX | Thu, Sep 7, 2023 | 2.08 | 2.18 | 2.04 | 2.15 | 1493 | NASDAQ | PSTX | Wed, Sep 6, 2023 | 2.06 | 2.12 | 2.01 | 2.11 | 1492 | NASDAQ | PSTX | Tue, Sep 5, 2023 | 2.12 | 2.17 | 2.06 | 2.07 | 1491 | NASDAQ | PSTX | Fri, Sep 1, 2023 | 2.08 | 2.19 | 2.08 | 2.12 | 1490 | NASDAQ | PSTX | Thu, Aug 31, 2023 | 2.17 | 2.18 | 2.09 | 2.09 | 1489 | NASDAQ | PSTX | Wed, Aug 30, 2023 | 2.21 | 2.23 | 2.14 | 2.16 | 1488 | NASDAQ | PSTX | Tue, Aug 29, 2023 | 2.22 | 2.28 | 2.20 | 2.21 | 1487 | NASDAQ | PSTX | Mon, Aug 28, 2023 | 2.12 | 2.28 | 2.10 | 2.25 | 1486 | NASDAQ | PSTX | Fri, Aug 25, 2023 | 2.37 | 2.38 | 2.08 | 2.10 | 1485 | NASDAQ | PSTX | Thu, Aug 24, 2023 | 2.58 | 2.71 | 2.33 | 2.35 | 1484 | NASDAQ | PSTX | Wed, Aug 23, 2023 | 2.54 | 2.69 | 2.51 | 2.59 | 1483 | NASDAQ | PSTX | Tue, Aug 22, 2023 | 2.39 | 2.53 | 2.37 | 2.52 | 1482 | NASDAQ | PSTX | Mon, Aug 21, 2023 | 2.51 | 2.51 | 2.32 | 2.39 | 1481 | NASDAQ | PSTX | Fri, Aug 18, 2023 | 2.59 | 2.64 | 2.44 | 2.47 | 1480 | NASDAQ | PSTX | Thu, Aug 17, 2023 | 2.54 | 2.69 | 2.43 | 2.63 | 1479 | NASDAQ | PSTX | Wed, Aug 16, 2023 | 2.48 | 2.66 | 2.43 | 2.54 | 1478 | NASDAQ | PSTX | Tue, Aug 15, 2023 | 2.58 | 2.64 | 2.51 | 2.54 | 1477 | NASDAQ | PSTX | Mon, Aug 14, 2023 | 2.77 | 2.77 | 2.51 | 2.62 | 1476 | NASDAQ | PSTX | Fri, Aug 11, 2023 | 2.68 | 2.84 | 2.44 | 2.79 | 1475 | NASDAQ | PSTX | Thu, Aug 10, 2023 | 2.66 | 3.01 | 2.62 | 2.68 | 1474 | NASDAQ | PSTX | Wed, Aug 9, 2023 | 1.97 | 2.75 | 1.97 | 2.73 | 1473 | NASDAQ | PSTX | Tue, Aug 8, 2023 | 1.93 | 2.25 | 1.92 | 1.98 | 1472 | NASDAQ | PSTX | Mon, Aug 7, 2023 | 2.16 | 2.69 | 1.93 | 1.98 | 1471 | NASDAQ | PSTX | Fri, Aug 4, 2023 | 1.60 | 1.69 | 1.60 | 1.63 | 1470 | NASDAQ | PSTX | Thu, Aug 3, 2023 | 1.65 | 1.67 | 1.60 | 1.62 | 1469 | NASDAQ | PSTX | Wed, Aug 2, 2023 | 1.66 | 1.70 | 1.62 | 1.65 | 1468 | NASDAQ | PSTX | Tue, Aug 1, 2023 | 1.73 | 1.74 | 1.67 | 1.70 | 1467 | NASDAQ | PSTX | Mon, Jul 31, 2023 | 1.73 | 1.80 | 1.71 | 1.73 | 1466 | NASDAQ | PSTX | Fri, Jul 28, 2023 | 1.69 | 1.74 | 1.65 | 1.72 | 1465 | NASDAQ | PSTX | Thu, Jul 27, 2023 | 1.72 | 1.73 | 1.63 | 1.64 | 1464 | NASDAQ | PSTX | Wed, Jul 26, 2023 | 1.69 | 1.74 | 1.65 | 1.72 | 1463 | NASDAQ | PSTX | Tue, Jul 25, 2023 | 1.80 | 1.82 | 1.69 | 1.69 | 1462 | NASDAQ | PSTX | Mon, Jul 24, 2023 | 1.97 | 1.97 | 1.80 | 1.81 | 1461 | NASDAQ | PSTX | Fri, Jul 21, 2023 | 1.95 | 1.99 | 1.86 | 1.95 | 1460 | NASDAQ | PSTX | Thu, Jul 20, 2023 | 2.05 | 2.05 | 1.91 | 1.93 | 1459 | NASDAQ | PSTX | Wed, Jul 19, 2023 | 1.96 | 2.15 | 1.96 | 2.06 | 1458 | NASDAQ | PSTX | Tue, Jul 18, 2023 | 1.93 | 2.05 | 1.91 | 1.95 | 1457 | NASDAQ | PSTX | Mon, Jul 17, 2023 | 1.90 | 1.97 | 1.86 | 1.92 | 1456 | NASDAQ | PSTX | Fri, Jul 14, 2023 | 1.98 | 2.01 | 1.87 | 1.90 | 1455 | NASDAQ | PSTX | Thu, Jul 13, 2023 | 2.00 | 2.09 | 1.97 | 1.99 | 1454 | NASDAQ | PSTX | Wed, Jul 12, 2023 | 1.96 | 1.99 | 1.88 | 1.95 | 1453 | NASDAQ | PSTX | Tue, Jul 11, 2023 | 2.11 | 2.11 | 1.91 | 1.94 | 1452 | NASDAQ | PSTX | Mon, Jul 10, 2023 | 1.94 | 2.30 | 1.93 | 2.11 | 1451 | NASDAQ | PSTX | Fri, Jul 7, 2023 | 1.67 | 1.98 | 1.67 | 1.95 | 1450 | NASDAQ | PSTX | Thu, Jul 6, 2023 | 1.71 | 1.74 | 1.60 | 1.68 | 1449 | NASDAQ | PSTX | Wed, Jul 5, 2023 | 1.88 | 2.13 | 1.58 | 1.70 | 1448 | NASDAQ | PSTX | Mon, Jul 3, 2023 | 1.76 | 1.81 | 1.71 | 1.73 | 1447 | NASDAQ | PSTX | Fri, Jun 30, 2023 | 1.70 | 1.82 | 1.70 | 1.76 | 1446 | NASDAQ | PSTX | Thu, Jun 29, 2023 | 1.78 | 1.81 | 1.54 | 1.66 | 1445 | NASDAQ | PSTX | Wed, Jun 28, 2023 | 1.77 | 1.92 | 1.76 | 1.80 | 1444 | NASDAQ | PSTX | Tue, Jun 27, 2023 | 2.10 | 2.10 | 1.77 | 1.79 | 1443 | NASDAQ | PSTX | Mon, Jun 26, 2023 | 2.34 | 2.34 | 2.03 | 2.09 | 1442 | NASDAQ | PSTX | Fri, Jun 23, 2023 | 2.43 | 2.46 | 2.27 | 2.35 | 1441 | NASDAQ | PSTX | Thu, Jun 22, 2023 | 2.31 | 2.53 | 2.22 | 2.50 | 1440 | NASDAQ | PSTX | Wed, Jun 21, 2023 | 2.42 | 2.42 | 2.15 | 2.30 | 1439 | NASDAQ | PSTX | Tue, Jun 20, 2023 | 2.33 | 2.42 | 2.28 | 2.39 | 1438 | NASDAQ | PSTX | Fri, Jun 16, 2023 | 2.51 | 2.53 | 2.34 | 2.35 | 1437 | NASDAQ | PSTX | Thu, Jun 15, 2023 | 2.37 | 2.54 | 2.34 | 2.47 | 1436 | NASDAQ | PSTX | Wed, Jun 14, 2023 | 2.43 | 2.55 | 2.30 | 2.41 | 1435 | NASDAQ | PSTX | Tue, Jun 13, 2023 | 2.24 | 2.45 | 2.22 | 2.40 | 1434 | NASDAQ | PSTX | Mon, Jun 12, 2023 | 2.20 | 2.29 | 2.15 | 2.18 | 1433 | NASDAQ | PSTX | Fri, Jun 9, 2023 | 2.32 | 2.35 | 2.18 | 2.20 | 1432 | NASDAQ | PSTX | Thu, Jun 8, 2023 | 2.36 | 2.43 | 2.30 | 2.31 | 1431 | NASDAQ | PSTX | Wed, Jun 7, 2023 | 2.40 | 2.50 | 2.33 | 2.38 | 1430 | NASDAQ | PSTX | Tue, Jun 6, 2023 | 2.56 | 2.63 | 2.37 | 2.41 | 1429 | NASDAQ | PSTX | Mon, Jun 5, 2023 | 2.41 | 2.56 | 2.41 | 2.55 | 1428 | NASDAQ | PSTX | Fri, Jun 2, 2023 | 2.36 | 2.45 | 2.21 | 2.42 | 1427 | NASDAQ | PSTX | Thu, Jun 1, 2023 | 2.29 | 2.34 | 2.20 | 2.28 | 1426 | NASDAQ | PSTX | Wed, May 31, 2023 | 2.43 | 2.52 | 2.22 | 2.27 | 1425 | NASDAQ | PSTX | Tue, May 30, 2023 | 2.38 | 2.45 | 2.31 | 2.43 | 1424 | NASDAQ | PSTX | Fri, May 26, 2023 | 2.35 | 2.42 | 2.27 | 2.38 | 1423 | NASDAQ | PSTX | Thu, May 25, 2023 | 2.60 | 2.62 | 2.25 | 2.36 | 1422 | NASDAQ | PSTX | Wed, May 24, 2023 | 2.83 | 2.83 | 2.48 | 2.55 | 1421 | NASDAQ | PSTX | Tue, May 23, 2023 | 2.80 | 2.94 | 2.79 | 2.80 | 1420 | NASDAQ | PSTX | Mon, May 22, 2023 | 2.56 | 2.93 | 2.53 | 2.82 | 1419 | NASDAQ | PSTX | Fri, May 19, 2023 | 2.53 | 2.71 | 2.53 | 2.58 | 1418 | NASDAQ | PSTX | Thu, May 18, 2023 | 2.71 | 2.86 | 2.44 | 2.52 | 1417 | NASDAQ | PSTX | Wed, May 17, 2023 | 2.93 | 2.93 | 2.67 | 2.70 | 1416 | NASDAQ | PSTX | Tue, May 16, 2023 | 2.92 | 2.94 | 2.78 | 2.90 | 1415 | NASDAQ | PSTX | Mon, May 15, 2023 | 2.90 | 3.10 | 2.86 | 2.95 | 1414 | NASDAQ | PSTX | Fri, May 12, 2023 | 3.08 | 3.08 | 2.76 | 2.91 | 1413 | NASDAQ | PSTX | Thu, May 11, 2023 | 3.38 | 3.43 | 3.05 | 3.09 | 1412 | NASDAQ | PSTX | Wed, May 10, 2023 | 3.33 | 3.52 | 3.30 | 3.39 | 1411 | NASDAQ | PSTX | Tue, May 9, 2023 | 3.39 | 3.45 | 3.18 | 3.40 | 1410 | NASDAQ | PSTX | Mon, May 8, 2023 | 3.31 | 3.44 | 3.12 | 3.38 | 1409 | NASDAQ | PSTX | Fri, May 5, 2023 | 3.00 | 3.43 | 3.00 | 3.27 | 1408 | NASDAQ | PSTX | Thu, May 4, 2023 | 2.74 | 3.05 | 2.74 | 2.98 | 1407 | NASDAQ | PSTX | Wed, May 3, 2023 | 2.66 | 2.83 | 2.64 | 2.72 | 1406 | NASDAQ | PSTX | Tue, May 2, 2023 | 2.73 | 2.79 | 2.60 | 2.66 | 1405 | NASDAQ | PSTX | Mon, May 1, 2023 | 2.65 | 2.81 | 2.60 | 2.76 | 1404 | NASDAQ | PSTX | Fri, Apr 28, 2023 | 2.37 | 2.68 | 2.36 | 2.64 | 1403 | NASDAQ | PSTX | Thu, Apr 27, 2023 | 2.45 | 2.50 | 2.40 | 2.41 | 1402 | NASDAQ | PSTX | Wed, Apr 26, 2023 | 2.55 | 2.63 | 2.44 | 2.45 | 1401 | NASDAQ | PSTX | Tue, Apr 25, 2023 | 2.78 | 2.88 | 2.47 | 2.55 | 1400 | NASDAQ | PSTX | Mon, Apr 24, 2023 | 2.93 | 2.95 | 2.68 | 2.76 | 1399 | NASDAQ | PSTX | Fri, Apr 21, 2023 | 2.66 | 2.86 | 2.61 | 2.85 | 1398 | NASDAQ | PSTX | Thu, Apr 20, 2023 | 2.68 | 2.80 | 2.59 | 2.66 | 1397 | NASDAQ | PSTX | Wed, Apr 19, 2023 | 2.36 | 2.73 | 2.35 | 2.68 | 1396 | NASDAQ | PSTX | Tue, Apr 18, 2023 | 2.25 | 2.44 | 2.21 | 2.41 | 1395 | NASDAQ | PSTX | Mon, Apr 17, 2023 | 2.24 | 2.38 | 2.19 | 2.26 | 1394 | NASDAQ | PSTX | Fri, Apr 14, 2023 | 2.43 | 2.49 | 2.23 | 2.25 | 1393 | NASDAQ | PSTX | Thu, Apr 13, 2023 | 2.53 | 2.57 | 2.31 | 2.41 | 1392 | NASDAQ | PSTX | Wed, Apr 12, 2023 | 2.64 | 2.67 | 2.45 | 2.47 | 1391 | NASDAQ | PSTX | Tue, Apr 11, 2023 | 2.71 | 2.73 | 2.58 | 2.62 | 1390 | NASDAQ | PSTX | Mon, Apr 10, 2023 | 2.84 | 2.86 | 2.66 | 2.69 | 1389 | NASDAQ | PSTX | Thu, Apr 6, 2023 | 2.79 | 2.88 | 2.75 | 2.85 | 1388 | NASDAQ | PSTX | Wed, Apr 5, 2023 | 2.79 | 2.87 | 2.76 | 2.78 | 1387 | NASDAQ | PSTX | Tue, Apr 4, 2023 | 3.02 | 3.08 | 2.77 | 2.79 | 1386 | NASDAQ | PSTX | Mon, Apr 3, 2023 | 3.09 | 3.11 | 2.98 | 3.02 | 1385 | NASDAQ | PSTX | Fri, Mar 31, 2023 | 3.14 | 3.24 | 3.07 | 3.08 | 1384 | NASDAQ | PSTX | Thu, Mar 30, 2023 | 3.30 | 3.43 | 2.95 | 3.12 | 1383 | NASDAQ | PSTX | Wed, Mar 29, 2023 | 3.21 | 3.38 | 3.16 | 3.28 | 1382 | NASDAQ | PSTX | Tue, Mar 28, 2023 | 3.37 | 3.47 | 3.16 | 3.18 | 1381 | NASDAQ | PSTX | Mon, Mar 27, 2023 | 3.53 | 3.59 | 3.34 | 3.37 | 1380 | NASDAQ | PSTX | Fri, Mar 24, 2023 | 3.62 | 3.78 | 3.42 | 3.52 | 1379 | NASDAQ | PSTX | Thu, Mar 23, 2023 | 3.76 | 3.99 | 3.57 | 3.65 | 1378 | NASDAQ | PSTX | Wed, Mar 22, 2023 | 4.04 | 4.09 | 3.71 | 3.73 | 1377 | NASDAQ | PSTX | Tue, Mar 21, 2023 | 3.90 | 4.21 | 3.85 | 4.05 | 1376 | NASDAQ | PSTX | Mon, Mar 20, 2023 | 3.92 | 3.98 | 3.77 | 3.89 | 1375 | NASDAQ | PSTX | Fri, Mar 17, 2023 | 4.12 | 4.22 | 3.92 | 4.03 | 1374 | NASDAQ | PSTX | Thu, Mar 16, 2023 | 4.12 | 4.25 | 4.04 | 4.19 | 1373 | NASDAQ | PSTX | Wed, Mar 15, 2023 | 4.26 | 4.35 | 4.13 | 4.16 | 1372 | NASDAQ | PSTX | Tue, Mar 14, 2023 | 4.46 | 4.52 | 4.28 | 4.36 | 1371 | NASDAQ | PSTX | Mon, Mar 13, 2023 | 4.01 | 4.51 | 4.01 | 4.32 | 1370 | NASDAQ | PSTX | Fri, Mar 10, 2023 | 5.06 | 5.09 | 3.93 | 4.10 | 1369 | NASDAQ | PSTX | Thu, Mar 9, 2023 | 5.44 | 5.48 | 4.89 | 5.05 | 1368 | NASDAQ | PSTX | Wed, Mar 8, 2023 | 5.37 | 5.46 | 5.30 | 5.44 | 1367 | NASDAQ | PSTX | Tue, Mar 7, 2023 | 5.39 | 5.55 | 5.22 | 5.46 | 1366 | NASDAQ | PSTX | Mon, Mar 6, 2023 | 5.51 | 5.51 | 5.31 | 5.33 | 1365 | NASDAQ | PSTX | Fri, Mar 3, 2023 | 5.24 | 5.55 | 5.18 | 5.50 | 1364 | NASDAQ | PSTX | Thu, Mar 2, 2023 | 5.30 | 5.30 | 5.01 | 5.25 | 1363 | NASDAQ | PSTX | Wed, Mar 1, 2023 | 5.70 | 5.78 | 5.33 | 5.35 | 1362 | NASDAQ | PSTX | Tue, Feb 28, 2023 | 5.74 | 5.82 | 5.60 | 5.69 | 1361 | NASDAQ | PSTX | Mon, Feb 27, 2023 | 5.89 | 5.98 | 5.68 | 5.73 | 1360 | NASDAQ | PSTX | Fri, Feb 24, 2023 | 5.90 | 6.06 | 5.82 | 5.84 | 1359 | NASDAQ | PSTX | Thu, Feb 23, 2023 | 6.48 | 6.61 | 5.93 | 6.01 | 1358 | NASDAQ | PSTX | Wed, Feb 22, 2023 | 6.60 | 6.77 | 6.34 | 6.42 | 1357 | NASDAQ | PSTX | Tue, Feb 21, 2023 | 6.85 | 7.31 | 6.54 | 6.60 | 1356 | NASDAQ | PSTX | Fri, Feb 17, 2023 | 6.79 | 7.01 | 6.59 | 6.93 | 1355 | NASDAQ | PSTX | Thu, Feb 16, 2023 | 6.97 | 7.11 | 6.81 | 6.88 | 1354 | NASDAQ | PSTX | Wed, Feb 15, 2023 | 7.69 | 7.93 | 6.86 | 7.08 | 1353 | NASDAQ | PSTX | Tue, Feb 14, 2023 | 7.44 | 7.91 | 7.33 | 7.70 | 1352 | NASDAQ | PSTX | Mon, Feb 13, 2023 | 7.57 | 7.96 | 7.43 | 7.50 | 1351 | NASDAQ | PSTX | Fri, Feb 10, 2023 | 8.15 | 8.15 | 7.38 | 7.52 | 1350 | NASDAQ | PSTX | Thu, Feb 9, 2023 | 8.53 | 8.57 | 7.92 | 8.24 | 1349 | NASDAQ | PSTX | Wed, Feb 8, 2023 | 8.71 | 8.82 | 8.32 | 8.42 | 1348 | NASDAQ | PSTX | Tue, Feb 7, 2023 | 8.33 | 8.73 | 8.24 | 8.73 | 1347 | NASDAQ | PSTX | Mon, Feb 6, 2023 | 8.03 | 8.34 | 7.75 | 8.25 | 1346 | NASDAQ | PSTX | Fri, Feb 3, 2023 | 7.65 | 8.03 | 7.59 | 8.03 | 1345 | NASDAQ | PSTX | Thu, Feb 2, 2023 | 7.13 | 7.73 | 7.06 | 7.66 | 1344 | NASDAQ | PSTX | Wed, Feb 1, 2023 | 6.89 | 7.07 | 6.25 | 7.00 | 1343 | NASDAQ | PSTX | Tue, Jan 31, 2023 | 6.71 | 7.12 | 6.71 | 6.96 | 1342 | NASDAQ | PSTX | Mon, Jan 30, 2023 | 7.31 | 7.31 | 6.61 | 6.70 | 1341 | NASDAQ | PSTX | Fri, Jan 27, 2023 | 7.32 | 7.47 | 7.16 | 7.35 | 1340 | NASDAQ | PSTX | Thu, Jan 26, 2023 | 7.44 | 7.51 | 7.23 | 7.32 | 1339 | NASDAQ | PSTX | Wed, Jan 25, 2023 | 7.53 | 7.58 | 6.82 | 7.28 | 1338 | NASDAQ | PSTX | Tue, Jan 24, 2023 | 7.25 | 7.55 | 7.12 | 7.49 | 1337 | NASDAQ | PSTX | Mon, Jan 23, 2023 | 7.50 | 7.64 | 7.23 | 7.26 | 1336 | NASDAQ | PSTX | Fri, Jan 20, 2023 | 7.21 | 7.54 | 7.15 | 7.48 | 1335 | NASDAQ | PSTX | Thu, Jan 19, 2023 | 6.85 | 7.24 | 6.64 | 7.11 | 1334 | NASDAQ | PSTX | Wed, Jan 18, 2023 | 7.23 | 7.42 | 6.87 | 6.90 | 1333 | NASDAQ | PSTX | Tue, Jan 17, 2023 | 7.00 | 7.24 | 6.91 | 7.19 | 1332 | NASDAQ | PSTX | Fri, Jan 13, 2023 | 6.85 | 7.11 | 6.50 | 7.04 | 1331 | NASDAQ | PSTX | Thu, Jan 12, 2023 | 6.49 | 6.94 | 6.38 | 6.88 | 1330 | NASDAQ | PSTX | Wed, Jan 11, 2023 | 6.55 | 6.61 | 6.31 | 6.46 | 1329 | NASDAQ | PSTX | Tue, Jan 10, 2023 | 6.32 | 6.57 | 6.24 | 6.53 | 1328 | NASDAQ | PSTX | Mon, Jan 9, 2023 | 6.77 | 6.77 | 6.27 | 6.30 | 1327 | NASDAQ | PSTX | Fri, Jan 6, 2023 | 6.64 | 7.03 | 6.40 | 6.69 | 1326 | NASDAQ | PSTX | Thu, Jan 5, 2023 | 6.53 | 6.68 | 6.32 | 6.60 | 1325 | NASDAQ | PSTX | Wed, Jan 4, 2023 | 6.01 | 6.78 | 6.01 | 6.63 | 1324 | NASDAQ | PSTX | Tue, Jan 3, 2023 | 5.52 | 5.92 | 5.38 | 5.79 | 1323 | NASDAQ | PSTX | Fri, Dec 30, 2022 | 5.17 | 5.33 | 5.13 | 5.30 | 1322 | NASDAQ | PSTX | Thu, Dec 29, 2022 | 5.11 | 5.35 | 5.10 | 5.23 | 1321 | NASDAQ | PSTX | Wed, Dec 28, 2022 | 4.95 | 5.15 | 4.92 | 5.09 | 1320 | NASDAQ | PSTX | Tue, Dec 27, 2022 | 5.20 | 5.26 | 4.87 | 4.89 | 1319 | NASDAQ | PSTX | Fri, Dec 23, 2022 | 5.21 | 5.26 | 4.83 | 5.13 | 1318 | NASDAQ | PSTX | Thu, Dec 22, 2022 | 5.20 | 5.24 | 4.93 | 5.14 | 1317 | NASDAQ | PSTX | Wed, Dec 21, 2022 | 5.17 | 5.60 | 5.03 | 5.29 | 1316 | NASDAQ | PSTX | Tue, Dec 20, 2022 | 5.23 | 5.23 | 4.74 | 5.16 | 1315 | NASDAQ | PSTX | Mon, Dec 19, 2022 | 5.77 | 5.93 | 5.26 | 5.28 | 1314 | NASDAQ | PSTX | Fri, Dec 16, 2022 | 6.09 | 6.16 | 5.70 | 5.91 | 1313 | NASDAQ | PSTX | Thu, Dec 15, 2022 | 6.36 | 6.36 | 6.00 | 6.22 | 1312 | NASDAQ | PSTX | Wed, Dec 14, 2022 | 5.57 | 6.43 | 5.51 | 6.38 | 1311 | NASDAQ | PSTX | Tue, Dec 13, 2022 | 5.70 | 5.78 | 5.46 | 5.60 | 1310 | NASDAQ | PSTX | Mon, Dec 12, 2022 | 5.70 | 5.71 | 5.37 | 5.53 | 1309 | NASDAQ | PSTX | Fri, Dec 9, 2022 | 5.73 | 5.79 | 5.58 | 5.70 | 1308 | NASDAQ | PSTX | Thu, Dec 8, 2022 | 5.12 | 5.89 | 4.86 | 5.75 | 1307 | NASDAQ | PSTX | Wed, Dec 7, 2022 | 4.75 | 5.11 | 4.75 | 5.02 | 1306 | NASDAQ | PSTX | Tue, Dec 6, 2022 | 5.06 | 5.31 | 4.77 | 4.83 | 1305 | NASDAQ | PSTX | Mon, Dec 5, 2022 | 4.92 | 5.15 | 4.88 | 5.10 | 1304 | NASDAQ | PSTX | Fri, Dec 2, 2022 | 4.52 | 4.94 | 4.43 | 4.92 | 1303 | NASDAQ | PSTX | Thu, Dec 1, 2022 | 4.62 | 4.98 | 4.50 | 4.77 | 1302 | NASDAQ | PSTX | Wed, Nov 30, 2022 | 4.51 | 4.74 | 4.37 | 4.56 | 1301 | NASDAQ | PSTX | Tue, Nov 29, 2022 | 4.09 | 4.52 | 4.08 | 4.45 | 1300 | NASDAQ | PSTX | Mon, Nov 28, 2022 | 4.34 | 4.41 | 4.02 | 4.08 | 1299 | NASDAQ | PSTX | Fri, Nov 25, 2022 | 4.32 | 4.53 | 4.24 | 4.36 | 1298 | NASDAQ | PSTX | Wed, Nov 23, 2022 | 4.36 | 4.39 | 4.21 | 4.36 | 1297 | NASDAQ | PSTX | Tue, Nov 22, 2022 | 4.19 | 4.45 | 4.09 | 4.38 | 1296 | NASDAQ | PSTX | Mon, Nov 21, 2022 | 4.09 | 4.27 | 4.05 | 4.16 | 1295 | NASDAQ | PSTX | Fri, Nov 18, 2022 | 4.52 | 4.79 | 4.11 | 4.18 | 1294 | NASDAQ | PSTX | Thu, Nov 17, 2022 | 4.39 | 4.52 | 4.25 | 4.52 | 1293 | NASDAQ | PSTX | Wed, Nov 16, 2022 | 4.81 | 4.93 | 4.40 | 4.48 | 1292 | NASDAQ | PSTX | Tue, Nov 15, 2022 | 4.92 | 5.03 | 4.66 | 4.81 | 1291 | NASDAQ | PSTX | Mon, Nov 14, 2022 | 4.82 | 5.10 | 4.70 | 4.81 | 1290 | NASDAQ | PSTX | Fri, Nov 11, 2022 | 4.73 | 5.20 | 4.66 | 4.76 | 1289 | NASDAQ | PSTX | Thu, Nov 10, 2022 | 4.49 | 4.65 | 4.14 | 4.50 | 1288 | NASDAQ | PSTX | Wed, Nov 9, 2022 | 4.38 | 4.54 | 4.26 | 4.31 | 1287 | NASDAQ | PSTX | Tue, Nov 8, 2022 | 4.43 | 4.86 | 4.22 | 4.48 | 1286 | NASDAQ | PSTX | Mon, Nov 7, 2022 | 4.22 | 4.54 | 4.00 | 4.45 | 1285 | NASDAQ | PSTX | Fri, Nov 4, 2022 | 4.08 | 4.24 | 4.07 | 4.23 | 1284 | NASDAQ | PSTX | Thu, Nov 3, 2022 | 3.80 | 4.09 | 3.76 | 4.06 | 1283 | NASDAQ | PSTX | Wed, Nov 2, 2022 | 4.14 | 4.15 | 3.80 | 3.82 | 1282 | NASDAQ | PSTX | Tue, Nov 1, 2022 | 4.24 | 4.34 | 4.04 | 4.14 | 1281 | NASDAQ | PSTX | Mon, Oct 31, 2022 | 4.15 | 4.29 | 4.10 | 4.10 | 1280 | NASDAQ | PSTX | Fri, Oct 28, 2022 | 3.99 | 4.21 | 3.99 | 4.19 | 1279 | NASDAQ | PSTX | Thu, Oct 27, 2022 | 4.11 | 4.17 | 3.97 | 4.02 | 1278 | NASDAQ | PSTX | Wed, Oct 26, 2022 | 3.86 | 4.10 | 3.86 | 4.06 | 1277 | NASDAQ | PSTX | Tue, Oct 25, 2022 | 3.71 | 3.98 | 3.71 | 3.91 | 1276 | NASDAQ | PSTX | Mon, Oct 24, 2022 | 3.94 | 3.94 | 3.66 | 3.68 | 1275 | NASDAQ | PSTX | Fri, Oct 21, 2022 | 3.74 | 3.96 | 3.72 | 3.89 | 1274 | NASDAQ | PSTX | Thu, Oct 20, 2022 | 4.20 | 4.29 | 3.78 | 3.79 | 1273 | NASDAQ | PSTX | Wed, Oct 19, 2022 | 4.20 | 4.59 | 4.17 | 4.21 | 1272 | NASDAQ | PSTX | Tue, Oct 18, 2022 | 4.38 | 4.44 | 4.22 | 4.26 | 1271 | NASDAQ | PSTX | Mon, Oct 17, 2022 | 4.24 | 4.40 | 4.18 | 4.32 | 1270 | NASDAQ | PSTX | Fri, Oct 14, 2022 | 4.32 | 4.61 | 4.24 | 4.30 | 1269 | NASDAQ | PSTX | Thu, Oct 13, 2022 | 3.89 | 4.38 | 3.89 | 4.36 | 1268 | NASDAQ | PSTX | Wed, Oct 12, 2022 | 3.71 | 4.07 | 3.71 | 4.06 | 1267 | NASDAQ | PSTX | Tue, Oct 11, 2022 | 3.97 | 3.97 | 3.62 | 3.82 | 1266 | NASDAQ | PSTX | Mon, Oct 10, 2022 | 4.15 | 4.30 | 3.96 | 4.00 | 1265 | NASDAQ | PSTX | Fri, Oct 7, 2022 | 3.91 | 4.64 | 3.86 | 4.20 | 1264 | NASDAQ | PSTX | Thu, Oct 6, 2022 | 3.83 | 4.14 | 3.74 | 4.13 | 1263 | NASDAQ | PSTX | Wed, Oct 5, 2022 | 3.46 | 3.75 | 3.40 | 3.72 | 1262 | NASDAQ | PSTX | Tue, Oct 4, 2022 | 3.41 | 3.53 | 3.39 | 3.50 | 1261 | NASDAQ | PSTX | Mon, Oct 3, 2022 | 3.53 | 3.55 | 3.32 | 3.33 | 1260 | NASDAQ | PSTX | Fri, Sep 30, 2022 | 3.26 | 3.54 | 3.26 | 3.53 | 1259 | NASDAQ | PSTX | Thu, Sep 29, 2022 | 3.34 | 3.34 | 3.20 | 3.25 | 1258 | NASDAQ | PSTX | Wed, Sep 28, 2022 | 3.18 | 3.46 | 3.15 | 3.43 | 1257 | NASDAQ | PSTX | Tue, Sep 27, 2022 | 3.09 | 3.20 | 3.04 | 3.14 | 1256 | NASDAQ | PSTX | Mon, Sep 26, 2022 | 3.06 | 3.09 | 2.94 | 3.08 | 1255 | NASDAQ | PSTX | Fri, Sep 23, 2022 | 3.04 | 3.09 | 2.95 | 3.02 | 1254 | NASDAQ | PSTX | Thu, Sep 22, 2022 | 3.15 | 3.20 | 3.02 | 3.11 | 1253 | NASDAQ | PSTX | Wed, Sep 21, 2022 | 3.28 | 3.36 | 3.19 | 3.23 | 1252 | NASDAQ | PSTX | Tue, Sep 20, 2022 | 3.36 | 3.49 | 3.27 | 3.29 | 1251 | NASDAQ | PSTX | Mon, Sep 19, 2022 | 3.41 | 3.50 | 3.34 | 3.39 | 1250 | NASDAQ | PSTX | Fri, Sep 16, 2022 | 3.54 | 3.60 | 3.33 | 3.55 | 1249 | NASDAQ | PSTX | Thu, Sep 15, 2022 | 3.46 | 3.67 | 3.42 | 3.64 | 1248 | NASDAQ | PSTX | Wed, Sep 14, 2022 | 3.42 | 3.55 | 3.36 | 3.47 | 1247 | NASDAQ | PSTX | Tue, Sep 13, 2022 | 3.57 | 3.60 | 3.42 | 3.44 | 1246 | NASDAQ | PSTX | Mon, Sep 12, 2022 | 3.72 | 3.72 | 3.50 | 3.62 | 1245 | NASDAQ | PSTX | Fri, Sep 9, 2022 | 3.90 | 3.90 | 3.68 | 3.69 | 1244 | NASDAQ | PSTX | Thu, Sep 8, 2022 | 3.60 | 3.87 | 3.55 | 3.86 | 1243 | NASDAQ | PSTX | Wed, Sep 7, 2022 | 3.37 | 3.75 | 3.37 | 3.75 | 1242 | NASDAQ | PSTX | Tue, Sep 6, 2022 | 3.47 | 3.49 | 3.27 | 3.39 | 1241 | NASDAQ | PSTX | Fri, Sep 2, 2022 | 3.53 | 3.63 | 3.45 | 3.49 | 1240 | NASDAQ | PSTX | Thu, Sep 1, 2022 | 3.33 | 3.53 | 3.16 | 3.53 | 1239 | NASDAQ | PSTX | Wed, Aug 31, 2022 | 3.19 | 3.38 | 3.19 | 3.31 | 1238 | NASDAQ | PSTX | Tue, Aug 30, 2022 | 3.35 | 3.40 | 3.13 | 3.13 | 1237 | NASDAQ | PSTX | Mon, Aug 29, 2022 | 3.46 | 3.47 | 3.21 | 3.31 | 1236 | NASDAQ | PSTX | Fri, Aug 26, 2022 | 3.58 | 3.69 | 3.45 | 3.48 | 1235 | NASDAQ | PSTX | Thu, Aug 25, 2022 | 3.49 | 3.63 | 3.40 | 3.55 | 1234 | NASDAQ | PSTX | Wed, Aug 24, 2022 | 3.61 | 3.85 | 3.45 | 3.45 | 1233 | NASDAQ | PSTX | Tue, Aug 23, 2022 | 3.73 | 3.78 | 3.61 | 3.64 | 1232 | NASDAQ | PSTX | Mon, Aug 22, 2022 | 4.10 | 4.16 | 3.63 | 3.65 | 1231 | NASDAQ | PSTX | Fri, Aug 19, 2022 | 4.18 | 4.25 | 4.10 | 4.12 | 1230 | NASDAQ | PSTX | Thu, Aug 18, 2022 | 4.10 | 4.38 | 4.10 | 4.19 | 1229 | NASDAQ | PSTX | Wed, Aug 17, 2022 | 4.31 | 4.41 | 4.15 | 4.17 | 1228 | NASDAQ | PSTX | Tue, Aug 16, 2022 | 4.34 | 4.49 | 4.25 | 4.34 | 1227 | NASDAQ | PSTX | Mon, Aug 15, 2022 | 4.32 | 4.47 | 4.17 | 4.30 | 1226 | NASDAQ | PSTX | Fri, Aug 12, 2022 | 4.04 | 4.55 | 3.91 | 4.40 | 1225 | NASDAQ | PSTX | Thu, Aug 11, 2022 | 3.94 | 4.32 | 3.90 | 4.11 | 1224 | NASDAQ | PSTX | Wed, Aug 10, 2022 | 3.72 | 3.95 | 3.59 | 3.73 | 1223 | NASDAQ | PSTX | Tue, Aug 9, 2022 | 3.74 | 3.85 | 3.60 | 3.64 | 1222 | NASDAQ | PSTX | Mon, Aug 8, 2022 | 4.13 | 4.17 | 3.66 | 3.70 | 1221 | NASDAQ | PSTX | Fri, Aug 5, 2022 | 4.16 | 4.49 | 3.85 | 4.11 | 1220 | NASDAQ | PSTX | Thu, Aug 4, 2022 | 3.96 | 4.50 | 3.82 | 4.42 | 1219 | NASDAQ | PSTX | Wed, Aug 3, 2022 | 3.68 | 5.53 | 3.43 | 4.51 | 1218 | NASDAQ | PSTX | Tue, Aug 2, 2022 | 2.57 | 2.57 | 2.41 | 2.43 | 1217 | NASDAQ | PSTX | Mon, Aug 1, 2022 | 2.51 | 2.55 | 2.44 | 2.54 | 1216 | NASDAQ | PSTX | Fri, Jul 29, 2022 | 2.50 | 2.55 | 2.43 | 2.49 | 1215 | NASDAQ | PSTX | Thu, Jul 28, 2022 | 2.66 | 2.66 | 2.51 | 2.51 | 1214 | NASDAQ | PSTX | Wed, Jul 27, 2022 | 2.73 | 2.77 | 2.59 | 2.68 | 1213 | NASDAQ | PSTX | Tue, Jul 26, 2022 | 2.69 | 2.70 | 2.57 | 2.65 | 1212 | NASDAQ | PSTX | Mon, Jul 25, 2022 | 2.76 | 2.80 | 2.66 | 2.68 | 1211 | NASDAQ | PSTX | Fri, Jul 22, 2022 | 2.84 | 2.85 | 2.76 | 2.78 | 1210 | NASDAQ | PSTX | Thu, Jul 21, 2022 | 2.75 | 2.89 | 2.72 | 2.85 | 1209 | NASDAQ | PSTX | Wed, Jul 20, 2022 | 2.79 | 2.92 | 2.72 | 2.77 | 1208 | NASDAQ | PSTX | Tue, Jul 19, 2022 | 2.78 | 2.96 | 2.63 | 2.78 | 1207 | NASDAQ | PSTX | Mon, Jul 18, 2022 | 2.90 | 2.93 | 2.69 | 2.70 | 1206 | NASDAQ | PSTX | Fri, Jul 15, 2022 | 2.72 | 2.83 | 2.66 | 2.73 | 1205 | NASDAQ | PSTX | Thu, Jul 14, 2022 | 2.73 | 2.83 | 2.53 | 2.73 | 1204 | NASDAQ | PSTX | Wed, Jul 13, 2022 | 2.54 | 2.83 | 2.53 | 2.75 | 1203 | NASDAQ | PSTX | Tue, Jul 12, 2022 | 2.52 | 2.65 | 2.51 | 2.61 | 1202 | NASDAQ | PSTX | Mon, Jul 11, 2022 | 2.75 | 2.80 | 2.51 | 2.54 | 1201 | NASDAQ | PSTX | Fri, Jul 8, 2022 | 2.78 | 2.90 | 2.75 | 2.75 | 1200 | NASDAQ | PSTX | Thu, Jul 7, 2022 | 2.65 | 2.89 | 2.55 | 2.85 | 1199 | NASDAQ | PSTX | Wed, Jul 6, 2022 | 2.55 | 2.84 | 2.42 | 2.66 | 1198 | NASDAQ | PSTX | Tue, Jul 5, 2022 | 2.46 | 2.60 | 2.43 | 2.51 | 1197 | NASDAQ | PSTX | Fri, Jul 1, 2022 | 2.53 | 2.57 | 2.42 | 2.50 | 1196 | NASDAQ | PSTX | Thu, Jun 30, 2022 | 2.38 | 2.60 | 2.33 | 2.58 | 1195 | NASDAQ | PSTX | Wed, Jun 29, 2022 | 2.31 | 2.49 | 2.27 | 2.38 | 1194 | NASDAQ | PSTX | Tue, Jun 28, 2022 | 2.28 | 2.49 | 2.18 | 2.35 | 1193 | NASDAQ | PSTX | Mon, Jun 27, 2022 | 2.17 | 2.29 | 2.11 | 2.23 | 1192 | NASDAQ | PSTX | Fri, Jun 24, 2022 | 2.30 | 2.43 | 2.07 | 2.20 | 1191 | NASDAQ | PSTX | Thu, Jun 23, 2022 | 2.12 | 2.39 | 2.06 | 2.30 | 1190 | NASDAQ | PSTX | Wed, Jun 22, 2022 | 1.95 | 2.28 | 1.95 | 2.10 | 1189 | NASDAQ | PSTX | Tue, Jun 21, 2022 | 2.09 | 2.21 | 1.96 | 2.00 | 1188 | NASDAQ | PSTX | Fri, Jun 17, 2022 | 2.01 | 2.10 | 2.01 | 2.05 | 1187 | NASDAQ | PSTX | Thu, Jun 16, 2022 | 2.13 | 2.14 | 1.96 | 2.01 | 1186 | NASDAQ | PSTX | Wed, Jun 15, 2022 | 2.16 | 2.27 | 2.03 | 2.18 | 1185 | NASDAQ | PSTX | Tue, Jun 14, 2022 | 2.17 | 2.27 | 2.00 | 2.09 | 1184 | NASDAQ | PSTX | Mon, Jun 13, 2022 | 2.29 | 2.34 | 2.04 | 2.15 | 1183 | NASDAQ | PSTX | Fri, Jun 10, 2022 | 2.68 | 2.68 | 2.27 | 2.37 | 1182 | NASDAQ | PSTX | Thu, Jun 9, 2022 | 2.71 | 2.76 | 2.46 | 2.75 | 1181 | NASDAQ | PSTX | Wed, Jun 8, 2022 | 2.68 | 2.80 | 2.51 | 2.63 | 1180 | NASDAQ | PSTX | Tue, Jun 7, 2022 | 2.07 | 2.72 | 2.05 | 2.66 | 1179 | NASDAQ | PSTX | Mon, Jun 6, 2022 | 2.11 | 2.18 | 1.96 | 2.11 | 1178 | NASDAQ | PSTX | Fri, Jun 3, 2022 | 2.04 | 2.14 | 2.00 | 2.11 | 1177 | NASDAQ | PSTX | Thu, Jun 2, 2022 | 2.09 | 2.10 | 2.02 | 2.06 | 1176 | NASDAQ | PSTX | Wed, Jun 1, 2022 | 2.25 | 2.29 | 2.02 | 2.06 | 1175 | NASDAQ | PSTX | Tue, May 31, 2022 | 2.22 | 2.33 | 2.04 | 2.27 | 1174 | NASDAQ | PSTX | Fri, May 27, 2022 | 2.02 | 2.21 | 1.93 | 2.15 | 1173 | NASDAQ | PSTX | Thu, May 26, 2022 | 2.01 | 2.04 | 1.94 | 2.00 | 1172 | NASDAQ | PSTX | Wed, May 25, 2022 | 2.09 | 2.12 | 1.82 | 1.97 | 1171 | NASDAQ | PSTX | Tue, May 24, 2022 | 2.11 | 2.13 | 1.97 | 1.99 | 1170 | NASDAQ | PSTX | Mon, May 23, 2022 | 2.13 | 2.18 | 2.05 | 2.09 | 1169 | NASDAQ | PSTX | Fri, May 20, 2022 | 2.05 | 2.16 | 2.00 | 2.10 | 1168 | NASDAQ | PSTX | Thu, May 19, 2022 | 2.00 | 2.18 | 1.99 | 2.02 | 1167 | NASDAQ | PSTX | Wed, May 18, 2022 | 2.15 | 2.18 | 2.00 | 2.00 | 1166 | NASDAQ | PSTX | Tue, May 17, 2022 | 2.24 | 2.31 | 2.19 | 2.23 | 1165 | NASDAQ | PSTX | Mon, May 16, 2022 | 2.17 | 2.31 | 2.08 | 2.18 | 1164 | NASDAQ | PSTX | Fri, May 13, 2022 | 1.94 | 2.26 | 1.85 | 2.18 | 1163 | NASDAQ | PSTX | Thu, May 12, 2022 | 1.86 | 1.97 | 1.83 | 1.87 | 1162 | NASDAQ | PSTX | Wed, May 11, 2022 | 2.20 | 2.23 | 1.84 | 1.87 | 1161 | NASDAQ | PSTX | Tue, May 10, 2022 | 2.09 | 2.33 | 2.08 | 2.16 | 1160 | NASDAQ | PSTX | Mon, May 9, 2022 | 2.37 | 2.44 | 2.04 | 2.11 | 1159 | NASDAQ | PSTX | Fri, May 6, 2022 | 2.69 | 2.71 | 2.37 | 2.47 | 1158 | NASDAQ | PSTX | Thu, May 5, 2022 | 2.98 | 3.10 | 2.64 | 2.75 | 1157 | NASDAQ | PSTX | Wed, May 4, 2022 | 3.16 | 3.30 | 2.82 | 3.04 | 1156 | NASDAQ | PSTX | Tue, May 3, 2022 | 3.18 | 3.41 | 3.09 | 3.16 | 1155 | NASDAQ | PSTX | Mon, May 2, 2022 | 3.08 | 3.45 | 3.03 | 3.18 | 1154 | NASDAQ | PSTX | Fri, Apr 29, 2022 | 3.05 | 3.22 | 2.98 | 3.09 | 1153 | NASDAQ | PSTX | Thu, Apr 28, 2022 | 2.99 | 3.08 | 2.88 | 3.06 | 1152 | NASDAQ | PSTX | Wed, Apr 27, 2022 | 3.06 | 3.17 | 2.96 | 2.97 | 1151 | NASDAQ | PSTX | Tue, Apr 26, 2022 | 3.14 | 3.14 | 2.92 | 2.98 | 1150 | NASDAQ | PSTX | Mon, Apr 25, 2022 | 3.14 | 3.25 | 3.09 | 3.17 | 1149 | NASDAQ | PSTX | Fri, Apr 22, 2022 | 3.12 | 3.27 | 3.00 | 3.12 | 1148 | NASDAQ | PSTX | Thu, Apr 21, 2022 | 3.24 | 3.29 | 3.05 | 3.07 | 1147 | NASDAQ | PSTX | Wed, Apr 20, 2022 | 3.35 | 3.41 | 3.15 | 3.22 | 1146 | NASDAQ | PSTX | Tue, Apr 19, 2022 | 3.68 | 3.68 | 3.28 | 3.37 | 1145 | NASDAQ | PSTX | Mon, Apr 18, 2022 | 4.04 | 4.06 | 3.62 | 3.63 | 1144 | NASDAQ | PSTX | Thu, Apr 14, 2022 | 4.34 | 4.39 | 4.03 | 4.07 | 1143 | NASDAQ | PSTX | Wed, Apr 13, 2022 | 4.27 | 4.41 | 4.22 | 4.32 | 1142 | NASDAQ | PSTX | Tue, Apr 12, 2022 | 4.23 | 4.41 | 4.20 | 4.25 | 1141 | NASDAQ | PSTX | Mon, Apr 11, 2022 | 4.34 | 4.45 | 4.20 | 4.22 | 1140 | NASDAQ | PSTX | Fri, Apr 8, 2022 | 4.78 | 4.78 | 4.34 | 4.37 | 1139 | NASDAQ | PSTX | Thu, Apr 7, 2022 | 4.93 | 5.04 | 4.62 | 4.71 | 1138 | NASDAQ | PSTX | Wed, Apr 6, 2022 | 4.93 | 5.08 | 4.67 | 4.95 | 1137 | NASDAQ | PSTX | Tue, Apr 5, 2022 | 5.11 | 5.30 | 4.80 | 5.00 | 1136 | NASDAQ | PSTX | Mon, Apr 4, 2022 | 4.76 | 5.05 | 4.76 | 4.91 | 1135 | NASDAQ | PSTX | Fri, Apr 1, 2022 | 4.52 | 4.78 | 4.42 | 4.74 | 1134 | NASDAQ | PSTX | Thu, Mar 31, 2022 | 4.38 | 4.59 | 4.26 | 4.48 | 1133 | NASDAQ | PSTX | Wed, Mar 30, 2022 | 4.62 | 4.68 | 4.42 | 4.42 | 1132 | NASDAQ | PSTX | Tue, Mar 29, 2022 | 4.45 | 4.65 | 4.36 | 4.63 | 1131 | NASDAQ | PSTX | Mon, Mar 28, 2022 | 4.86 | 4.86 | 4.23 | 4.38 | 1130 | NASDAQ | PSTX | Fri, Mar 25, 2022 | 4.88 | 4.97 | 4.66 | 4.71 | 1129 | NASDAQ | PSTX | Thu, Mar 24, 2022 | 4.64 | 5.04 | 4.18 | 5.03 | 1128 | NASDAQ | PSTX | Wed, Mar 23, 2022 | 4.87 | 4.93 | 4.55 | 4.68 | 1127 | NASDAQ | PSTX | Tue, Mar 22, 2022 | 4.66 | 4.89 | 4.46 | 4.81 | 1126 | NASDAQ | PSTX | Mon, Mar 21, 2022 | 4.88 | 4.93 | 4.47 | 4.68 | 1125 | NASDAQ | PSTX | Fri, Mar 18, 2022 | 4.21 | 4.80 | 4.16 | 4.76 | 1124 | NASDAQ | PSTX | Thu, Mar 17, 2022 | 3.90 | 4.29 | 3.90 | 4.28 | 1123 | NASDAQ | PSTX | Wed, Mar 16, 2022 | 3.87 | 4.04 | 3.83 | 3.98 | 1122 | NASDAQ | PSTX | Tue, Mar 15, 2022 | 3.87 | 3.87 | 3.65 | 3.81 | 1121 | NASDAQ | PSTX | Mon, Mar 14, 2022 | 3.85 | 3.87 | 3.63 | 3.78 | 1120 | NASDAQ | PSTX | Fri, Mar 11, 2022 | 3.57 | 4.05 | 3.57 | 3.83 | 1119 | NASDAQ | PSTX | Thu, Mar 10, 2022 | 3.53 | 3.61 | 3.25 | 3.50 | 1118 | NASDAQ | PSTX | Wed, Mar 9, 2022 | 3.44 | 3.67 | 3.37 | 3.63 | 1117 | NASDAQ | PSTX | Tue, Mar 8, 2022 | 3.26 | 3.51 | 3.10 | 3.37 | 1116 | NASDAQ | PSTX | Mon, Mar 7, 2022 | 3.37 | 3.37 | 3.14 | 3.22 | 1115 | NASDAQ | PSTX | Fri, Mar 4, 2022 | 3.27 | 3.35 | 3.24 | 3.30 | 1114 | NASDAQ | PSTX | Thu, Mar 3, 2022 | 3.34 | 3.38 | 3.20 | 3.35 | 1113 | NASDAQ | PSTX | Wed, Mar 2, 2022 | 3.47 | 3.47 | 3.21 | 3.27 | 1112 | NASDAQ | PSTX | Tue, Mar 1, 2022 | 3.61 | 3.71 | 3.40 | 3.42 | 1111 | NASDAQ | PSTX | Mon, Feb 28, 2022 | 3.76 | 3.91 | 3.53 | 3.65 | 1110 | NASDAQ | PSTX | Fri, Feb 25, 2022 | 3.59 | 3.86 | 3.32 | 3.84 | 1109 | NASDAQ | PSTX | Thu, Feb 24, 2022 | 3.44 | 3.59 | 3.28 | 3.56 | 1108 | NASDAQ | PSTX | Wed, Feb 23, 2022 | 3.67 | 3.67 | 3.52 | 3.53 | 1107 | NASDAQ | PSTX | Tue, Feb 22, 2022 | 4.00 | 4.01 | 3.54 | 3.62 | 1106 | NASDAQ | PSTX | Fri, Feb 18, 2022 | 3.49 | 4.03 | 3.49 | 3.93 | 1105 | NASDAQ | PSTX | Thu, Feb 17, 2022 | 4.21 | 4.25 | 3.52 | 3.57 | 1104 | NASDAQ | PSTX | Wed, Feb 16, 2022 | 4.04 | 4.22 | 3.95 | 4.21 | 1103 | NASDAQ | PSTX | Tue, Feb 15, 2022 | 3.86 | 4.07 | 3.80 | 4.02 | 1102 | NASDAQ | PSTX | Mon, Feb 14, 2022 | 4.02 | 4.02 | 3.74 | 3.82 | 1101 | NASDAQ | PSTX | Fri, Feb 11, 2022 | 4.19 | 4.19 | 3.91 | 3.95 | 1100 | NASDAQ | PSTX | Thu, Feb 10, 2022 | 4.17 | 4.18 | 4.02 | 4.10 | 1099 | NASDAQ | PSTX | Wed, Feb 9, 2022 | 4.20 | 4.29 | 4.10 | 4.20 | 1098 | NASDAQ | PSTX | Tue, Feb 8, 2022 | 4.31 | 4.35 | 4.13 | 4.19 | 1097 | NASDAQ | PSTX | Mon, Feb 7, 2022 | 4.31 | 4.57 | 4.24 | 4.34 | 1096 | NASDAQ | PSTX | Fri, Feb 4, 2022 | 4.34 | 4.35 | 4.15 | 4.25 | 1095 | NASDAQ | PSTX | Thu, Feb 3, 2022 | 4.49 | 4.53 | 4.21 | 4.29 | 1094 | NASDAQ | PSTX | Wed, Feb 2, 2022 | 4.80 | 5.01 | 4.49 | 4.56 | 1093 | NASDAQ | PSTX | Tue, Feb 1, 2022 | 4.81 | 4.95 | 4.65 | 4.75 | 1092 | NASDAQ | PSTX | Mon, Jan 31, 2022 | 4.63 | 4.94 | 4.59 | 4.75 | 1091 | NASDAQ | PSTX | Fri, Jan 28, 2022 | 4.51 | 4.63 | 4.40 | 4.62 | 1090 | NASDAQ | PSTX | Thu, Jan 27, 2022 | 4.79 | 4.83 | 4.46 | 4.49 | 1089 | NASDAQ | PSTX | Wed, Jan 26, 2022 | 4.84 | 5.05 | 4.66 | 4.70 | 1088 | NASDAQ | PSTX | Tue, Jan 25, 2022 | 4.67 | 4.94 | 4.56 | 4.78 | 1087 | NASDAQ | PSTX | Mon, Jan 24, 2022 | 4.60 | 4.90 | 4.51 | 4.75 | 1086 | NASDAQ | PSTX | Fri, Jan 21, 2022 | 4.75 | 4.82 | 4.59 | 4.70 | 1085 | NASDAQ | PSTX | Thu, Jan 20, 2022 | 4.89 | 5.14 | 4.80 | 4.82 | 1084 | NASDAQ | PSTX | Wed, Jan 19, 2022 | 5.07 | 5.13 | 4.83 | 4.88 | 1083 | NASDAQ | PSTX | Tue, Jan 18, 2022 | 5.18 | 5.45 | 5.02 | 5.04 | 1082 | NASDAQ | PSTX | Fri, Jan 14, 2022 | 5.42 | 5.46 | 4.94 | 5.26 | 1081 | NASDAQ | PSTX | Thu, Jan 13, 2022 | 5.90 | 6.03 | 5.43 | 5.46 | 1080 | NASDAQ | PSTX | Wed, Jan 12, 2022 | 6.27 | 6.27 | 5.92 | 5.95 | 1079 | NASDAQ | PSTX | Tue, Jan 11, 2022 | 6.38 | 6.46 | 6.07 | 6.21 | 1078 | NASDAQ | PSTX | Mon, Jan 10, 2022 | 6.44 | 6.44 | 6.03 | 6.38 | 1077 | NASDAQ | PSTX | Fri, Jan 7, 2022 | 6.54 | 6.73 | 6.23 | 6.39 | 1076 | NASDAQ | PSTX | Thu, Jan 6, 2022 | 6.47 | 6.55 | 6.22 | 6.27 | 1075 | NASDAQ | PSTX | Wed, Jan 5, 2022 | 7.06 | 7.06 | 6.43 | 6.52 | 1074 | NASDAQ | PSTX | Tue, Jan 4, 2022 | 6.98 | 7.20 | 6.83 | 6.86 | 1073 | NASDAQ | PSTX | Mon, Jan 3, 2022 | 6.84 | 7.08 | 6.61 | 7.04 | 1072 | NASDAQ | PSTX | Fri, Dec 31, 2021 | 7.02 | 7.10 | 6.67 | 6.81 | 1071 | NASDAQ | PSTX | Thu, Dec 30, 2021 | 6.87 | 7.25 | 6.74 | 7.04 | 1070 | NASDAQ | PSTX | Wed, Dec 29, 2021 | 6.87 | 7.03 | 6.78 | 6.91 | 1069 | NASDAQ | PSTX | Tue, Dec 28, 2021 | 6.97 | 7.14 | 6.89 | 6.91 | 1068 | NASDAQ | PSTX | Mon, Dec 27, 2021 | 7.23 | 7.34 | 7.03 | 7.05 | 1067 | NASDAQ | PSTX | Thu, Dec 23, 2021 | 6.80 | 7.36 | 6.73 | 7.22 | 1066 | NASDAQ | PSTX | Wed, Dec 22, 2021 | 6.95 | 7.30 | 6.66 | 6.85 | 1065 | NASDAQ | PSTX | Tue, Dec 21, 2021 | 7.20 | 7.29 | 6.76 | 6.90 | 1064 | NASDAQ | PSTX | Mon, Dec 20, 2021 | 6.62 | 7.15 | 6.62 | 7.11 | 1063 | NASDAQ | PSTX | Fri, Dec 17, 2021 | 6.18 | 6.87 | 6.15 | 6.84 | 1062 | NASDAQ | PSTX | Thu, Dec 16, 2021 | 6.80 | 6.82 | 6.29 | 6.32 | 1061 | NASDAQ | PSTX | Wed, Dec 15, 2021 | 6.71 | 6.83 | 6.41 | 6.79 | 1060 | NASDAQ | PSTX | Tue, Dec 14, 2021 | 7.09 | 7.09 | 6.63 | 6.70 | 1059 | NASDAQ | PSTX | Mon, Dec 13, 2021 | 7.07 | 7.22 | 7.00 | 7.03 | 1058 | NASDAQ | PSTX | Fri, Dec 10, 2021 | 7.23 | 7.30 | 7.03 | 7.10 | 1057 | NASDAQ | PSTX | Thu, Dec 9, 2021 | 7.27 | 7.42 | 6.91 | 7.19 | 1056 | NASDAQ | PSTX | Wed, Dec 8, 2021 | 6.90 | 7.45 | 6.89 | 7.35 | 1055 | NASDAQ | PSTX | Tue, Dec 7, 2021 | 6.88 | 7.31 | 6.82 | 6.95 | 1054 | NASDAQ | PSTX | Mon, Dec 6, 2021 | 7.00 | 7.22 | 6.74 | 6.74 | 1053 | NASDAQ | PSTX | Fri, Dec 3, 2021 | 7.53 | 7.53 | 6.97 | 7.07 | 1052 | NASDAQ | PSTX | Thu, Dec 2, 2021 | 6.82 | 7.25 | 6.81 | 7.22 | 1051 | NASDAQ | PSTX | Wed, Dec 1, 2021 | 6.96 | 7.42 | 6.81 | 6.83 | 1050 | NASDAQ | PSTX | Tue, Nov 30, 2021 | 6.96 | 7.22 | 6.70 | 6.95 | 1049 | NASDAQ | PSTX | Mon, Nov 29, 2021 | 7.02 | 7.19 | 6.86 | 6.89 | 1048 | NASDAQ | PSTX | Fri, Nov 26, 2021 | 7.09 | 7.10 | 6.66 | 6.85 | 1047 | NASDAQ | PSTX | Wed, Nov 24, 2021 | 7.22 | 7.22 | 6.81 | 7.18 | 1046 | NASDAQ | PSTX | Tue, Nov 23, 2021 | 6.66 | 7.12 | 6.62 | 6.99 | 1045 | NASDAQ | PSTX | Mon, Nov 22, 2021 | 7.61 | 7.64 | 6.72 | 6.74 | 1044 | NASDAQ | PSTX | Fri, Nov 19, 2021 | 7.50 | 7.84 | 7.38 | 7.60 | 1043 | NASDAQ | PSTX | Thu, Nov 18, 2021 | 7.18 | 7.29 | 6.82 | 7.25 | 1042 | NASDAQ | PSTX | Wed, Nov 17, 2021 | 7.15 | 7.39 | 6.95 | 7.11 | 1041 | NASDAQ | PSTX | Tue, Nov 16, 2021 | 7.07 | 7.31 | 7.07 | 7.19 | 1040 | NASDAQ | PSTX | Mon, Nov 15, 2021 | 7.30 | 7.30 | 7.14 | 7.29 | 1039 | NASDAQ | PSTX | Fri, Nov 12, 2021 | 7.19 | 7.36 | 6.98 | 7.30 | 1038 | NASDAQ | PSTX | Thu, Nov 11, 2021 | 7.02 | 7.37 | 6.83 | 7.17 | 1037 | NASDAQ | PSTX | Wed, Nov 10, 2021 | 6.83 | 7.56 | 6.72 | 7.02 | 1036 | NASDAQ | PSTX | Tue, Nov 9, 2021 | 6.69 | 6.79 | 6.30 | 6.76 | 1035 | NASDAQ | PSTX | Mon, Nov 8, 2021 | 6.89 | 7.19 | 6.54 | 6.62 | 1034 | NASDAQ | PSTX | Fri, Nov 5, 2021 | 6.47 | 6.97 | 6.36 | 6.91 | 1033 | NASDAQ | PSTX | Thu, Nov 4, 2021 | 6.51 | 6.51 | 6.44 | 6.48 | 1032 | NASDAQ | PSTX | Wed, Nov 3, 2021 | 6.48 | 6.52 | 6.45 | 6.50 | 1031 | NASDAQ | PSTX | Tue, Nov 2, 2021 | 6.52 | 6.57 | 6.36 | 6.52 | 1030 | NASDAQ | PSTX | Mon, Nov 1, 2021 | 6.41 | 6.73 | 6.38 | 6.53 | 1029 | NASDAQ | PSTX | Fri, Oct 29, 2021 | 6.49 | 6.49 | 6.34 | 6.41 | 1028 | NASDAQ | PSTX | Thu, Oct 28, 2021 | 6.45 | 6.51 | 6.45 | 6.49 | 1027 | NASDAQ | PSTX | Wed, Oct 27, 2021 | 6.49 | 6.53 | 6.37 | 6.40 | 1026 | NASDAQ | PSTX | Tue, Oct 26, 2021 | 6.29 | 6.58 | 6.22 | 6.49 | 1025 | NASDAQ | PSTX | Mon, Oct 25, 2021 | 6.37 | 6.45 | 6.22 | 6.33 | 1024 | NASDAQ | PSTX | Fri, Oct 22, 2021 | 6.42 | 6.43 | 6.20 | 6.37 | 1023 | NASDAQ | PSTX | Thu, Oct 21, 2021 | 6.36 | 6.51 | 6.36 | 6.42 | 1022 | NASDAQ | PSTX | Wed, Oct 20, 2021 | 6.36 | 6.46 | 6.25 | 6.36 | 1021 | NASDAQ | PSTX | Tue, Oct 19, 2021 | 6.27 | 6.49 | 6.20 | 6.36 | 1020 | NASDAQ | PSTX | Mon, Oct 18, 2021 | 6.56 | 6.63 | 6.21 | 6.23 | 1019 | NASDAQ | PSTX | Fri, Oct 15, 2021 | 6.55 | 6.71 | 6.41 | 6.56 | 1018 | NASDAQ | PSTX | Thu, Oct 14, 2021 | 6.70 | 6.84 | 6.25 | 6.43 | 1017 | NASDAQ | PSTX | Wed, Oct 13, 2021 | 6.72 | 7.04 | 6.54 | 6.60 | 1016 | NASDAQ | PSTX | Tue, Oct 12, 2021 | 7.00 | 7.04 | 6.27 | 6.68 | 1015 | NASDAQ | PSTX | Mon, Oct 11, 2021 | 6.73 | 6.82 | 6.38 | 6.65 | 1014 | NASDAQ | PSTX | Fri, Oct 8, 2021 | 6.85 | 6.85 | 6.46 | 6.57 | 1013 | NASDAQ | PSTX | Thu, Oct 7, 2021 | 6.60 | 6.94 | 6.60 | 6.81 | 1012 | NASDAQ | PSTX | Wed, Oct 6, 2021 | 6.59 | 6.73 | 6.50 | 6.55 | 1011 | NASDAQ | PSTX | Tue, Oct 5, 2021 | 6.74 | 6.92 | 6.50 | 6.68 | 1010 | NASDAQ | PSTX | Mon, Oct 4, 2021 | 6.96 | 6.96 | 6.68 | 6.74 | 1009 | NASDAQ | PSTX | Fri, Oct 1, 2021 | 7.24 | 7.24 | 6.85 | 7.05 | 1008 | NASDAQ | PSTX | Thu, Sep 30, 2021 | 7.11 | 7.43 | 7.05 | 7.29 | 1007 | NASDAQ | PSTX | Wed, Sep 29, 2021 | 7.35 | 7.35 | 7.04 | 7.09 | 1006 | NASDAQ | PSTX | Tue, Sep 28, 2021 | 7.56 | 7.60 | 7.29 | 7.30 | 1005 | NASDAQ | PSTX | Mon, Sep 27, 2021 | 7.83 | 7.92 | 7.53 | 7.61 | 1004 | NASDAQ | PSTX | Fri, Sep 24, 2021 | 7.95 | 8.00 | 7.78 | 7.87 | 1003 | NASDAQ | PSTX | Thu, Sep 23, 2021 | 7.73 | 7.98 | 7.62 | 7.95 | 1002 | NASDAQ | PSTX | Wed, Sep 22, 2021 | 7.91 | 7.91 | 7.53 | 7.67 | 1001 | NASDAQ | PSTX | Tue, Sep 21, 2021 | 7.96 | 8.09 | 7.73 | 7.91 | 1000 | NASDAQ | PSTX | Mon, Sep 20, 2021 | 7.91 | 8.04 | 7.64 | 7.98 | 999 | NASDAQ | PSTX | Fri, Sep 17, 2021 | 8.20 | 8.34 | 7.99 | 8.00 | 998 | NASDAQ | PSTX | Thu, Sep 16, 2021 | 8.27 | 8.35 | 8.07 | 8.17 | 997 | NASDAQ | PSTX | Wed, Sep 15, 2021 | 8.15 | 8.48 | 8.04 | 8.25 | 996 | NASDAQ | PSTX | Tue, Sep 14, 2021 | 8.32 | 8.32 | 8.00 | 8.12 | 995 | NASDAQ | PSTX | Mon, Sep 13, 2021 | 8.20 | 8.65 | 8.10 | 8.40 | 994 | NASDAQ | PSTX | Fri, Sep 10, 2021 | 8.41 | 8.41 | 8.00 | 8.20 | 993 | NASDAQ | PSTX | Thu, Sep 9, 2021 | 8.45 | 8.52 | 8.34 | 8.37 | 992 | NASDAQ | PSTX | Wed, Sep 8, 2021 | 8.29 | 8.53 | 8.12 | 8.45 | 991 | NASDAQ | PSTX | Tue, Sep 7, 2021 | 8.15 | 8.51 | 8.12 | 8.29 | 990 | NASDAQ | PSTX | Fri, Sep 3, 2021 | 8.28 | 8.38 | 8.12 | 8.17 | 989 | NASDAQ | PSTX | Thu, Sep 2, 2021 | 8.83 | 8.83 | 8.14 | 8.39 | 988 | NASDAQ | PSTX | Wed, Sep 1, 2021 | 8.78 | 8.80 | 8.30 | 8.55 | 987 | NASDAQ | PSTX | Tue, Aug 31, 2021 | 10.86 | 10.89 | 8.46 | 8.64 | 986 | NASDAQ | PSTX | Mon, Aug 30, 2021 | 9.90 | 11.10 | 9.80 | 10.71 | 985 | NASDAQ | PSTX | Fri, Aug 27, 2021 | 9.82 | 10.25 | 9.82 | 9.90 | 984 | NASDAQ | PSTX | Thu, Aug 26, 2021 | 10.00 | 10.26 | 9.64 | 10.01 | 983 | NASDAQ | PSTX | Wed, Aug 25, 2021 | 9.00 | 9.91 | 8.97 | 9.78 | 982 | NASDAQ | PSTX | Tue, Aug 24, 2021 | 8.91 | 9.06 | 8.64 | 8.70 | 981 | NASDAQ | PSTX | Mon, Aug 23, 2021 | 8.82 | 9.32 | 8.79 | 8.93 | 980 | NASDAQ | PSTX | Fri, Aug 20, 2021 | 8.80 | 9.00 | 8.61 | 8.97 | 979 | NASDAQ | PSTX | Thu, Aug 19, 2021 | 9.45 | 9.63 | 8.81 | 8.88 | 978 | NASDAQ | PSTX | Wed, Aug 18, 2021 | 9.25 | 9.66 | 9.19 | 9.45 | 977 | NASDAQ | PSTX | Tue, Aug 17, 2021 | 9.25 | 9.26 | 8.96 | 9.22 | 976 | NASDAQ | PSTX | Mon, Aug 16, 2021 | 8.83 | 9.32 | 8.75 | 9.19 | 975 | NASDAQ | PSTX | Fri, Aug 13, 2021 | 8.75 | 8.91 | 8.63 | 8.80 | 974 | NASDAQ | PSTX | Thu, Aug 12, 2021 | 8.94 | 9.11 | 8.66 | 8.78 | 973 | NASDAQ | PSTX | Wed, Aug 11, 2021 | 8.65 | 9.00 | 8.52 | 8.94 | 972 | NASDAQ | PSTX | Tue, Aug 10, 2021 | 8.56 | 8.80 | 8.35 | 8.65 | 971 | NASDAQ | PSTX | Mon, Aug 9, 2021 | 8.64 | 8.71 | 8.42 | 8.47 | 970 | NASDAQ | PSTX | Fri, Aug 6, 2021 | 8.50 | 8.68 | 8.28 | 8.59 | 969 | NASDAQ | PSTX | Thu, Aug 5, 2021 | 8.00 | 8.52 | 7.99 | 8.51 | 968 | NASDAQ | PSTX | Wed, Aug 4, 2021 | 8.01 | 8.24 | 7.95 | 8.04 | 967 | NASDAQ | PSTX | Tue, Aug 3, 2021 | 8.12 | 8.13 | 7.84 | 8.08 | 966 | NASDAQ | PSTX | Mon, Aug 2, 2021 | 8.20 | 8.33 | 8.03 | 8.11 | 965 | NASDAQ | PSTX | Fri, Jul 30, 2021 | 8.30 | 8.36 | 8.01 | 8.11 | 964 | NASDAQ | PSTX | Thu, Jul 29, 2021 | 8.68 | 8.68 | 8.27 | 8.31 | 963 | NASDAQ | PSTX | Wed, Jul 28, 2021 | 8.32 | 8.61 | 8.31 | 8.57 | 962 | NASDAQ | PSTX | Tue, Jul 27, 2021 | 8.60 | 8.76 | 8.26 | 8.29 | 961 | NASDAQ | PSTX | Mon, Jul 26, 2021 | 8.64 | 8.85 | 8.42 | 8.49 | 960 | NASDAQ | PSTX | Fri, Jul 23, 2021 | 9.08 | 9.08 | 8.50 | 8.63 | 959 | NASDAQ | PSTX | Thu, Jul 22, 2021 | 9.12 | 9.25 | 8.84 | 9.00 | 958 | NASDAQ | PSTX | Wed, Jul 21, 2021 | 9.09 | 9.24 | 8.88 | 9.19 | 957 | NASDAQ | PSTX | Tue, Jul 20, 2021 | 8.69 | 9.04 | 8.57 | 9.04 | 956 | NASDAQ | PSTX | Mon, Jul 19, 2021 | 8.51 | 8.71 | 8.46 | 8.68 | 955 | NASDAQ | PSTX | Fri, Jul 16, 2021 | 8.54 | 8.85 | 8.35 | 8.66 | 954 | NASDAQ | PSTX | Thu, Jul 15, 2021 | 8.51 | 8.64 | 8.30 | 8.55 | 953 | NASDAQ | PSTX | Wed, Jul 14, 2021 | 8.83 | 8.85 | 8.42 | 8.50 | 952 | NASDAQ | PSTX | Tue, Jul 13, 2021 | 9.24 | 9.25 | 8.71 | 8.74 | 951 | NASDAQ | PSTX | Mon, Jul 12, 2021 | 9.00 | 9.30 | 8.90 | 9.23 | 950 | NASDAQ | PSTX | Fri, Jul 9, 2021 | 8.83 | 9.08 | 8.64 | 9.04 | 949 | NASDAQ | PSTX | Thu, Jul 8, 2021 | 9.08 | 9.08 | 8.71 | 8.81 | 948 | NASDAQ | PSTX | Wed, Jul 7, 2021 | 8.54 | 9.19 | 8.45 | 8.99 | 947 | NASDAQ | PSTX | Tue, Jul 6, 2021 | 8.84 | 8.85 | 8.44 | 8.51 | 946 | NASDAQ | PSTX | Fri, Jul 2, 2021 | 9.64 | 9.66 | 8.63 | 8.79 | 945 | NASDAQ | PSTX | Thu, Jul 1, 2021 | 10.14 | 10.25 | 9.59 | 9.64 | 944 | NASDAQ | PSTX | Wed, Jun 30, 2021 | 9.84 | 10.21 | 9.51 | 10.02 | 943 | NASDAQ | PSTX | Tue, Jun 29, 2021 | 10.01 | 10.15 | 9.70 | 9.87 | 942 | NASDAQ | PSTX | Mon, Jun 28, 2021 | 10.00 | 10.63 | 9.87 | 10.03 | 941 | NASDAQ | PSTX | Fri, Jun 25, 2021 | 9.32 | 10.25 | 9.22 | 10.02 | 940 | NASDAQ | PSTX | Thu, Jun 24, 2021 | 9.05 | 9.32 | 9.05 | 9.31 | 939 | NASDAQ | PSTX | Wed, Jun 23, 2021 | 9.14 | 9.40 | 8.92 | 9.02 | 938 | NASDAQ | PSTX | Tue, Jun 22, 2021 | 9.21 | 9.21 | 8.85 | 9.11 | 937 | NASDAQ | PSTX | Mon, Jun 21, 2021 | 8.86 | 9.30 | 8.70 | 9.22 | 936 | NASDAQ | PSTX | Fri, Jun 18, 2021 | 8.81 | 9.00 | 8.50 | 8.78 | 935 | NASDAQ | PSTX | Thu, Jun 17, 2021 | 8.96 | 9.20 | 8.83 | 8.99 | 934 | NASDAQ | PSTX | Wed, Jun 16, 2021 | 9.24 | 9.36 | 8.87 | 8.98 | 933 | NASDAQ | PSTX | Tue, Jun 15, 2021 | 9.18 | 9.38 | 8.91 | 9.32 | 932 | NASDAQ | PSTX | Mon, Jun 14, 2021 | 9.49 | 9.72 | 9.17 | 9.21 | 931 | NASDAQ | PSTX | Fri, Jun 11, 2021 | 9.27 | 9.64 | 9.17 | 9.47 | 930 | NASDAQ | PSTX | Thu, Jun 10, 2021 | 8.56 | 9.40 | 8.56 | 9.34 | 929 | NASDAQ | PSTX | Wed, Jun 9, 2021 | 8.72 | 8.93 | 8.49 | 8.51 | 928 | NASDAQ | PSTX | Tue, Jun 8, 2021 | 8.78 | 8.93 | 8.54 | 8.70 | 927 | NASDAQ | PSTX | Mon, Jun 7, 2021 | 8.41 | 8.77 | 8.32 | 8.68 | 926 | NASDAQ | PSTX | Fri, Jun 4, 2021 | 8.31 | 8.52 | 8.21 | 8.38 | 925 | NASDAQ | PSTX | Thu, Jun 3, 2021 | 8.25 | 8.73 | 8.19 | 8.40 | 924 | NASDAQ | PSTX | Wed, Jun 2, 2021 | 8.70 | 8.76 | 8.11 | 8.20 | 923 | NASDAQ | PSTX | Tue, Jun 1, 2021 | 8.49 | 8.80 | 8.31 | 8.72 | 922 | NASDAQ | PSTX | Fri, May 28, 2021 | 8.67 | 8.95 | 8.42 | 8.45 | 921 | NASDAQ | PSTX | Thu, May 27, 2021 | 8.33 | 8.76 | 8.13 | 8.70 | 920 | NASDAQ | PSTX | Wed, May 26, 2021 | 8.29 | 8.48 | 8.02 | 8.24 | 919 | NASDAQ | PSTX | Tue, May 25, 2021 | 8.43 | 8.47 | 8.30 | 8.31 | 918 | NASDAQ | PSTX | Mon, May 24, 2021 | 9.48 | 9.48 | 8.15 | 8.35 | 917 | NASDAQ | PSTX | Fri, May 21, 2021 | 9.39 | 9.75 | 9.12 | 9.53 | 916 | NASDAQ | PSTX | Thu, May 20, 2021 | 8.96 | 9.30 | 8.76 | 9.27 | 915 | NASDAQ | PSTX | Wed, May 19, 2021 | 9.11 | 9.22 | 8.77 | 9.01 | 914 | NASDAQ | PSTX | Tue, May 18, 2021 | 9.74 | 9.74 | 9.19 | 9.26 | 913 | NASDAQ | PSTX | Mon, May 17, 2021 | 8.40 | 9.00 | 8.40 | 8.84 | 912 | NASDAQ | PSTX | Fri, May 14, 2021 | 8.52 | 8.73 | 8.25 | 8.40 | 911 | NASDAQ | PSTX | Thu, May 13, 2021 | 8.52 | 8.59 | 8.14 | 8.31 | 910 | NASDAQ | PSTX | Wed, May 12, 2021 | 8.32 | 9.19 | 8.32 | 8.48 | 909 | NASDAQ | PSTX | Tue, May 11, 2021 | 7.95 | 8.64 | 7.81 | 8.50 | 908 | NASDAQ | PSTX | Mon, May 10, 2021 | 8.67 | 8.67 | 7.93 | 7.96 | 907 | NASDAQ | PSTX | Fri, May 7, 2021 | 8.32 | 8.68 | 8.32 | 8.66 | 906 | NASDAQ | PSTX | Thu, May 6, 2021 | 8.57 | 8.57 | 8.01 | 8.40 | 905 | NASDAQ | PSTX | Wed, May 5, 2021 | 8.50 | 8.79 | 8.33 | 8.52 | 904 | NASDAQ | PSTX | Tue, May 4, 2021 | 8.88 | 8.88 | 8.30 | 8.45 | 903 | NASDAQ | PSTX | Mon, May 3, 2021 | 9.36 | 9.41 | 8.80 | 8.96 | 902 | NASDAQ | PSTX | Fri, Apr 30, 2021 | 9.51 | 9.69 | 9.06 | 9.36 | 901 | NASDAQ | PSTX | Thu, Apr 29, 2021 | 9.73 | 9.83 | 9.40 | 9.61 | 900 | NASDAQ | PSTX | Wed, Apr 28, 2021 | 9.17 | 9.71 | 9.06 | 9.65 | 899 | NASDAQ | PSTX | Tue, Apr 27, 2021 | 9.22 | 9.61 | 8.91 | 9.26 | 898 | NASDAQ | PSTX | Mon, Apr 26, 2021 | 9.01 | 9.35 | 8.85 | 9.17 | 897 | NASDAQ | PSTX | Fri, Apr 23, 2021 | 9.30 | 9.35 | 8.72 | 8.85 | 896 | NASDAQ | PSTX | Thu, Apr 22, 2021 | 8.92 | 9.37 | 8.92 | 9.20 | 895 | NASDAQ | PSTX | Wed, Apr 21, 2021 | 8.50 | 9.06 | 8.30 | 8.90 | 894 | NASDAQ | PSTX | Tue, Apr 20, 2021 | 8.57 | 8.66 | 8.32 | 8.51 | 893 | NASDAQ | PSTX | Mon, Apr 19, 2021 | 8.67 | 8.67 | 8.20 | 8.58 | 892 | NASDAQ | PSTX | Fri, Apr 16, 2021 | 8.93 | 8.93 | 8.38 | 8.55 | 891 | NASDAQ | PSTX | Thu, Apr 15, 2021 | 9.14 | 9.22 | 8.70 | 8.90 | 890 | NASDAQ | PSTX | Wed, Apr 14, 2021 | 8.92 | 9.31 | 8.77 | 9.09 | 889 | NASDAQ | PSTX | Tue, Apr 13, 2021 | 8.59 | 8.91 | 8.33 | 8.91 | 888 | NASDAQ | PSTX | Mon, Apr 12, 2021 | 8.79 | 8.94 | 8.42 | 8.50 | 887 | NASDAQ | PSTX | Fri, Apr 9, 2021 | 9.17 | 9.17 | 8.60 | 8.90 | 886 | NASDAQ | PSTX | Thu, Apr 8, 2021 | 9.11 | 9.22 | 8.88 | 8.95 | 885 | NASDAQ | PSTX | Wed, Apr 7, 2021 | 9.72 | 9.80 | 8.81 | 8.98 | 884 | NASDAQ | PSTX | Tue, Apr 6, 2021 | 9.94 | 10.18 | 9.64 | 9.79 | 883 | NASDAQ | PSTX | Mon, Apr 5, 2021 | 9.55 | 10.38 | 9.25 | 10.07 | 882 | NASDAQ | PSTX | Thu, Apr 1, 2021 | 9.68 | 10.07 | 9.21 | 9.48 | 881 | NASDAQ | PSTX | Wed, Mar 31, 2021 | 9.06 | 9.68 | 8.95 | 9.55 | 880 | NASDAQ | PSTX | Tue, Mar 30, 2021 | 9.09 | 9.30 | 8.83 | 8.86 | 879 | NASDAQ | PSTX | Mon, Mar 29, 2021 | 9.10 | 9.38 | 9.00 | 9.19 | 878 | NASDAQ | PSTX | Fri, Mar 26, 2021 | 9.70 | 9.76 | 8.91 | 9.18 | 877 | NASDAQ | PSTX | Thu, Mar 25, 2021 | 9.52 | 9.89 | 9.11 | 9.42 | 876 | NASDAQ | PSTX | Wed, Mar 24, 2021 | 9.98 | 10.24 | 9.50 | 9.61 | 875 | NASDAQ | PSTX | Tue, Mar 23, 2021 | 9.99 | 10.32 | 9.39 | 9.97 | 874 | NASDAQ | PSTX | Mon, Mar 22, 2021 | 10.77 | 10.97 | 9.99 | 10.07 | 873 | NASDAQ | PSTX | Fri, Mar 19, 2021 | 11.21 | 11.56 | 10.53 | 10.89 | 872 | NASDAQ | PSTX | Thu, Mar 18, 2021 | 11.25 | 11.56 | 10.83 | 10.98 | 871 | NASDAQ | PSTX | Wed, Mar 17, 2021 | 10.65 | 11.57 | 10.52 | 11.40 | 870 | NASDAQ | PSTX | Tue, Mar 16, 2021 | 10.43 | 10.90 | 10.26 | 10.80 | 869 | NASDAQ | PSTX | Mon, Mar 15, 2021 | 11.14 | 11.39 | 10.35 | 10.38 | 868 | NASDAQ | PSTX | Fri, Mar 12, 2021 | 10.00 | 11.48 | 9.48 | 11.18 | 867 | NASDAQ | PSTX | Thu, Mar 11, 2021 | 9.88 | 10.35 | 9.58 | 9.80 | 866 | NASDAQ | PSTX | Wed, Mar 10, 2021 | 10.11 | 10.56 | 9.34 | 9.80 | 865 | NASDAQ | PSTX | Tue, Mar 9, 2021 | 8.85 | 10.20 | 8.85 | 10.16 | 864 | NASDAQ | PSTX | Mon, Mar 8, 2021 | 8.75 | 9.62 | 8.53 | 8.81 | 863 | NASDAQ | PSTX | Fri, Mar 5, 2021 | 9.35 | 9.72 | 8.25 | 8.63 | 862 | NASDAQ | PSTX | Thu, Mar 4, 2021 | 10.79 | 11.11 | 9.18 | 9.28 | 861 | NASDAQ | PSTX | Wed, Mar 3, 2021 | 11.15 | 11.47 | 10.68 | 10.86 | 860 | NASDAQ | PSTX | Tue, Mar 2, 2021 | 11.30 | 11.83 | 11.25 | 11.36 | 859 | NASDAQ | PSTX | Mon, Mar 1, 2021 | 11.43 | 12.18 | 10.60 | 11.29 | 858 | NASDAQ | PSTX | Fri, Feb 26, 2021 | 11.81 | 12.50 | 10.78 | 11.04 | 857 | NASDAQ | PSTX | Thu, Feb 25, 2021 | 11.06 | 12.90 | 11.06 | 11.91 | 856 | NASDAQ | PSTX | Wed, Feb 24, 2021 | 13.41 | 13.64 | 11.03 | 11.08 | 855 | NASDAQ | PSTX | Tue, Feb 23, 2021 | 11.15 | 11.15 | 9.91 | 10.15 | 854 | NASDAQ | PSTX | Mon, Feb 22, 2021 | 10.93 | 12.10 | 10.83 | 11.49 | 853 | NASDAQ | PSTX | Fri, Feb 19, 2021 | 10.43 | 10.99 | 10.16 | 10.81 | 852 | NASDAQ | PSTX | Thu, Feb 18, 2021 | 10.74 | 10.77 | 9.90 | 10.40 | 851 | NASDAQ | PSTX | Wed, Feb 17, 2021 | 10.21 | 11.10 | 10.05 | 10.62 | 850 | NASDAQ | PSTX | Tue, Feb 16, 2021 | 9.73 | 10.37 | 9.42 | 10.05 | 849 | NASDAQ | PSTX | Fri, Feb 12, 2021 | 9.50 | 9.69 | 9.18 | 9.59 | 848 | NASDAQ | PSTX | Thu, Feb 11, 2021 | 9.84 | 9.89 | 9.30 | 9.47 | 847 | NASDAQ | PSTX | Wed, Feb 10, 2021 | 10.00 | 10.00 | 9.21 | 9.75 | 846 | NASDAQ | PSTX | Tue, Feb 9, 2021 | 9.33 | 9.90 | 9.01 | 9.69 | 845 | NASDAQ | PSTX | Mon, Feb 8, 2021 | 9.28 | 9.68 | 8.90 | 9.24 | 844 | NASDAQ | PSTX | Fri, Feb 5, 2021 | 9.29 | 9.29 | 8.93 | 9.00 | 843 | NASDAQ | PSTX | Thu, Feb 4, 2021 | 9.77 | 9.98 | 9.05 | 9.15 | 842 | NASDAQ | PSTX | Wed, Feb 3, 2021 | 9.57 | 9.82 | 9.25 | 9.56 | 841 | NASDAQ | PSTX | Tue, Feb 2, 2021 | 9.03 | 9.50 | 8.86 | 9.45 | 840 | NASDAQ | PSTX | Mon, Feb 1, 2021 | 8.84 | 9.10 | 8.70 | 8.96 | 839 | NASDAQ | PSTX | Fri, Jan 29, 2021 | 8.85 | 9.02 | 8.46 | 8.70 | 838 | NASDAQ | PSTX | Thu, Jan 28, 2021 | 8.65 | 9.00 | 8.41 | 8.84 | 837 | NASDAQ | PSTX | Wed, Jan 27, 2021 | 8.81 | 9.00 | 8.48 | 8.55 | 836 | NASDAQ | PSTX | Tue, Jan 26, 2021 | 9.26 | 9.26 | 8.69 | 8.84 | 835 | NASDAQ | PSTX | Mon, Jan 25, 2021 | 9.26 | 9.39 | 8.80 | 9.08 | 834 | NASDAQ | PSTX | Fri, Jan 22, 2021 | 9.75 | 9.90 | 9.18 | 9.25 | 833 | NASDAQ | PSTX | Thu, Jan 21, 2021 | 9.23 | 10.00 | 9.11 | 9.83 | 832 | NASDAQ | PSTX | Wed, Jan 20, 2021 | 9.45 | 9.49 | 9.04 | 9.30 | 831 | NASDAQ | PSTX | Tue, Jan 19, 2021 | 8.76 | 9.52 | 8.50 | 9.36 | 830 | NASDAQ | PSTX | Fri, Jan 15, 2021 | 8.70 | 8.90 | 8.56 | 8.68 | 829 | NASDAQ | PSTX | Thu, Jan 14, 2021 | 8.58 | 8.68 | 8.40 | 8.63 | 828 | NASDAQ | PSTX | Wed, Jan 13, 2021 | 8.58 | 8.67 | 8.40 | 8.51 | 827 | NASDAQ | PSTX | Tue, Jan 12, 2021 | 9.00 | 9.14 | 8.66 | 8.77 | 826 | NASDAQ | PSTX | Mon, Jan 11, 2021 | 9.27 | 9.37 | 8.90 | 9.03 | 825 | NASDAQ | PSTX | Fri, Jan 8, 2021 | 9.58 | 9.60 | 9.11 | 9.28 | 824 | NASDAQ | PSTX | Thu, Jan 7, 2021 | 9.89 | 10.13 | 9.42 | 9.50 | 823 | NASDAQ | PSTX | Wed, Jan 6, 2021 | 10.41 | 10.53 | 9.58 | 9.89 | 822 | NASDAQ | PSTX | Tue, Jan 5, 2021 | 10.85 | 11.10 | 10.27 | 10.42 | 821 | NASDAQ | PSTX | Mon, Jan 4, 2021 | 11.15 | 11.38 | 10.71 | 10.95 | 820 | NASDAQ | PSTX | Thu, Dec 31, 2020 | 11.18 | 11.18 | 10.51 | 10.97 | 819 | NASDAQ | PSTX | Wed, Dec 30, 2020 | 11.47 | 11.78 | 10.77 | 11.18 | 818 | NASDAQ | PSTX | Tue, Dec 29, 2020 | 11.45 | 11.60 | 10.62 | 11.47 | 817 | NASDAQ | PSTX | Mon, Dec 28, 2020 | 10.48 | 13.98 | 10.30 | 11.04 | 816 | NASDAQ | PSTX | Thu, Dec 24, 2020 | 9.05 | 9.46 | 9.05 | 9.26 | 815 | NASDAQ | PSTX | Wed, Dec 23, 2020 | 9.50 | 9.68 | 9.05 | 9.13 | 814 | NASDAQ | PSTX | Tue, Dec 22, 2020 | 9.18 | 9.90 | 9.18 | 9.53 | 813 | NASDAQ | PSTX | Mon, Dec 21, 2020 | 9.52 | 9.66 | 8.92 | 9.19 | 812 | NASDAQ | PSTX | Fri, Dec 18, 2020 | 10.22 | 10.22 | 9.65 | 9.66 | 811 | NASDAQ | PSTX | Thu, Dec 17, 2020 | 10.06 | 10.35 | 9.72 | 10.08 | 810 | NASDAQ | PSTX | Wed, Dec 16, 2020 | 10.42 | 10.51 | 9.91 | 10.07 | 809 | NASDAQ | PSTX | Tue, Dec 15, 2020 | 10.10 | 11.00 | 10.10 | 10.50 | 808 | NASDAQ | PSTX | Mon, Dec 14, 2020 | 10.75 | 10.97 | 10.03 | 10.06 | 807 | NASDAQ | PSTX | Fri, Dec 11, 2020 | 10.32 | 10.75 | 10.21 | 10.60 | 806 | NASDAQ | PSTX | Thu, Dec 10, 2020 | 10.78 | 10.78 | 10.02 | 10.38 | 805 | NASDAQ | PSTX | Wed, Dec 9, 2020 | 10.76 | 10.96 | 10.00 | 10.86 | 804 | NASDAQ | PSTX | Tue, Dec 8, 2020 | 10.92 | 11.16 | 10.60 | 10.70 | 803 | NASDAQ | PSTX | Mon, Dec 7, 2020 | 11.00 | 11.31 | 10.74 | 10.99 | 802 | NASDAQ | PSTX | Fri, Dec 4, 2020 | 11.24 | 11.24 | 10.51 | 10.68 | 801 | NASDAQ | PSTX | Thu, Dec 3, 2020 | 10.82 | 11.40 | 10.82 | 11.15 | 800 | NASDAQ | PSTX | Wed, Dec 2, 2020 | 11.33 | 11.50 | 10.71 | 10.95 | 799 | NASDAQ | PSTX | Tue, Dec 1, 2020 | 11.57 | 12.00 | 11.33 | 11.50 | 798 | NASDAQ | PSTX | Mon, Nov 30, 2020 | 11.48 | 11.82 | 11.33 | 11.61 | 797 | NASDAQ | PSTX | Fri, Nov 27, 2020 | 11.41 | 11.85 | 11.41 | 11.60 | 796 | NASDAQ | PSTX | Wed, Nov 25, 2020 | 11.01 | 11.59 | 10.77 | 11.46 | 795 | NASDAQ | PSTX | Tue, Nov 24, 2020 | 11.22 | 11.41 | 10.82 | 11.10 | 794 | NASDAQ | PSTX | Mon, Nov 23, 2020 | 10.87 | 11.50 | 10.82 | 11.22 | 793 | NASDAQ | PSTX | Fri, Nov 20, 2020 | 10.83 | 11.35 | 10.58 | 11.03 | 792 | NASDAQ | PSTX | Thu, Nov 19, 2020 | 11.06 | 11.82 | 10.97 | 11.06 | 791 | NASDAQ | PSTX | Wed, Nov 18, 2020 | 11.19 | 11.47 | 10.89 | 10.93 | 790 | NASDAQ | PSTX | Tue, Nov 17, 2020 | 10.95 | 11.56 | 10.55 | 11.07 | 789 | NASDAQ | PSTX | Mon, Nov 16, 2020 | 10.68 | 11.20 | 10.54 | 10.95 | 788 | NASDAQ | PSTX | Fri, Nov 13, 2020 | 10.58 | 10.69 | 10.42 | 10.50 | 787 | NASDAQ | PSTX | Thu, Nov 12, 2020 | 10.41 | 10.92 | 10.37 | 10.64 | 786 | NASDAQ | PSTX | Wed, Nov 11, 2020 | 10.12 | 10.46 | 9.96 | 10.46 | 785 | NASDAQ | PSTX | Tue, Nov 10, 2020 | 10.48 | 10.62 | 9.93 | 9.95 | 784 | NASDAQ | PSTX | Mon, Nov 9, 2020 | 10.57 | 11.68 | 10.28 | 10.30 | 783 | NASDAQ | PSTX | Fri, Nov 6, 2020 | 11.15 | 11.22 | 10.06 | 10.14 | 782 | NASDAQ | PSTX | Thu, Nov 5, 2020 | 11.32 | 11.40 | 10.93 | 11.28 | 781 | NASDAQ | PSTX | Wed, Nov 4, 2020 | 10.81 | 11.28 | 10.80 | 11.07 | 780 | NASDAQ | PSTX | Tue, Nov 3, 2020 | 11.23 | 11.23 | 10.82 | 11.00 | 779 | NASDAQ | PSTX | Mon, Nov 2, 2020 | 11.65 | 11.99 | 10.35 | 10.81 | 778 | NASDAQ | PSTX | Fri, Oct 30, 2020 | 11.25 | 11.60 | 10.90 | 11.51 | 777 | NASDAQ | PSTX | Thu, Oct 29, 2020 | 11.09 | 11.48 | 10.90 | 11.37 | 776 | NASDAQ | PSTX | Wed, Oct 28, 2020 | 11.36 | 11.55 | 10.52 | 11.09 | 775 | NASDAQ | PSTX | Tue, Oct 27, 2020 | 11.52 | 11.80 | 11.33 | 11.70 | 774 | NASDAQ | PSTX | Mon, Oct 26, 2020 | 10.95 | 11.50 | 10.63 | 11.50 | 773 | NASDAQ | PSTX | Fri, Oct 23, 2020 | 11.04 | 11.16 | 10.83 | 10.98 | 772 | NASDAQ | PSTX | Thu, Oct 22, 2020 | 10.04 | 11.36 | 10.02 | 11.00 | 771 | NASDAQ | PSTX | Wed, Oct 21, 2020 | 10.89 | 10.94 | 9.98 | 10.00 | 770 | NASDAQ | PSTX | Tue, Oct 20, 2020 | 10.92 | 11.07 | 10.40 | 10.83 | 769 | NASDAQ | PSTX | Mon, Oct 19, 2020 | 11.35 | 11.35 | 10.53 | 10.82 | 768 | NASDAQ | PSTX | Fri, Oct 16, 2020 | 11.35 | 11.50 | 10.90 | 11.31 | 767 | NASDAQ | PSTX | Thu, Oct 15, 2020 | 10.80 | 11.49 | 10.36 | 11.33 | 766 | NASDAQ | PSTX | Wed, Oct 14, 2020 | 10.52 | 11.09 | 9.47 | 11.00 | 765 | NASDAQ | PSTX | Tue, Oct 13, 2020 | 9.74 | 10.44 | 9.54 | 10.43 | 764 | NASDAQ | PSTX | Mon, Oct 12, 2020 | 8.95 | 9.86 | 8.87 | 9.80 | 763 | NASDAQ | PSTX | Fri, Oct 9, 2020 | 9.26 | 9.30 | 8.79 | 9.06 | 762 | NASDAQ | PSTX | Thu, Oct 8, 2020 | 9.47 | 9.53 | 9.02 | 9.16 | 761 | NASDAQ | PSTX | Wed, Oct 7, 2020 | 8.97 | 9.49 | 8.92 | 9.47 | 760 | NASDAQ | PSTX | Tue, Oct 6, 2020 | 8.69 | 9.10 | 8.45 | 8.90 | 759 | NASDAQ | PSTX | Mon, Oct 5, 2020 | 8.38 | 8.87 | 8.11 | 8.70 | 758 | NASDAQ | PSTX | Fri, Oct 2, 2020 | 8.36 | 8.60 | 8.12 | 8.29 | 757 | NASDAQ | PSTX | Thu, Oct 1, 2020 | 8.92 | 8.94 | 8.20 | 8.50 | 756 | NASDAQ | PSTX | Wed, Sep 30, 2020 | 9.00 | 9.19 | 8.75 | 8.87 | 755 | NASDAQ | PSTX | Tue, Sep 29, 2020 | 9.31 | 9.31 | 8.66 | 9.00 | 754 | NASDAQ | PSTX | Mon, Sep 28, 2020 | 9.54 | 9.70 | 9.30 | 9.36 | 753 | NASDAQ | PSTX | Fri, Sep 25, 2020 | 9.18 | 9.80 | 9.18 | 9.43 | 752 | NASDAQ | PSTX | Thu, Sep 24, 2020 | 9.44 | 9.74 | 9.10 | 9.18 | 751 | NASDAQ | PSTX | Wed, Sep 23, 2020 | 9.96 | 10.08 | 9.46 | 9.50 | 750 | NASDAQ | PSTX | Tue, Sep 22, 2020 | 9.64 | 10.19 | 9.10 | 10.08 | 749 | NASDAQ | PSTX | Mon, Sep 21, 2020 | 9.39 | 9.79 | 9.38 | 9.55 | 748 | NASDAQ | PSTX | Fri, Sep 18, 2020 | 9.34 | 10.14 | 9.34 | 9.67 | 747 | NASDAQ | PSTX | Thu, Sep 17, 2020 | 9.54 | 10.02 | 9.35 | 9.50 | 746 | NASDAQ | PSTX | Wed, Sep 16, 2020 | 10.04 | 10.25 | 9.60 | 9.76 | 745 | NASDAQ | PSTX | Tue, Sep 15, 2020 | 9.93 | 10.42 | 9.70 | 9.92 | 744 | NASDAQ | PSTX | Mon, Sep 14, 2020 | 9.51 | 10.00 | 9.50 | 9.89 | 743 | NASDAQ | PSTX | Fri, Sep 11, 2020 | 9.37 | 10.09 | 9.11 | 9.50 | 742 | NASDAQ | PSTX | Thu, Sep 10, 2020 | 9.57 | 10.24 | 9.26 | 9.35 | 741 | NASDAQ | PSTX | Wed, Sep 9, 2020 | 9.22 | 10.36 | 9.22 | 9.48 | 740 | NASDAQ | PSTX | Tue, Sep 8, 2020 | 9.13 | 9.89 | 9.10 | 9.36 | 739 | NASDAQ | PSTX | Fri, Sep 4, 2020 | 9.45 | 9.59 | 9.10 | 9.30 | 738 | NASDAQ | PSTX | Thu, Sep 3, 2020 | 9.41 | 9.74 | 9.10 | 9.53 | 737 | NASDAQ | PSTX | Wed, Sep 2, 2020 | 9.30 | 9.87 | 9.26 | 9.43 | 736 | NASDAQ | PSTX | Tue, Sep 1, 2020 | 9.30 | 9.86 | 9.08 | 9.36 | 735 | NASDAQ | PSTX | Mon, Aug 31, 2020 | 8.99 | 9.55 | 8.85 | 9.39 | 734 | NASDAQ | PSTX | Fri, Aug 28, 2020 | 8.52 | 9.45 | 8.37 | 9.23 | 733 | NASDAQ | PSTX | Thu, Aug 27, 2020 | 8.71 | 8.87 | 8.36 | 8.61 | 732 | NASDAQ | PSTX | Wed, Aug 26, 2020 | 8.09 | 8.95 | 7.91 | 8.80 | 731 | NASDAQ | PSTX | Tue, Aug 25, 2020 | 8.35 | 8.35 | 7.90 | 8.09 | 730 | NASDAQ | PSTX | Mon, Aug 24, 2020 | 8.66 | 8.71 | 7.63 | 8.55 | 729 | NASDAQ | PSTX | Fri, Aug 21, 2020 | 9.42 | 9.70 | 8.40 | 8.61 | 728 | NASDAQ | PSTX | Thu, Aug 20, 2020 | 8.82 | 10.15 | 8.75 | 9.11 | 727 | NASDAQ | PSTX | Wed, Aug 19, 2020 | 9.71 | 9.85 | 8.75 | 8.86 | 726 | NASDAQ | PSTX | Tue, Aug 18, 2020 | 8.76 | 9.58 | 8.38 | 9.06 | 725 | NASDAQ | PSTX | Mon, Aug 17, 2020 | 13.11 | 13.61 | 12.62 | 13.00 | 724 | NASDAQ | PSTX | Fri, Aug 14, 2020 | 12.77 | 13.78 | 12.32 | 13.10 | 723 | NASDAQ | PSTX | Thu, Aug 13, 2020 | 11.53 | 13.25 | 11.51 | 12.99 | 722 | NASDAQ | PSTX | Wed, Aug 12, 2020 | 11.85 | 12.49 | 11.00 | 11.50 | 721 | NASDAQ | PSTX | Tue, Aug 11, 2020 | 12.91 | 13.00 | 11.70 | 12.00 | 720 | NASDAQ | PSTX | Mon, Aug 10, 2020 | 12.73 | 13.05 | 12.28 | 12.96 | 719 | NASDAQ | PSTX | Fri, Aug 7, 2020 | 12.56 | 13.18 | 12.45 | 12.83 | 718 | NASDAQ | PSTX | Thu, Aug 6, 2020 | 12.81 | 13.40 | 12.53 | 12.68 | 717 | NASDAQ | PSTX | Wed, Aug 5, 2020 | 13.40 | 13.99 | 12.76 | 12.90 | 716 | NASDAQ | PSTX | Tue, Aug 4, 2020 | 13.75 | 14.15 | 12.65 | 13.08 | 715 | NASDAQ | PSTX | Mon, Aug 3, 2020 | 13.56 | 13.63 | 12.50 | 13.41 | 714 | NASDAQ | PSTX | Fri, Jul 31, 2020 | 13.75 | 13.75 | 11.77 | 12.98 | 713 | NASDAQ | PSTX | Thu, Jul 30, 2020 | 12.79 | 13.57 | 12.76 | 13.33 | 712 | NASDAQ | PSTX | Wed, Jul 29, 2020 | 13.15 | 14.20 | 12.75 | 12.96 | 711 | NASDAQ | PSTX | Tue, Jul 28, 2020 | 14.01 | 15.50 | 12.70 | 13.03 | 710 | NASDAQ | PSTX | Mon, Jul 27, 2020 | 15.13 | 15.79 | 13.89 | 14.30 | 709 | NASDAQ | PSTX | Fri, Jul 24, 2020 | 15.47 | 16.02 | 14.46 | 15.44 | 708 | NASDAQ | PSTX | Thu, Jul 23, 2020 | 15.64 | 16.08 | 15.09 | 15.62 | 707 | NASDAQ | PSTX | Wed, Jul 22, 2020 | 14.78 | 15.95 | 14.68 | 15.78 | 706 | NASDAQ | PSTX | Tue, Jul 21, 2020 | 16.07 | 16.55 | 14.65 | 15.04 | 705 | NASDAQ | PSTX | Mon, Jul 20, 2020 | 16.26 | 17.15 | 15.76 | 16.25 | 704 | NASDAQ | PSTX | Fri, Jul 17, 2020 | 15.45 | 17.62 | 15.40 | 16.10 | 703 | NASDAQ | PSTX | Thu, Jul 16, 2020 | 14.54 | 15.90 | 13.75 | 15.50 | 702 | NASDAQ | PSTX | Wed, Jul 15, 2020 | 13.24 | 14.43 | 13.06 | 14.02 | 701 | NASDAQ | PSTX | Tue, Jul 14, 2020 | 13.75 | 14.21 | 11.35 | 13.01 | 700 | NASDAQ | PSTX | Mon, Jul 13, 2020 | 15.75 | 16.00 | 13.16 | 13.48 | 699 | NASDAQ | PSTX | Fri, Jul 10, 2020 | 17.00 | 17.43 | 15.20 | 15.35 | 698 | NASDAQ | PSTX | Mon, Mar 24, 2014 | 2.21 | 2.22 | 2.21 | 2.22 | 697 | NASDAQ | PSTX | Fri, Mar 21, 2014 | 2.22 | 2.22 | 2.22 | 2.22 | 696 | NASDAQ | PSTX | Thu, Mar 20, 2014 | 2.21 | 2.23 | 2.21 | 2.23 | 695 | NASDAQ | PSTX | Wed, Mar 19, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 694 | NASDAQ | PSTX | Tue, Mar 18, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 693 | NASDAQ | PSTX | Mon, Mar 17, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 692 | NASDAQ | PSTX | Fri, Mar 14, 2014 | 2.21 | 2.22 | 2.21 | 2.22 | 691 | NASDAQ | PSTX | Thu, Mar 13, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 690 | NASDAQ | PSTX | Wed, Mar 12, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 689 | NASDAQ | PSTX | Tue, Mar 11, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 688 | NASDAQ | PSTX | Mon, Mar 10, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 687 | NASDAQ | PSTX | Fri, Mar 7, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 686 | NASDAQ | PSTX | Thu, Mar 6, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 685 | NASDAQ | PSTX | Wed, Mar 5, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 684 | NASDAQ | PSTX | Tue, Mar 4, 2014 | 2.21 | 2.22 | 2.21 | 2.21 | 683 | NASDAQ | PSTX | Mon, Mar 3, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 682 | NASDAQ | PSTX | Fri, Feb 28, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 681 | NASDAQ | PSTX | Thu, Feb 27, 2014 | 2.21 | 2.21 | 2.21 | 2.21 | 680 | NASDAQ | PSTX | Wed, Feb 26, 2014 | 2.21 | 2.21 | 2.20 | 2.21 | 679 | NASDAQ | PSTX | Tue, Feb 25, 2014 | 2.21 | 2.21 | 2.20 | 2.21 | 678 | NASDAQ | PSTX | Mon, Feb 24, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 677 | NASDAQ | PSTX | Fri, Feb 21, 2014 | 2.20 | 2.21 | 2.20 | 2.20 | 676 | NASDAQ | PSTX | Thu, Feb 20, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 675 | NASDAQ | PSTX | Wed, Feb 19, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 674 | NASDAQ | PSTX | Tue, Feb 18, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 673 | NASDAQ | PSTX | Fri, Feb 14, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 672 | NASDAQ | PSTX | Thu, Feb 13, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 671 | NASDAQ | PSTX | Wed, Feb 12, 2014 | 2.20 | 2.21 | 2.20 | 2.21 | 670 | NASDAQ | PSTX | Tue, Feb 11, 2014 | 2.21 | 2.21 | 2.20 | 2.20 | 669 | NASDAQ | PSTX | Mon, Feb 10, 2014 | 2.20 | 2.21 | 2.20 | 2.20 | 668 | NASDAQ | PSTX | Fri, Feb 7, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 667 | NASDAQ | PSTX | Thu, Feb 6, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 666 | NASDAQ | PSTX | Wed, Feb 5, 2014 | 2.20 | 2.20 | 2.19 | 2.19 | 665 | NASDAQ | PSTX | Tue, Feb 4, 2014 | 2.19 | 2.20 | 2.19 | 2.20 | 664 | NASDAQ | PSTX | Mon, Feb 3, 2014 | 2.19 | 2.20 | 2.19 | 2.20 | 663 | NASDAQ | PSTX | Fri, Jan 31, 2014 | 2.19 | 2.20 | 2.19 | 2.20 | 662 | NASDAQ | PSTX | Thu, Jan 30, 2014 | 2.20 | 2.20 | 2.19 | 2.19 | 661 | NASDAQ | PSTX | Wed, Jan 29, 2014 | 2.19 | 2.19 | 2.19 | 2.19 | 660 | NASDAQ | PSTX | Tue, Jan 28, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 659 | NASDAQ | PSTX | Mon, Jan 27, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 658 | NASDAQ | PSTX | Fri, Jan 24, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 657 | NASDAQ | PSTX | Wed, Jan 22, 2014 | 2.20 | 2.20 | 2.20 | 2.20 | 656 | NASDAQ | PSTX | Tue, Jan 21, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 655 | NASDAQ | PSTX | Fri, Jan 17, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 654 | NASDAQ | PSTX | Thu, Jan 16, 2014 | 2.19 | 2.20 | 2.19 | 2.20 | 653 | NASDAQ | PSTX | Wed, Jan 15, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 652 | NASDAQ | PSTX | Tue, Jan 14, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 651 | NASDAQ | PSTX | Mon, Jan 13, 2014 | 2.19 | 2.19 | 2.19 | 2.19 | 650 | NASDAQ | PSTX | Fri, Jan 10, 2014 | 2.19 | 2.20 | 2.19 | 2.19 | 649 | NASDAQ | PSTX | Thu, Jan 9, 2014 | 2.21 | 2.21 | 2.19 | 2.20 | 648 | NASDAQ | PSTX | Wed, Jan 8, 2014 | 2.19 | 2.21 | 2.19 | 2.20 | 647 | NASDAQ | PSTX | Tue, Jan 7, 2014 | 2.20 | 2.20 | 2.19 | 2.19 | 646 | NASDAQ | PSTX | Mon, Jan 6, 2014 | 2.20 | 2.20 | 2.19 | 2.20 | 645 | NASDAQ | PSTX | Fri, Jan 3, 2014 | 2.20 | 2.21 | 2.19 | 2.20 | 644 | NASDAQ | PSTX | Thu, Jan 2, 2014 | 2.20 | 2.21 | 2.20 | 2.20 | 643 | NASDAQ | PSTX | Tue, Dec 31, 2013 | 2.19 | 2.21 | 2.19 | 2.20 | 642 | NASDAQ | PSTX | Mon, Dec 30, 2013 | 1.40 | 1.48 | 1.35 | 1.48 | 641 | NASDAQ | PSTX | Fri, Dec 27, 2013 | 1.30 | 1.45 | 1.30 | 1.45 | 640 | NASDAQ | PSTX | Thu, Dec 26, 2013 | 1.39 | 1.45 | 1.33 | 1.40 | 639 | NASDAQ | PSTX | Tue, Dec 24, 2013 | 1.40 | 1.45 | 1.35 | 1.43 | 638 | NASDAQ | PSTX | Mon, Dec 23, 2013 | 1.63 | 1.64 | 1.35 | 1.47 | 637 | NASDAQ | PSTX | Fri, Dec 20, 2013 | 1.62 | 1.63 | 1.50 | 1.63 | 636 | NASDAQ | PSTX | Thu, Dec 19, 2013 | 1.44 | 1.62 | 1.44 | 1.57 | 635 | NASDAQ | PSTX | Wed, Dec 18, 2013 | 1.38 | 1.45 | 1.33 | 1.44 | 634 | NASDAQ | PSTX | Tue, Dec 17, 2013 | 1.42 | 1.42 | 1.34 | 1.38 | 633 | NASDAQ | PSTX | Mon, Dec 16, 2013 | 1.40 | 1.44 | 1.39 | 1.44 | 632 | NASDAQ | PSTX | Fri, Dec 13, 2013 | 1.42 | 1.44 | 1.40 | 1.40 | 631 | NASDAQ | PSTX | Thu, Dec 12, 2013 | 1.45 | 1.47 | 1.40 | 1.44 | 630 | NASDAQ | PSTX | Wed, Dec 11, 2013 | 1.45 | 1.53 | 1.39 | 1.46 | 629 | NASDAQ | PSTX | Tue, Dec 10, 2013 | 1.64 | 1.64 | 1.23 | 1.47 | 628 | NASDAQ | PSTX | Mon, Dec 9, 2013 | 1.66 | 1.66 | 1.61 | 1.64 | 627 | NASDAQ | PSTX | Fri, Dec 6, 2013 | 1.69 | 1.69 | 1.65 | 1.66 | 626 | NASDAQ | PSTX | Thu, Dec 5, 2013 | 1.66 | 1.69 | 1.66 | 1.69 | 625 | NASDAQ | PSTX | Wed, Dec 4, 2013 | 1.65 | 1.70 | 1.65 | 1.66 | 624 | NASDAQ | PSTX | Tue, Dec 3, 2013 | 1.68 | 1.70 | 1.65 | 1.70 | 623 | NASDAQ | PSTX | Mon, Dec 2, 2013 | 1.66 | 1.85 | 1.66 | 1.70 | 622 | NASDAQ | PSTX | Fri, Nov 29, 2013 | 1.70 | 1.70 | 1.68 | 1.69 | 621 | NASDAQ | PSTX | Wed, Nov 27, 2013 | 1.70 | 1.70 | 1.65 | 1.70 | 620 | NASDAQ | PSTX | Tue, Nov 26, 2013 | 1.69 | 1.70 | 1.68 | 1.70 | 619 | NASDAQ | PSTX | Mon, Nov 25, 2013 | 1.71 | 1.71 | 1.68 | 1.68 | 618 | NASDAQ | PSTX | Fri, Nov 22, 2013 | 1.75 | 1.75 | 1.73 | 1.73 | 617 | NASDAQ | PSTX | Thu, Nov 21, 2013 | 1.73 | 1.75 | 1.70 | 1.73 | 616 | NASDAQ | PSTX | Wed, Nov 20, 2013 | 1.80 | 1.80 | 1.72 | 1.73 | 615 | NASDAQ | PSTX | Tue, Nov 19, 2013 | 1.78 | 1.80 | 1.77 | 1.78 | 614 | NASDAQ | PSTX | Mon, Nov 18, 2013 | 1.84 | 1.84 | 1.76 | 1.78 | 613 | NASDAQ | PSTX | Fri, Nov 15, 2013 | 1.85 | 1.88 | 1.82 | 1.86 | 612 | NASDAQ | PSTX | Thu, Nov 14, 2013 | 1.93 | 1.97 | 1.84 | 1.88 | 611 | NASDAQ | PSTX | Wed, Nov 13, 2013 | 1.71 | 1.97 | 1.65 | 1.91 | 610 | NASDAQ | PSTX | Tue, Nov 12, 2013 | 1.73 | 1.79 | 1.65 | 1.65 | 609 | NASDAQ | PSTX | Mon, Nov 11, 2013 | 1.81 | 1.81 | 1.60 | 1.73 | 608 | NASDAQ | PSTX | Fri, Nov 8, 2013 | 1.73 | 1.81 | 1.69 | 1.81 | 607 | NASDAQ | PSTX | Thu, Nov 7, 2013 | 1.71 | 1.75 | 1.69 | 1.69 | 606 | NASDAQ | PSTX | Wed, Nov 6, 2013 | 1.75 | 1.76 | 1.65 | 1.69 | 605 | NASDAQ | PSTX | Tue, Nov 5, 2013 | 1.79 | 1.79 | 1.75 | 1.77 | 604 | NASDAQ | PSTX | Mon, Nov 4, 2013 | 1.80 | 1.89 | 1.76 | 1.79 | 603 | NASDAQ | PSTX | Fri, Nov 1, 2013 | 1.84 | 1.85 | 1.76 | 1.84 | 602 | NASDAQ | PSTX | Thu, Oct 31, 2013 | 1.92 | 1.92 | 1.76 | 1.84 | 601 | NASDAQ | PSTX | Wed, Oct 30, 2013 | 1.92 | 1.99 | 1.77 | 1.93 | 600 | NASDAQ | PSTX | Tue, Oct 29, 2013 | 1.80 | 2.04 | 1.80 | 2.00 | 599 | NASDAQ | PSTX | Mon, Oct 28, 2013 | 1.90 | 1.90 | 1.76 | 1.80 | 598 | NASDAQ | PSTX | Fri, Oct 25, 2013 | 1.85 | 1.90 | 1.85 | 1.90 | 597 | NASDAQ | PSTX | Thu, Oct 24, 2013 | 1.77 | 1.85 | 1.75 | 1.85 | 596 | NASDAQ | PSTX | Wed, Oct 23, 2013 | 1.69 | 1.75 | 1.65 | 1.74 | 595 | NASDAQ | PSTX | Tue, Oct 22, 2013 | 1.79 | 1.79 | 1.70 | 1.71 | 594 | NASDAQ | PSTX | Mon, Oct 21, 2013 | 1.72 | 1.79 | 1.71 | 1.75 | 593 | NASDAQ | PSTX | Fri, Oct 18, 2013 | 1.73 | 1.77 | 1.72 | 1.75 | 592 | NASDAQ | PSTX | Thu, Oct 17, 2013 | 1.75 | 1.78 | 1.73 | 1.73 | 591 | NASDAQ | PSTX | Wed, Oct 16, 2013 | 1.77 | 1.80 | 1.75 | 1.75 | 590 | NASDAQ | PSTX | Tue, Oct 15, 2013 | 1.81 | 1.82 | 1.77 | 1.77 | 589 | NASDAQ | PSTX | Mon, Oct 14, 2013 | 1.71 | 1.89 | 1.70 | 1.89 | 588 | NASDAQ | PSTX | Fri, Oct 11, 2013 | 1.80 | 1.91 | 1.80 | 1.90 | 587 | NASDAQ | PSTX | Thu, Oct 10, 2013 | 1.80 | 1.95 | 1.80 | 1.85 | 586 | NASDAQ | PSTX | Wed, Oct 9, 2013 | 1.71 | 1.86 | 1.69 | 1.86 | 585 | NASDAQ | PSTX | Tue, Oct 8, 2013 | 1.87 | 1.87 | 1.63 | 1.71 | 584 | NASDAQ | PSTX | Mon, Oct 7, 2013 | 1.95 | 1.95 | 1.86 | 1.89 | 583 | NASDAQ | PSTX | Fri, Oct 4, 2013 | 1.98 | 1.98 | 1.94 | 1.94 | 582 | NASDAQ | PSTX | Thu, Oct 3, 2013 | 1.95 | 1.98 | 1.91 | 1.98 | 581 | NASDAQ | PSTX | Wed, Oct 2, 2013 | 1.89 | 1.91 | 1.80 | 1.89 | 580 | NASDAQ | PSTX | Tue, Oct 1, 2013 | 1.80 | 1.91 | 1.75 | 1.90 | 579 | NASDAQ | PSTX | Mon, Sep 30, 2013 | 1.77 | 1.83 | 1.63 | 1.83 | 578 | NASDAQ | PSTX | Fri, Sep 27, 2013 | 1.90 | 1.90 | 1.75 | 1.77 | 577 | NASDAQ | PSTX | Thu, Sep 26, 2013 | 1.85 | 1.87 | 1.85 | 1.86 | 576 | NASDAQ | PSTX | Wed, Sep 25, 2013 | 1.90 | 1.95 | 1.83 | 1.90 | 575 | NASDAQ | PSTX | Tue, Sep 24, 2013 | 2.05 | 2.05 | 1.88 | 1.95 | 574 | NASDAQ | PSTX | Mon, Sep 23, 2013 | 1.98 | 2.00 | 1.95 | 1.97 | 573 | NASDAQ | PSTX | Fri, Sep 20, 2013 | 1.98 | 2.00 | 1.93 | 1.96 | 572 | NASDAQ | PSTX | Thu, Sep 19, 2013 | 2.07 | 2.07 | 1.90 | 1.96 | 571 | NASDAQ | PSTX | Wed, Sep 18, 2013 | 2.01 | 2.08 | 2.00 | 2.01 | 570 | NASDAQ | PSTX | Tue, Sep 17, 2013 | 2.02 | 2.07 | 2.01 | 2.01 | 569 | NASDAQ | PSTX | Mon, Sep 16, 2013 | 2.04 | 2.06 | 2.01 | 2.01 | 568 | NASDAQ | PSTX | Fri, Sep 13, 2013 | 2.09 | 2.09 | 2.02 | 2.07 | 567 | NASDAQ | PSTX | Thu, Sep 12, 2013 | 2.10 | 2.10 | 2.04 | 2.08 | 566 | NASDAQ | PSTX | Wed, Sep 11, 2013 | 2.15 | 2.15 | 2.05 | 2.12 | 565 | NASDAQ | PSTX | Tue, Sep 10, 2013 | 2.19 | 2.19 | 2.12 | 2.14 | 564 | NASDAQ | PSTX | Mon, Sep 9, 2013 | 2.16 | 2.22 | 2.15 | 2.19 | 563 | NASDAQ | PSTX | Fri, Sep 6, 2013 | 2.15 | 2.23 | 2.15 | 2.15 | 562 | NASDAQ | PSTX | Thu, Sep 5, 2013 | 2.19 | 2.24 | 2.15 | 2.16 | 561 | NASDAQ | PSTX | Wed, Sep 4, 2013 | 2.00 | 2.28 | 2.00 | 2.20 | 560 | NASDAQ | PSTX | Tue, Sep 3, 2013 | 1.95 | 2.01 | 1.92 | 2.00 | 559 | NASDAQ | PSTX | Fri, Aug 30, 2013 | 2.00 | 2.04 | 1.83 | 2.00 | 558 | NASDAQ | PSTX | Thu, Aug 29, 2013 | 1.95 | 2.05 | 1.91 | 2.05 | 557 | NASDAQ | PSTX | Wed, Aug 28, 2013 | 1.95 | 1.98 | 1.90 | 1.95 | 556 | NASDAQ | PSTX | Tue, Aug 27, 2013 | 1.70 | 1.97 | 1.70 | 1.97 | 555 | NASDAQ | PSTX | Mon, Aug 26, 2013 | 2.07 | 2.07 | 1.51 | 1.73 | 554 | NASDAQ | PSTX | Fri, Aug 23, 2013 | 2.04 | 2.08 | 2.00 | 2.08 | 553 | NASDAQ | PSTX | Thu, Aug 22, 2013 | 2.07 | 2.07 | 2.00 | 2.04 | 552 | NASDAQ | PSTX | Wed, Aug 21, 2013 | 2.01 | 2.10 | 2.01 | 2.03 | 551 | NASDAQ | PSTX | Tue, Aug 20, 2013 | 2.08 | 2.09 | 2.05 | 2.05 | 550 | NASDAQ | PSTX | Mon, Aug 19, 2013 | 2.00 | 2.09 | 2.00 | 2.08 | 549 | NASDAQ | PSTX | Fri, Aug 16, 2013 | 2.15 | 2.15 | 2.00 | 2.01 | 548 | NASDAQ | PSTX | Thu, Aug 15, 2013 | 2.10 | 2.20 | 2.08 | 2.10 | 547 | NASDAQ | PSTX | Wed, Aug 14, 2013 | 2.01 | 2.05 | 1.98 | 2.05 | 546 | NASDAQ | PSTX | Tue, Aug 13, 2013 | 2.05 | 2.08 | 1.98 | 1.98 | 545 | NASDAQ | PSTX | Mon, Aug 12, 2013 | 2.17 | 2.20 | 2.05 | 2.05 | 544 | NASDAQ | PSTX | Fri, Aug 9, 2013 | 2.10 | 2.10 | 2.01 | 2.10 | 543 | NASDAQ | PSTX | Thu, Aug 8, 2013 | 2.10 | 2.10 | 2.04 | 2.04 | 542 | NASDAQ | PSTX | Wed, Aug 7, 2013 | 2.03 | 2.10 | 2.01 | 2.05 | 541 | NASDAQ | PSTX | Tue, Aug 6, 2013 | 2.14 | 2.14 | 2.01 | 2.10 | 540 | NASDAQ | PSTX | Mon, Aug 5, 2013 | 1.98 | 2.12 | 1.95 | 2.10 | 539 | NASDAQ | PSTX | Fri, Aug 2, 2013 | 1.92 | 1.95 | 1.90 | 1.91 | 538 | NASDAQ | PSTX | Thu, Aug 1, 2013 | 1.96 | 1.96 | 1.88 | 1.90 | 537 | NASDAQ | PSTX | Wed, Jul 31, 2013 | 2.13 | 2.13 | 1.96 | 1.96 | 536 | NASDAQ | PSTX | Tue, Jul 30, 2013 | 2.04 | 2.04 | 2.00 | 2.01 | 535 | NASDAQ | PSTX | Mon, Jul 29, 2013 | 2.05 | 2.05 | 2.01 | 2.04 | 534 | NASDAQ | PSTX | Fri, Jul 26, 2013 | 2.06 | 2.09 | 2.04 | 2.06 | 533 | NASDAQ | PSTX | Thu, Jul 25, 2013 | 1.97 | 2.02 | 1.97 | 2.02 | 532 | NASDAQ | PSTX | Wed, Jul 24, 2013 | 1.96 | 1.96 | 1.92 | 1.94 | 531 | NASDAQ | PSTX | Tue, Jul 23, 2013 | 2.12 | 2.14 | 1.92 | 1.96 | 530 | NASDAQ | PSTX | Mon, Jul 22, 2013 | 2.26 | 2.26 | 2.10 | 2.13 | 529 | NASDAQ | PSTX | Fri, Jul 19, 2013 | 2.25 | 2.28 | 2.24 | 2.26 | 528 | NASDAQ | PSTX | Thu, Jul 18, 2013 | 2.20 | 2.26 | 2.15 | 2.24 | 527 | NASDAQ | PSTX | Wed, Jul 17, 2013 | 2.13 | 2.25 | 2.09 | 2.15 | 526 | NASDAQ | PSTX | Tue, Jul 16, 2013 | 2.20 | 2.24 | 2.09 | 2.13 | 525 | NASDAQ | PSTX | Mon, Jul 15, 2013 | 2.07 | 2.36 | 2.07 | 2.17 | 524 | NASDAQ | PSTX | Fri, Jul 12, 2013 | 2.05 | 2.15 | 2.05 | 2.07 | 523 | NASDAQ | PSTX | Thu, Jul 11, 2013 | 2.14 | 2.15 | 2.00 | 2.08 | 522 | NASDAQ | PSTX | Wed, Jul 10, 2013 | 1.83 | 1.98 | 1.80 | 1.97 | 521 | NASDAQ | PSTX | Tue, Jul 9, 2013 | 1.80 | 1.85 | 1.80 | 1.82 | 520 | NASDAQ | PSTX | Mon, Jul 8, 2013 | 1.85 | 1.85 | 1.82 | 1.83 | 519 | NASDAQ | PSTX | Fri, Jul 5, 2013 | 1.75 | 1.84 | 1.75 | 1.75 | 518 | NASDAQ | PSTX | Wed, Jul 3, 2013 | 1.74 | 1.75 | 1.73 | 1.75 | 517 | NASDAQ | PSTX | Tue, Jul 2, 2013 | 1.71 | 1.75 | 1.67 | 1.70 | 516 | NASDAQ | PSTX | Mon, Jul 1, 2013 | 1.80 | 1.85 | 1.67 | 1.67 | 515 | NASDAQ | PSTX | Thu, Jun 27, 2013 | 1.70 | 1.75 | 1.70 | 1.75 | 514 | NASDAQ | PSTX | Wed, Jun 26, 2013 | 1.65 | 1.70 | 1.65 | 1.70 | 513 | NASDAQ | PSTX | Tue, Jun 25, 2013 | 1.60 | 1.63 | 1.60 | 1.63 | 512 | NASDAQ | PSTX | Mon, Jun 24, 2013 | 1.53 | 1.60 | 1.52 | 1.60 | 511 | NASDAQ | PSTX | Fri, Jun 21, 2013 | 1.50 | 1.59 | 1.48 | 1.50 | 510 | NASDAQ | PSTX | Thu, Jun 20, 2013 | 1.60 | 1.60 | 1.51 | 1.55 | 509 | NASDAQ | PSTX | Wed, Jun 19, 2013 | 1.54 | 1.54 | 1.50 | 1.50 | 508 | NASDAQ | PSTX | Tue, Jun 18, 2013 | 1.50 | 1.55 | 1.50 | 1.55 | 507 | NASDAQ | PSTX | Mon, Jun 17, 2013 | 1.50 | 1.56 | 1.50 | 1.55 | 506 | NASDAQ | PSTX | Fri, Jun 14, 2013 | 1.50 | 1.50 | 1.49 | 1.49 | 505 | NASDAQ | PSTX | Thu, Jun 13, 2013 | 1.50 | 1.51 | 1.49 | 1.50 | 504 | NASDAQ | PSTX | Wed, Jun 12, 2013 | 1.48 | 1.53 | 1.47 | 1.52 | 503 | NASDAQ | PSTX | Tue, Jun 11, 2013 | 1.50 | 1.50 | 1.45 | 1.45 | 502 | NASDAQ | PSTX | Mon, Jun 10, 2013 | 1.51 | 1.53 | 1.51 | 1.52 | 501 | NASDAQ | PSTX | Fri, Jun 7, 2013 | 1.41 | 1.53 | 1.40 | 1.47 | 500 | NASDAQ | PSTX | Thu, Jun 6, 2013 | 1.54 | 1.55 | 1.46 | 1.48 | 499 | NASDAQ | PSTX | Wed, Jun 5, 2013 | 1.48 | 1.48 | 1.45 | 1.45 | 498 | NASDAQ | PSTX | Tue, Jun 4, 2013 | 1.41 | 1.54 | 1.41 | 1.50 | 497 | NASDAQ | PSTX | Mon, Jun 3, 2013 | 1.42 | 1.50 | 1.41 | 1.50 | 496 | NASDAQ | PSTX | Fri, May 31, 2013 | 1.48 | 1.50 | 1.38 | 1.50 | 495 | NASDAQ | PSTX | Thu, May 30, 2013 | 1.58 | 1.58 | 1.37 | 1.46 | 494 | NASDAQ | PSTX | Wed, May 29, 2013 | 1.50 | 1.57 | 1.10 | 1.44 | 493 | NASDAQ | PSTX | Tue, May 28, 2013 | 1.60 | 1.60 | 1.41 | 1.50 | 492 | NASDAQ | PSTX | Fri, May 24, 2013 | 1.52 | 1.60 | 1.40 | 1.40 | 491 | NASDAQ | PSTX | Thu, May 23, 2013 | 1.48 | 1.52 | 1.45 | 1.48 | 490 | NASDAQ | PSTX | Wed, May 22, 2013 | 1.53 | 1.53 | 1.50 | 1.51 | 489 | NASDAQ | PSTX | Tue, May 21, 2013 | 1.58 | 1.58 | 1.53 | 1.53 | 488 | NASDAQ | PSTX | Mon, May 20, 2013 | 1.60 | 1.60 | 1.55 | 1.58 | 487 | NASDAQ | PSTX | Fri, May 17, 2013 | 1.51 | 1.65 | 1.51 | 1.62 | 486 | NASDAQ | PSTX | Thu, May 16, 2013 | 1.65 | 1.69 | 1.60 | 1.62 | 485 | NASDAQ | PSTX | Wed, May 15, 2013 | 1.51 | 1.65 | 1.51 | 1.65 | 484 | NASDAQ | PSTX | Tue, May 14, 2013 | 1.58 | 1.59 | 1.55 | 1.56 | 483 | NASDAQ | PSTX | Mon, May 13, 2013 | 1.56 | 1.56 | 1.56 | 1.56 | 482 | NASDAQ | PSTX | Fri, May 10, 2013 | 1.60 | 1.60 | 1.55 | 1.55 | 481 | NASDAQ | PSTX | Thu, May 9, 2013 | 1.55 | 1.58 | 1.55 | 1.55 | 480 | NASDAQ | PSTX | Wed, May 8, 2013 | 1.55 | 1.61 | 1.55 | 1.56 | 479 | NASDAQ | PSTX | Tue, May 7, 2013 | 1.62 | 1.62 | 1.59 | 1.59 | 478 | NASDAQ | PSTX | Mon, May 6, 2013 | 1.69 | 1.71 | 1.59 | 1.59 | 477 | NASDAQ | PSTX | Fri, May 3, 2013 | 1.60 | 1.60 | 1.59 | 1.59 | 476 | NASDAQ | PSTX | Thu, May 2, 2013 | 1.58 | 1.67 | 1.58 | 1.60 | 475 | NASDAQ | PSTX | Wed, May 1, 2013 | 1.58 | 1.65 | 1.55 | 1.65 | 474 | NASDAQ | PSTX | Tue, Apr 30, 2013 | 1.60 | 1.60 | 1.54 | 1.58 | 473 | NASDAQ | PSTX | Mon, Apr 29, 2013 | 1.59 | 1.60 | 1.47 | 1.50 | 472 | NASDAQ | PSTX | Fri, Apr 26, 2013 | 1.50 | 1.58 | 1.45 | 1.57 | 471 | NASDAQ | PSTX | Thu, Apr 25, 2013 | 1.52 | 1.55 | 1.50 | 1.50 | 470 | NASDAQ | PSTX | Wed, Apr 24, 2013 | 1.54 | 1.58 | 1.46 | 1.57 | 469 | NASDAQ | PSTX | Tue, Apr 23, 2013 | 1.55 | 1.55 | 1.55 | 1.55 | 468 | NASDAQ | PSTX | Mon, Apr 22, 2013 | 1.55 | 1.62 | 1.55 | 1.62 | 467 | NASDAQ | PSTX | Fri, Apr 19, 2013 | 1.51 | 1.56 | 1.50 | 1.55 | 466 | NASDAQ | PSTX | Thu, Apr 18, 2013 | 1.53 | 1.53 | 1.50 | 1.50 | 465 | NASDAQ | PSTX | Wed, Apr 17, 2013 | 1.53 | 1.55 | 1.51 | 1.53 | 464 | NASDAQ | PSTX | Tue, Apr 16, 2013 | 1.55 | 1.55 | 1.55 | 1.55 | 463 | NASDAQ | PSTX | Mon, Apr 15, 2013 | 1.57 | 1.57 | 1.50 | 1.50 | 462 | NASDAQ | PSTX | Fri, Apr 12, 2013 | 1.55 | 1.55 | 1.50 | 1.50 | 461 | NASDAQ | PSTX | Thu, Apr 11, 2013 | 1.51 | 1.55 | 1.50 | 1.55 | 460 | NASDAQ | PSTX | Wed, Apr 10, 2013 | 1.50 | 1.51 | 1.50 | 1.51 | 459 | NASDAQ | PSTX | Tue, Apr 9, 2013 | 1.46 | 1.54 | 1.46 | 1.54 | 458 | NASDAQ | PSTX | Mon, Apr 8, 2013 | 1.55 | 1.55 | 1.45 | 1.50 | 457 | NASDAQ | PSTX | Fri, Apr 5, 2013 | 1.57 | 1.70 | 1.50 | 1.53 | 456 | NASDAQ | PSTX | Thu, Apr 4, 2013 | 1.68 | 1.68 | 1.55 | 1.67 | 455 | NASDAQ | PSTX | Wed, Apr 3, 2013 | 1.72 | 1.72 | 1.50 | 1.68 | 454 | NASDAQ | PSTX | Tue, Apr 2, 2013 | 1.72 | 1.75 | 1.69 | 1.70 | 453 | NASDAQ | PSTX | Mon, Apr 1, 2013 | 1.70 | 1.75 | 1.70 | 1.75 | 452 | NASDAQ | PSTX | Thu, Mar 28, 2013 | 1.75 | 1.85 | 1.69 | 1.70 | 451 | NASDAQ | PSTX | Wed, Mar 27, 2013 | 1.62 | 1.69 | 1.60 | 1.69 | 450 | NASDAQ | PSTX | Tue, Mar 26, 2013 | 1.64 | 1.65 | 1.62 | 1.62 | 449 | NASDAQ | PSTX | Mon, Mar 25, 2013 | 1.67 | 1.67 | 1.62 | 1.62 | 448 | NASDAQ | PSTX | Fri, Mar 22, 2013 | 1.52 | 1.65 | 1.52 | 1.62 | 447 | NASDAQ | PSTX | Thu, Mar 21, 2013 | 1.63 | 1.70 | 1.61 | 1.61 | 446 | NASDAQ | PSTX | Wed, Mar 20, 2013 | 1.65 | 1.65 | 1.62 | 1.65 | 445 | NASDAQ | PSTX | Tue, Mar 19, 2013 | 1.72 | 1.72 | 1.55 | 1.60 | 444 | NASDAQ | PSTX | Mon, Mar 18, 2013 | 1.70 | 1.72 | 1.60 | 1.72 | 443 | NASDAQ | PSTX | Fri, Mar 15, 2013 | 1.61 | 1.67 | 1.60 | 1.62 | 442 | NASDAQ | PSTX | Thu, Mar 14, 2013 | 1.69 | 1.71 | 1.55 | 1.71 | 441 | NASDAQ | PSTX | Wed, Mar 13, 2013 | 1.70 | 1.71 | 1.60 | 1.68 | 440 | NASDAQ | PSTX | Tue, Mar 12, 2013 | 1.56 | 1.72 | 1.54 | 1.71 | 439 | NASDAQ | PSTX | Mon, Mar 11, 2013 | 1.65 | 1.67 | 1.55 | 1.55 | 438 | NASDAQ | PSTX | Fri, Mar 8, 2013 | 1.70 | 1.70 | 1.60 | 1.65 | 437 | NASDAQ | PSTX | Thu, Mar 7, 2013 | 1.50 | 1.60 | 1.41 | 1.58 | 436 | NASDAQ | PSTX | Wed, Mar 6, 2013 | 1.58 | 1.58 | 1.50 | 1.51 | 435 | NASDAQ | PSTX | Tue, Mar 5, 2013 | 1.66 | 1.68 | 1.56 | 1.59 | 434 | NASDAQ | PSTX | Mon, Mar 4, 2013 | 1.65 | 1.71 | 1.56 | 1.68 | 433 | NASDAQ | PSTX | Fri, Mar 1, 2013 | 1.73 | 1.73 | 1.62 | 1.62 | 432 | NASDAQ | PSTX | Thu, Feb 28, 2013 | 1.65 | 1.74 | 1.65 | 1.72 | 431 | NASDAQ | PSTX | Wed, Feb 27, 2013 | 1.62 | 1.70 | 1.41 | 1.60 | 430 | NASDAQ | PSTX | Tue, Feb 26, 2013 | 1.75 | 1.77 | 1.52 | 1.65 | 429 | NASDAQ | PSTX | Mon, Feb 25, 2013 | 1.70 | 1.79 | 1.70 | 1.74 | 428 | NASDAQ | PSTX | Fri, Feb 22, 2013 | 1.70 | 1.78 | 1.70 | 1.75 | 427 | NASDAQ | PSTX | Thu, Feb 21, 2013 | 1.75 | 1.77 | 1.64 | 1.75 | 426 | NASDAQ | PSTX | Wed, Feb 20, 2013 | 1.77 | 1.78 | 1.70 | 1.78 | 425 | NASDAQ | PSTX | Tue, Feb 19, 2013 | 1.78 | 1.78 | 1.75 | 1.77 | 424 | NASDAQ | PSTX | Fri, Feb 15, 2013 | 1.78 | 1.78 | 1.75 | 1.77 | 423 | NASDAQ | PSTX | Thu, Feb 14, 2013 | 1.79 | 1.79 | 1.76 | 1.79 | 422 | NASDAQ | PSTX | Wed, Feb 13, 2013 | 1.77 | 1.79 | 1.76 | 1.78 | 421 | NASDAQ | PSTX | Tue, Feb 12, 2013 | 1.79 | 1.80 | 1.76 | 1.78 | 420 | NASDAQ | PSTX | Mon, Feb 11, 2013 | 1.78 | 1.79 | 1.78 | 1.79 | 419 | NASDAQ | PSTX | Fri, Feb 8, 2013 | 1.80 | 1.80 | 1.77 | 1.77 | 418 | NASDAQ | PSTX | Thu, Feb 7, 2013 | 1.79 | 1.79 | 1.76 | 1.79 | 417 | NASDAQ | PSTX | Wed, Feb 6, 2013 | 1.75 | 1.80 | 1.73 | 1.79 | 416 | NASDAQ | PSTX | Tue, Feb 5, 2013 | 1.73 | 1.73 | 1.72 | 1.73 | 415 | NASDAQ | PSTX | Mon, Feb 4, 2013 | 1.70 | 1.75 | 1.70 | 1.70 | 414 | NASDAQ | PSTX | Fri, Feb 1, 2013 | 1.83 | 1.83 | 1.70 | 1.75 | 413 | NASDAQ | PSTX | Thu, Jan 31, 2013 | 1.83 | 1.83 | 1.72 | 1.81 | 412 | NASDAQ | PSTX | Wed, Jan 30, 2013 | 1.72 | 1.83 | 1.72 | 1.83 | 411 | NASDAQ | PSTX | Tue, Jan 29, 2013 | 1.80 | 1.80 | 1.72 | 1.73 | 410 | NASDAQ | PSTX | Mon, Jan 28, 2013 | 1.80 | 1.80 | 1.75 | 1.80 | 409 | NASDAQ | PSTX | Fri, Jan 25, 2013 | 1.85 | 1.85 | 1.80 | 1.81 | 408 | NASDAQ | PSTX | Thu, Jan 24, 2013 | 1.74 | 1.85 | 1.74 | 1.82 | 407 | NASDAQ | PSTX | Wed, Jan 23, 2013 | 1.75 | 1.85 | 1.73 | 1.73 | 406 | NASDAQ | PSTX | Tue, Jan 22, 2013 | 1.78 | 1.81 | 1.73 | 1.74 | 405 | NASDAQ | PSTX | Fri, Jan 18, 2013 | 1.85 | 1.85 | 1.72 | 1.81 | 404 | NASDAQ | PSTX | Thu, Jan 17, 2013 | 1.83 | 1.86 | 1.81 | 1.81 | 403 | NASDAQ | PSTX | Wed, Jan 16, 2013 | 1.85 | 1.85 | 1.75 | 1.80 | 402 | NASDAQ | PSTX | Tue, Jan 15, 2013 | 1.85 | 1.85 | 1.70 | 1.84 | 401 | NASDAQ | PSTX | Mon, Jan 14, 2013 | 1.85 | 1.85 | 1.79 | 1.80 | 400 | NASDAQ | PSTX | Fri, Jan 11, 2013 | 1.85 | 1.85 | 1.79 | 1.79 | 399 | NASDAQ | PSTX | Thu, Jan 10, 2013 | 1.85 | 1.86 | 1.75 | 1.85 | 398 | NASDAQ | PSTX | Wed, Jan 9, 2013 | 1.84 | 1.85 | 1.81 | 1.85 | 397 | NASDAQ | PSTX | Tue, Jan 8, 2013 | 1.85 | 1.86 | 1.81 | 1.82 | 396 | NASDAQ | PSTX | Mon, Jan 7, 2013 | 1.83 | 1.86 | 1.81 | 1.85 | 395 | NASDAQ | PSTX | Fri, Jan 4, 2013 | 1.85 | 1.86 | 1.80 | 1.80 | 394 | NASDAQ | PSTX | Thu, Jan 3, 2013 | 1.82 | 1.85 | 1.82 | 1.85 | 393 | NASDAQ | PSTX | Wed, Jan 2, 2013 | 1.85 | 1.86 | 1.75 | 1.82 | 392 | NASDAQ | PSTX | Mon, Dec 31, 2012 | 1.85 | 1.86 | 1.65 | 1.65 | 391 | NASDAQ | PSTX | Fri, Dec 28, 2012 | 1.85 | 1.85 | 1.51 | 1.82 | 390 | NASDAQ | PSTX | Thu, Dec 27, 2012 | 1.85 | 1.85 | 1.66 | 1.81 | 389 | NASDAQ | PSTX | Wed, Dec 26, 2012 | 1.84 | 1.86 | 1.81 | 1.83 | 388 | NASDAQ | PSTX | Mon, Dec 24, 2012 | 1.85 | 1.86 | 1.85 | 1.85 | 387 | NASDAQ | PSTX | Fri, Dec 21, 2012 | 1.83 | 1.85 | 1.80 | 1.85 | 386 | NASDAQ | PSTX | Thu, Dec 20, 2012 | 1.70 | 1.85 | 1.70 | 1.85 | 385 | NASDAQ | PSTX | Wed, Dec 19, 2012 | 1.60 | 1.70 | 1.58 | 1.70 | 384 | NASDAQ | PSTX | Tue, Dec 18, 2012 | 1.70 | 1.70 | 1.56 | 1.68 | 383 | NASDAQ | PSTX | Mon, Dec 17, 2012 | 1.71 | 1.77 | 1.68 | 1.68 | 382 | NASDAQ | PSTX | Fri, Dec 14, 2012 | 1.77 | 1.80 | 1.71 | 1.72 | 381 | NASDAQ | PSTX | Thu, Dec 13, 2012 | 1.79 | 1.80 | 1.77 | 1.79 | 380 | NASDAQ | PSTX | Wed, Dec 12, 2012 | 1.77 | 1.78 | 1.77 | 1.78 | 379 | NASDAQ | PSTX | Tue, Dec 11, 2012 | 1.78 | 1.79 | 1.65 | 1.77 | 378 | NASDAQ | PSTX | Mon, Dec 10, 2012 | 1.80 | 1.85 | 1.65 | 1.78 | 377 | NASDAQ | PSTX | Fri, Dec 7, 2012 | 1.79 | 1.79 | 1.69 | 1.78 | 376 | NASDAQ | PSTX | Thu, Dec 6, 2012 | 1.68 | 1.74 | 1.58 | 1.74 | 375 | NASDAQ | PSTX | Wed, Dec 5, 2012 | 1.74 | 1.74 | 1.65 | 1.68 | 374 | NASDAQ | PSTX | Tue, Dec 4, 2012 | 1.65 | 1.70 | 1.65 | 1.70 | 373 | NASDAQ | PSTX | Mon, Dec 3, 2012 | 1.61 | 1.64 | 1.56 | 1.64 | 372 | NASDAQ | PSTX | Fri, Nov 30, 2012 | 1.59 | 1.61 | 1.59 | 1.61 | 371 | NASDAQ | PSTX | Thu, Nov 29, 2012 | 1.60 | 1.60 | 1.57 | 1.57 | 370 | NASDAQ | PSTX | Wed, Nov 28, 2012 | 1.60 | 1.60 | 1.58 | 1.58 | 369 | NASDAQ | PSTX | Tue, Nov 27, 2012 | 1.64 | 1.64 | 1.56 | 1.58 | 368 | NASDAQ | PSTX | Mon, Nov 26, 2012 | 1.60 | 1.60 | 1.59 | 1.60 | 367 | NASDAQ | PSTX | Fri, Nov 23, 2012 | 1.63 | 1.63 | 1.63 | 1.63 | 366 | NASDAQ | PSTX | Wed, Nov 21, 2012 | 1.57 | 1.68 | 1.57 | 1.65 | 365 | NASDAQ | PSTX | Tue, Nov 20, 2012 | 1.60 | 1.60 | 1.56 | 1.60 | 364 | NASDAQ | PSTX | Mon, Nov 19, 2012 | 1.63 | 1.63 | 1.60 | 1.60 | 363 | NASDAQ | PSTX | Fri, Nov 16, 2012 | 1.61 | 1.63 | 1.61 | 1.63 | 362 | NASDAQ | PSTX | Thu, Nov 15, 2012 | 1.63 | 1.67 | 1.59 | 1.60 | 361 | NASDAQ | PSTX | Wed, Nov 14, 2012 | 1.68 | 1.68 | 1.63 | 1.68 | 360 | NASDAQ | PSTX | Tue, Nov 13, 2012 | 1.70 | 1.70 | 1.68 | 1.68 | 359 | NASDAQ | PSTX | Mon, Nov 12, 2012 | 1.65 | 1.69 | 1.65 | 1.66 | 358 | NASDAQ | PSTX | Fri, Nov 9, 2012 | 1.68 | 1.68 | 1.61 | 1.61 | 357 | NASDAQ | PSTX | Thu, Nov 8, 2012 | 1.65 | 1.72 | 1.63 | 1.66 | 356 | NASDAQ | PSTX | Wed, Nov 7, 2012 | 1.68 | 1.77 | 1.65 | 1.73 | 355 | NASDAQ | PSTX | Tue, Nov 6, 2012 | 1.77 | 1.77 | 1.77 | 1.77 | 354 | NASDAQ | PSTX | Mon, Nov 5, 2012 | 1.80 | 1.80 | 1.68 | 1.78 | 353 | NASDAQ | PSTX | Fri, Nov 2, 2012 | 1.68 | 1.79 | 1.68 | 1.79 | 352 | NASDAQ | PSTX | Thu, Nov 1, 2012 | 1.75 | 1.79 | 1.70 | 1.79 | 351 | NASDAQ | PSTX | Wed, Oct 31, 2012 | 1.70 | 1.75 | 1.70 | 1.70 | 350 | NASDAQ | PSTX | Fri, Oct 26, 2012 | 1.80 | 1.82 | 1.71 | 1.80 | 349 | NASDAQ | PSTX | Thu, Oct 25, 2012 | 1.84 | 1.84 | 1.78 | 1.80 | 348 | NASDAQ | PSTX | Wed, Oct 24, 2012 | 1.65 | 1.83 | 1.64 | 1.80 | 347 | NASDAQ | PSTX | Tue, Oct 23, 2012 | 1.65 | 1.70 | 1.65 | 1.68 | 346 | NASDAQ | PSTX | Mon, Oct 22, 2012 | 1.70 | 1.70 | 1.64 | 1.70 | 345 | NASDAQ | PSTX | Fri, Oct 19, 2012 | 1.68 | 1.69 | 1.67 | 1.69 | 344 | NASDAQ | PSTX | Thu, Oct 18, 2012 | 1.68 | 1.69 | 1.68 | 1.69 | 343 | NASDAQ | PSTX | Wed, Oct 17, 2012 | 1.69 | 1.69 | 1.67 | 1.68 | 342 | NASDAQ | PSTX | Tue, Oct 16, 2012 | 1.69 | 1.70 | 1.69 | 1.69 | 341 | NASDAQ | PSTX | Mon, Oct 15, 2012 | 1.69 | 1.73 | 1.69 | 1.69 | 340 | NASDAQ | PSTX | Fri, Oct 12, 2012 | 1.74 | 1.74 | 1.74 | 1.74 | 339 | NASDAQ | PSTX | Thu, Oct 11, 2012 | 1.75 | 1.75 | 1.60 | 1.73 | 338 | NASDAQ | PSTX | Wed, Oct 10, 2012 | 1.84 | 1.85 | 1.75 | 1.75 | 337 | NASDAQ | PSTX | Tue, Oct 9, 2012 | 1.84 | 1.84 | 1.77 | 1.81 | 336 | NASDAQ | PSTX | Mon, Oct 8, 2012 | 1.75 | 1.84 | 1.71 | 1.77 | 335 | NASDAQ | PSTX | Fri, Oct 5, 2012 | 1.80 | 1.84 | 1.77 | 1.84 | 334 | NASDAQ | PSTX | Thu, Oct 4, 2012 | 1.79 | 1.84 | 1.77 | 1.80 | 333 | NASDAQ | PSTX | Wed, Oct 3, 2012 | 1.77 | 1.79 | 1.76 | 1.79 | 332 | NASDAQ | PSTX | Tue, Oct 2, 2012 | 1.78 | 1.79 | 1.71 | 1.79 | 331 | NASDAQ | PSTX | Mon, Oct 1, 2012 | 1.74 | 1.79 | 1.70 | 1.79 | 330 | NASDAQ | PSTX | Fri, Sep 28, 2012 | 1.65 | 1.80 | 1.64 | 1.73 | 329 | NASDAQ | PSTX | Thu, Sep 27, 2012 | 1.72 | 1.72 | 1.65 | 1.70 | 328 | NASDAQ | PSTX | Wed, Sep 26, 2012 | 1.71 | 1.71 | 1.66 | 1.70 | 327 | NASDAQ | PSTX | Tue, Sep 25, 2012 | 1.70 | 1.73 | 1.65 | 1.72 | 326 | NASDAQ | PSTX | Mon, Sep 24, 2012 | 1.72 | 1.73 | 1.67 | 1.70 | 325 | NASDAQ | PSTX | Fri, Sep 21, 2012 | 1.74 | 1.74 | 1.69 | 1.70 | 324 | NASDAQ | PSTX | Thu, Sep 20, 2012 | 1.74 | 1.75 | 1.68 | 1.74 | 323 | NASDAQ | PSTX | Wed, Sep 19, 2012 | 1.74 | 1.78 | 1.65 | 1.74 | 322 | NASDAQ | PSTX | Tue, Sep 18, 2012 | 1.74 | 1.75 | 1.70 | 1.75 | 321 | NASDAQ | PSTX | Mon, Sep 17, 2012 | 1.79 | 1.79 | 1.67 | 1.75 | 320 | NASDAQ | PSTX | Fri, Sep 14, 2012 | 1.78 | 1.78 | 1.68 | 1.75 | 319 | NASDAQ | PSTX | Thu, Sep 13, 2012 | 1.80 | 1.80 | 1.80 | 1.80 | 318 | NASDAQ | PSTX | Wed, Sep 12, 2012 | 1.75 | 1.78 | 1.75 | 1.78 | 317 | NASDAQ | PSTX | Tue, Sep 11, 2012 | 1.92 | 1.92 | 1.68 | 1.78 | 316 | NASDAQ | PSTX | Mon, Sep 10, 2012 | 1.84 | 1.84 | 1.69 | 1.69 | 315 | NASDAQ | PSTX | Fri, Sep 7, 2012 | 1.75 | 1.80 | 1.75 | 1.80 | 314 | NASDAQ | PSTX | Thu, Sep 6, 2012 | 1.85 | 1.85 | 1.75 | 1.80 | 313 | NASDAQ | PSTX | Wed, Sep 5, 2012 | 1.86 | 1.86 | 1.76 | 1.83 | 312 | NASDAQ | PSTX | Tue, Sep 4, 2012 | 1.95 | 1.98 | 1.82 | 1.84 | 311 | NASDAQ | PSTX | Fri, Aug 31, 2012 | 1.67 | 1.84 | 1.67 | 1.82 | 310 | NASDAQ | PSTX | Thu, Aug 30, 2012 | 1.67 | 1.70 | 1.67 | 1.70 | 309 | NASDAQ | PSTX | Wed, Aug 29, 2012 | 1.71 | 1.71 | 1.67 | 1.68 | 308 | NASDAQ | PSTX | Tue, Aug 28, 2012 | 1.70 | 1.72 | 1.67 | 1.67 | 307 | NASDAQ | PSTX | Mon, Aug 27, 2012 | 1.69 | 1.71 | 1.69 | 1.70 | 306 | NASDAQ | PSTX | Fri, Aug 24, 2012 | 1.68 | 1.69 | 1.66 | 1.66 | 305 | NASDAQ | PSTX | Thu, Aug 23, 2012 | 1.66 | 1.70 | 1.66 | 1.70 | 304 | NASDAQ | PSTX | Wed, Aug 22, 2012 | 1.70 | 1.70 | 1.70 | 1.70 | 303 | NASDAQ | PSTX | Tue, Aug 21, 2012 | 1.66 | 1.66 | 1.66 | 1.66 | 302 | NASDAQ | PSTX | Mon, Aug 20, 2012 | 1.68 | 1.68 | 1.66 | 1.66 | 301 | NASDAQ | PSTX | Fri, Aug 17, 2012 | 1.73 | 1.73 | 1.68 | 1.68 | 300 | NASDAQ | PSTX | Thu, Aug 16, 2012 | 1.66 | 1.68 | 1.66 | 1.68 | 299 | NASDAQ | PSTX | Wed, Aug 15, 2012 | 1.68 | 1.68 | 1.68 | 1.68 | 298 | NASDAQ | PSTX | Tue, Aug 14, 2012 | 1.75 | 1.75 | 1.68 | 1.68 | 297 | NASDAQ | PSTX | Mon, Aug 13, 2012 | 1.70 | 1.73 | 1.70 | 1.73 | 296 | NASDAQ | PSTX | Fri, Aug 10, 2012 | 1.75 | 1.80 | 1.70 | 1.75 | 295 | NASDAQ | PSTX | Thu, Aug 9, 2012 | 1.75 | 1.75 | 1.62 | 1.74 | 294 | NASDAQ | PSTX | Wed, Aug 8, 2012 | 1.75 | 1.75 | 1.55 | 1.60 | 293 | NASDAQ | PSTX | Tue, Aug 7, 2012 | 1.76 | 1.76 | 1.65 | 1.75 | 292 | NASDAQ | PSTX | Mon, Aug 6, 2012 | 1.68 | 1.76 | 1.68 | 1.76 | 291 | NASDAQ | PSTX | Fri, Aug 3, 2012 | 1.65 | 1.75 | 1.63 | 1.70 | 290 | NASDAQ | PSTX | Thu, Aug 2, 2012 | 1.62 | 1.65 | 1.62 | 1.65 | 289 | NASDAQ | PSTX | Wed, Aug 1, 2012 | 1.65 | 1.65 | 1.60 | 1.63 | 288 | NASDAQ | PSTX | Tue, Jul 31, 2012 | 1.70 | 1.70 | 1.62 | 1.65 | 287 | NASDAQ | PSTX | Mon, Jul 30, 2012 | 1.55 | 1.61 | 1.55 | 1.61 | 286 | NASDAQ | PSTX | Fri, Jul 27, 2012 | 1.69 | 1.69 | 1.69 | 1.69 | 285 | NASDAQ | PSTX | Thu, Jul 26, 2012 | 1.61 | 1.70 | 1.60 | 1.65 | 284 | NASDAQ | PSTX | Wed, Jul 25, 2012 | 1.63 | 1.65 | 1.62 | 1.63 | 283 | NASDAQ | PSTX | Tue, Jul 24, 2012 | 1.63 | 1.66 | 1.62 | 1.66 | 282 | NASDAQ | PSTX | Mon, Jul 23, 2012 | 1.63 | 1.65 | 1.61 | 1.65 | 281 | NASDAQ | PSTX | Fri, Jul 20, 2012 | 1.63 | 1.68 | 1.63 | 1.68 | 280 | NASDAQ | PSTX | Thu, Jul 19, 2012 | 1.65 | 1.75 | 1.60 | 1.62 | 279 | NASDAQ | PSTX | Wed, Jul 18, 2012 | 1.64 | 1.74 | 1.60 | 1.74 | 278 | NASDAQ | PSTX | Tue, Jul 17, 2012 | 1.63 | 1.68 | 1.61 | 1.68 | 277 | NASDAQ | PSTX | Mon, Jul 16, 2012 | 1.65 | 1.69 | 1.61 | 1.69 | 276 | NASDAQ | PSTX | Fri, Jul 13, 2012 | 1.65 | 1.65 | 1.60 | 1.60 | 275 | NASDAQ | PSTX | Thu, Jul 12, 2012 | 1.61 | 1.65 | 1.60 | 1.65 | 274 | NASDAQ | PSTX | Wed, Jul 11, 2012 | 1.73 | 1.73 | 1.61 | 1.67 | 273 | NASDAQ | PSTX | Tue, Jul 10, 2012 | 1.65 | 1.73 | 1.60 | 1.73 | 272 | NASDAQ | PSTX | Mon, Jul 9, 2012 | 1.76 | 1.76 | 1.65 | 1.75 | 271 | NASDAQ | PSTX | Fri, Jul 6, 2012 | 1.75 | 1.75 | 1.58 | 1.75 | 270 | NASDAQ | PSTX | Thu, Jul 5, 2012 | 1.65 | 1.70 | 1.45 | 1.70 | 269 | NASDAQ | PSTX | Tue, Jul 3, 2012 | 1.69 | 1.69 | 1.67 | 1.67 | 268 | NASDAQ | PSTX | Mon, Jul 2, 2012 | 1.70 | 1.70 | 1.69 | 1.69 | 267 | NASDAQ | PSTX | Fri, Jun 29, 2012 | 1.72 | 1.78 | 1.66 | 1.73 | 266 | NASDAQ | PSTX | Thu, Jun 28, 2012 | 1.79 | 1.79 | 1.72 | 1.72 | 265 | NASDAQ | PSTX | Wed, Jun 27, 2012 | 1.70 | 1.79 | 1.70 | 1.79 | 264 | NASDAQ | PSTX | Tue, Jun 26, 2012 | 1.74 | 1.80 | 1.70 | 1.70 | 263 | NASDAQ | PSTX | Mon, Jun 25, 2012 | 1.75 | 1.75 | 1.74 | 1.74 | 262 | NASDAQ | PSTX | Fri, Jun 22, 2012 | 1.84 | 1.85 | 1.84 | 1.84 | 261 | NASDAQ | PSTX | Thu, Jun 21, 2012 | 1.85 | 1.85 | 1.80 | 1.80 | 260 | NASDAQ | PSTX | Wed, Jun 20, 2012 | 1.87 | 1.87 | 1.80 | 1.85 | 259 | NASDAQ | PSTX | Tue, Jun 19, 2012 | 1.88 | 1.88 | 1.82 | 1.86 | 258 | NASDAQ | PSTX | Mon, Jun 18, 2012 | 1.77 | 1.88 | 1.77 | 1.80 | 257 | NASDAQ | PSTX | Fri, Jun 15, 2012 | 1.85 | 1.88 | 1.75 | 1.75 | 256 | NASDAQ | PSTX | Thu, Jun 14, 2012 | 1.80 | 1.89 | 1.75 | 1.85 | 255 | NASDAQ | PSTX | Wed, Jun 13, 2012 | 1.73 | 1.78 | 1.73 | 1.78 | 254 | NASDAQ | PSTX | Tue, Jun 12, 2012 | 1.70 | 1.74 | 1.70 | 1.74 | 253 | NASDAQ | PSTX | Mon, Jun 11, 2012 | 1.75 | 1.75 | 1.68 | 1.74 | 252 | NASDAQ | PSTX | Fri, Jun 8, 2012 | 1.75 | 1.75 | 1.58 | 1.75 | 251 | NASDAQ | PSTX | Thu, Jun 7, 2012 | 1.73 | 1.75 | 1.60 | 1.75 | 250 | NASDAQ | PSTX | Wed, Jun 6, 2012 | 1.69 | 1.70 | 1.69 | 1.70 | 249 | NASDAQ | PSTX | Tue, Jun 5, 2012 | 1.70 | 1.73 | 1.62 | 1.73 | 248 | NASDAQ | PSTX | Mon, Jun 4, 2012 | 1.65 | 1.70 | 1.65 | 1.70 | 247 | NASDAQ | PSTX | Fri, Jun 1, 2012 | 1.60 | 1.60 | 1.55 | 1.60 | 246 | NASDAQ | PSTX | Thu, May 31, 2012 | 1.70 | 1.75 | 1.55 | 1.75 | 245 | NASDAQ | PSTX | Wed, May 30, 2012 | 1.79 | 1.79 | 1.60 | 1.65 | 244 | NASDAQ | PSTX | Tue, May 29, 2012 | 1.75 | 1.79 | 1.60 | 1.70 | 243 | NASDAQ | PSTX | Fri, May 25, 2012 | 1.55 | 1.65 | 1.52 | 1.60 | 242 | NASDAQ | PSTX | Thu, May 24, 2012 | 1.52 | 1.60 | 1.52 | 1.58 | 241 | NASDAQ | PSTX | Wed, May 23, 2012 | 1.58 | 1.65 | 1.55 | 1.60 | 240 | NASDAQ | PSTX | Tue, May 22, 2012 | 1.69 | 1.75 | 1.59 | 1.60 | 239 | NASDAQ | PSTX | Mon, May 21, 2012 | 1.69 | 1.69 | 1.55 | 1.69 | 238 | NASDAQ | PSTX | Fri, May 18, 2012 | 1.51 | 1.67 | 1.35 | 1.55 | 237 | NASDAQ | PSTX | Thu, May 17, 2012 | 1.72 | 1.72 | 1.51 | 1.65 | 236 | NASDAQ | PSTX | Wed, May 16, 2012 | 1.75 | 1.75 | 1.60 | 1.69 | 235 | NASDAQ | PSTX | Tue, May 15, 2012 | 1.74 | 1.74 | 1.50 | 1.58 | 234 | NASDAQ | PSTX | Mon, May 14, 2012 | 1.60 | 1.72 | 1.60 | 1.70 | 233 | NASDAQ | PSTX | Fri, May 11, 2012 | 1.50 | 1.60 | 1.50 | 1.60 | 232 | NASDAQ | PSTX | Thu, May 10, 2012 | 1.65 | 1.65 | 1.51 | 1.51 | 231 | NASDAQ | PSTX | Wed, May 9, 2012 | 1.51 | 1.57 | 1.51 | 1.57 | 230 | NASDAQ | PSTX | Tue, May 8, 2012 | 1.55 | 1.55 | 1.54 | 1.54 | 229 | NASDAQ | PSTX | Mon, May 7, 2012 | 1.57 | 1.57 | 1.57 | 1.57 | 228 | NASDAQ | PSTX | Fri, May 4, 2012 | 1.57 | 1.72 | 1.57 | 1.65 | 227 | NASDAQ | PSTX | Thu, May 3, 2012 | 1.75 | 1.75 | 1.65 | 1.70 | 226 | NASDAQ | PSTX | Wed, May 2, 2012 | 1.64 | 1.75 | 1.55 | 1.70 | 225 | NASDAQ | PSTX | Tue, May 1, 2012 | 1.57 | 1.65 | 1.54 | 1.63 | 224 | NASDAQ | PSTX | Mon, Apr 30, 2012 | 1.50 | 1.57 | 1.50 | 1.55 | 223 | NASDAQ | PSTX | Fri, Apr 27, 2012 | 1.45 | 1.45 | 1.40 | 1.45 | 222 | NASDAQ | PSTX | Thu, Apr 26, 2012 | 1.40 | 1.50 | 1.40 | 1.40 | 221 | NASDAQ | PSTX | Wed, Apr 25, 2012 | 1.50 | 1.50 | 1.35 | 1.40 | 220 | NASDAQ | PSTX | Tue, Apr 24, 2012 | 1.50 | 1.50 | 1.45 | 1.45 | 219 | NASDAQ | PSTX | Mon, Apr 23, 2012 | 1.35 | 1.40 | 1.35 | 1.40 | 218 | NASDAQ | PSTX | Fri, Apr 20, 2012 | 1.45 | 1.50 | 1.30 | 1.50 | 217 | NASDAQ | PSTX | Thu, Apr 19, 2012 | 1.46 | 1.47 | 1.41 | 1.45 | 216 | NASDAQ | PSTX | Wed, Apr 18, 2012 | 1.45 | 1.46 | 1.41 | 1.43 | 215 | NASDAQ | PSTX | Tue, Apr 17, 2012 | 1.50 | 1.55 | 1.42 | 1.45 | 214 | NASDAQ | PSTX | Mon, Apr 16, 2012 | 1.50 | 1.50 | 1.45 | 1.50 | 213 | NASDAQ | PSTX | Fri, Apr 13, 2012 | 1.55 | 1.55 | 1.51 | 1.55 | 212 | NASDAQ | PSTX | Thu, Apr 12, 2012 | 1.56 | 1.63 | 1.55 | 1.63 | 211 | NASDAQ | PSTX | Wed, Apr 11, 2012 | 1.65 | 1.65 | 1.50 | 1.55 | 210 | NASDAQ | PSTX | Tue, Apr 10, 2012 | 1.55 | 1.55 | 1.45 | 1.53 | 209 | NASDAQ | PSTX | Mon, Apr 9, 2012 | 1.65 | 1.65 | 1.55 | 1.65 | 208 | NASDAQ | PSTX | Thu, Apr 5, 2012 | 1.60 | 1.69 | 1.55 | 1.65 | 207 | NASDAQ | PSTX | Wed, Apr 4, 2012 | 1.70 | 1.70 | 1.57 | 1.60 | 206 | NASDAQ | PSTX | Tue, Apr 3, 2012 | 1.69 | 1.70 | 1.60 | 1.70 | 205 | NASDAQ | PSTX | Mon, Apr 2, 2012 | 1.45 | 1.57 | 1.45 | 1.57 | 204 | NASDAQ | PSTX | Fri, Mar 30, 2012 | 1.50 | 1.50 | 1.43 | 1.50 | 203 | NASDAQ | PSTX | Thu, Mar 29, 2012 | 1.46 | 1.55 | 1.35 | 1.50 | 202 | NASDAQ | PSTX | Wed, Mar 28, 2012 | 1.48 | 1.50 | 1.40 | 1.40 | 201 | NASDAQ | PSTX | Tue, Mar 27, 2012 | 1.49 | 1.58 | 1.44 | 1.47 | 200 | NASDAQ | PSTX | Mon, Mar 26, 2012 | 1.35 | 1.47 | 1.35 | 1.45 | 199 | NASDAQ | PSTX | Fri, Mar 23, 2012 | 1.40 | 1.45 | 1.32 | 1.31 | 198 | NASDAQ | PSTX | Thu, Mar 22, 2012 | 1.48 | 1.70 | 1.40 | 1.45 | 197 | NASDAQ | PSTX | Wed, Mar 21, 2012 | 1.37 | 1.56 | 1.37 | 1.47 | 196 | NASDAQ | PSTX | Tue, Mar 20, 2012 | 1.26 | 1.34 | 1.23 | 1.34 | 195 | NASDAQ | PSTX | Mon, Mar 19, 2012 | 1.25 | 1.27 | 1.24 | 1.25 | 194 | NASDAQ | PSTX | Fri, Mar 16, 2012 | 1.25 | 1.27 | 1.23 | 1.24 | 193 | NASDAQ | PSTX | Thu, Mar 15, 2012 | 1.25 | 1.28 | 1.17 | 1.27 | 192 | NASDAQ | PSTX | Wed, Mar 14, 2012 | 1.23 | 1.27 | 1.20 | 1.25 | 191 | NASDAQ | PSTX | Tue, Mar 13, 2012 | 1.20 | 1.25 | 1.20 | 1.24 | 190 | NASDAQ | PSTX | Mon, Mar 12, 2012 | 1.25 | 1.25 | 1.18 | 1.20 | 189 | NASDAQ | PSTX | Fri, Mar 9, 2012 | 1.22 | 1.25 | 1.20 | 1.23 | 188 | NASDAQ | PSTX | Thu, Mar 8, 2012 | 1.20 | 1.21 | 1.20 | 1.20 | 187 | NASDAQ | PSTX | Wed, Mar 7, 2012 | 1.22 | 1.22 | 1.20 | 1.22 | 186 | NASDAQ | PSTX | Tue, Mar 6, 2012 | 1.18 | 1.22 | 1.15 | 1.22 | 185 | NASDAQ | PSTX | Mon, Mar 5, 2012 | 1.14 | 1.15 | 1.14 | 1.15 | 184 | NASDAQ | PSTX | Fri, Mar 2, 2012 | 1.24 | 1.25 | 1.12 | 1.25 | 183 | NASDAQ | PSTX | Thu, Mar 1, 2012 | 1.14 | 1.27 | 1.10 | 1.20 | 182 | NASDAQ | PSTX | Wed, Feb 29, 2012 | 1.20 | 1.20 | 1.06 | 1.14 | 181 | NASDAQ | PSTX | Tue, Feb 28, 2012 | 1.22 | 1.22 | 1.20 | 1.20 | 180 | NASDAQ | PSTX | Mon, Feb 27, 2012 | 1.22 | 1.22 | 1.12 | 1.20 | 179 | NASDAQ | PSTX | Fri, Feb 24, 2012 | 1.20 | 1.20 | 1.10 | 1.10 | 178 | NASDAQ | PSTX | Thu, Feb 23, 2012 | 1.15 | 1.20 | 1.15 | 1.20 | 177 | NASDAQ | PSTX | Wed, Feb 22, 2012 | 1.12 | 1.14 | 1.12 | 1.14 | 176 | NASDAQ | PSTX | Tue, Feb 21, 2012 | 1.10 | 1.12 | 1.05 | 1.10 | 175 | NASDAQ | PSTX | Fri, Feb 17, 2012 | 1.21 | 1.21 | 1.05 | 1.15 | 174 | NASDAQ | PSTX | Thu, Feb 16, 2012 | 1.25 | 1.25 | 1.09 | 1.10 | 173 | NASDAQ | PSTX | Wed, Feb 15, 2012 | 1.25 | 1.26 | 1.25 | 1.26 | 172 | NASDAQ | PSTX | Tue, Feb 14, 2012 | 1.25 | 1.25 | 1.23 | 1.25 | 171 | NASDAQ | PSTX | Mon, Feb 13, 2012 | 1.25 | 1.30 | 1.25 | 1.25 | 170 | NASDAQ | PSTX | Fri, Feb 10, 2012 | 1.25 | 1.28 | 1.24 | 1.28 | 169 | NASDAQ | PSTX | Thu, Feb 9, 2012 | 1.20 | 1.25 | 1.18 | 1.25 | 168 | NASDAQ | PSTX | Wed, Feb 8, 2012 | 1.20 | 1.25 | 1.20 | 1.25 | 167 | NASDAQ | PSTX | Tue, Feb 7, 2012 | 1.20 | 1.20 | 1.08 | 1.20 | 166 | NASDAQ | PSTX | Mon, Feb 6, 2012 | 1.15 | 1.15 | 1.10 | 1.14 | 165 | NASDAQ | PSTX | Fri, Feb 3, 2012 | 1.15 | 1.20 | 1.15 | 1.19 | 164 | NASDAQ | PSTX | Thu, Feb 2, 2012 | 1.20 | 1.20 | 1.15 | 1.15 | 163 | NASDAQ | PSTX | Wed, Feb 1, 2012 | 1.20 | 1.20 | 1.15 | 1.15 | 162 | NASDAQ | PSTX | Tue, Jan 31, 2012 | 1.20 | 1.24 | 1.15 | 1.23 | 161 | NASDAQ | PSTX | Mon, Jan 30, 2012 | 1.25 | 1.25 | 1.15 | 1.20 | 160 | NASDAQ | PSTX | Fri, Jan 27, 2012 | 1.25 | 1.30 | 1.25 | 1.25 | 159 | NASDAQ | PSTX | Thu, Jan 26, 2012 | 1.25 | 1.25 | 1.25 | 1.25 | 158 | NASDAQ | PSTX | Wed, Jan 25, 2012 | 1.25 | 1.25 | 1.25 | 1.25 | 157 | NASDAQ | PSTX | Tue, Jan 24, 2012 | 1.25 | 1.25 | 1.15 | 1.25 | 156 | NASDAQ | PSTX | Mon, Jan 23, 2012 | 1.23 | 1.25 | 1.23 | 1.25 | 155 | NASDAQ | PSTX | Fri, Jan 20, 2012 | 1.20 | 1.25 | 1.20 | 1.25 | 154 | NASDAQ | PSTX | Thu, Jan 19, 2012 | 1.25 | 1.25 | 1.25 | 1.25 | 153 | NASDAQ | PSTX | Wed, Jan 18, 2012 | 1.15 | 1.25 | 1.15 | 1.25 | 152 | NASDAQ | PSTX | Tue, Jan 17, 2012 | 1.15 | 1.20 | 1.15 | 1.20 | 151 | NASDAQ | PSTX | Fri, Jan 13, 2012 | 1.25 | 1.25 | 1.25 | 1.25 | 150 | NASDAQ | PSTX | Thu, Jan 12, 2012 | 1.25 | 1.25 | 1.16 | 1.25 | 149 | NASDAQ | PSTX | Wed, Jan 11, 2012 | 1.28 | 1.28 | 1.25 | 1.25 | 148 | NASDAQ | PSTX | Tue, Jan 10, 2012 | 1.19 | 1.25 | 1.19 | 1.25 | 147 | NASDAQ | PSTX | Mon, Jan 9, 2012 | 1.25 | 1.25 | 1.16 | 1.19 | 146 | NASDAQ | PSTX | Fri, Jan 6, 2012 | 1.25 | 1.25 | 1.20 | 1.20 | 145 | NASDAQ | PSTX | Thu, Jan 5, 2012 | 1.30 | 1.30 | 1.25 | 1.25 | 144 | NASDAQ | PSTX | Wed, Jan 4, 2012 | 1.30 | 1.30 | 1.30 | 1.30 | 143 | NASDAQ | PSTX | Tue, Jan 3, 2012 | 1.30 | 1.30 | 1.30 | 1.30 | 142 | NASDAQ | PSTX | Fri, Dec 30, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 141 | NASDAQ | PSTX | Thu, Dec 29, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 140 | NASDAQ | PSTX | Wed, Dec 28, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 139 | NASDAQ | PSTX | Tue, Dec 27, 2011 | 1.20 | 1.25 | 1.20 | 1.25 | 138 | NASDAQ | PSTX | Fri, Dec 23, 2011 | 1.24 | 1.30 | 1.24 | 1.30 | 137 | NASDAQ | PSTX | Thu, Dec 22, 2011 | 1.19 | 1.19 | 1.19 | 1.19 | 136 | NASDAQ | PSTX | Wed, Dec 21, 2011 | 1.16 | 1.16 | 1.16 | 1.16 | 135 | NASDAQ | PSTX | Tue, Dec 20, 2011 | 1.14 | 1.15 | 1.14 | 1.15 | 134 | NASDAQ | PSTX | Fri, Dec 16, 2011 | 1.12 | 1.20 | 1.10 | 1.20 | 133 | NASDAQ | PSTX | Wed, Dec 14, 2011 | 1.01 | 1.12 | 1.00 | 1.12 | 132 | NASDAQ | PSTX | Tue, Dec 13, 2011 | 1.12 | 1.12 | 1.12 | 1.12 | 131 | NASDAQ | PSTX | Mon, Dec 12, 2011 | 1.30 | 1.30 | 0.97 | 1.12 | 130 | NASDAQ | PSTX | Fri, Dec 9, 2011 | 1.40 | 1.40 | 1.40 | 1.40 | 129 | NASDAQ | PSTX | Wed, Dec 7, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 128 | NASDAQ | PSTX | Tue, Dec 6, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 127 | NASDAQ | PSTX | Fri, Dec 2, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 126 | NASDAQ | PSTX | Thu, Dec 1, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 125 | NASDAQ | PSTX | Wed, Nov 30, 2011 | 1.33 | 1.40 | 1.20 | 1.30 | 124 | NASDAQ | PSTX | Tue, Nov 29, 2011 | 1.26 | 1.26 | 1.26 | 1.26 | 123 | NASDAQ | PSTX | Mon, Nov 28, 2011 | 1.25 | 1.33 | 1.25 | 1.33 | 122 | NASDAQ | PSTX | Fri, Nov 25, 2011 | 1.21 | 1.21 | 1.21 | 1.21 | 121 | NASDAQ | PSTX | Wed, Nov 23, 2011 | 1.30 | 1.30 | 1.21 | 1.30 | 120 | NASDAQ | PSTX | Tue, Nov 22, 2011 | 1.34 | 1.35 | 1.26 | 1.26 | 119 | NASDAQ | PSTX | Mon, Nov 21, 2011 | 1.30 | 1.40 | 1.25 | 1.30 | 118 | NASDAQ | PSTX | Fri, Nov 18, 2011 | 1.30 | 1.35 | 1.30 | 1.35 | 117 | NASDAQ | PSTX | Thu, Nov 17, 2011 | 1.30 | 1.40 | 1.25 | 1.30 | 116 | NASDAQ | PSTX | Wed, Nov 16, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 115 | NASDAQ | PSTX | Tue, Nov 15, 2011 | 1.25 | 1.25 | 1.20 | 1.20 | 114 | NASDAQ | PSTX | Mon, Nov 14, 2011 | 1.30 | 1.30 | 1.29 | 1.30 | 113 | NASDAQ | PSTX | Fri, Nov 11, 2011 | 1.40 | 1.40 | 1.39 | 1.39 | 112 | NASDAQ | PSTX | Thu, Nov 10, 2011 | 1.35 | 1.40 | 1.30 | 1.40 | 111 | NASDAQ | PSTX | Wed, Nov 9, 2011 | 1.31 | 1.31 | 1.31 | 1.31 | 110 | NASDAQ | PSTX | Tue, Nov 8, 2011 | 1.25 | 1.32 | 1.25 | 1.30 | 109 | NASDAQ | PSTX | Mon, Nov 7, 2011 | 1.22 | 1.22 | 1.22 | 1.22 | 108 | NASDAQ | PSTX | Fri, Nov 4, 2011 | 1.20 | 1.20 | 1.20 | 1.20 | 107 | NASDAQ | PSTX | Thu, Nov 3, 2011 | 1.35 | 1.45 | 1.20 | 1.20 | 106 | NASDAQ | PSTX | Wed, Nov 2, 2011 | 1.30 | 1.30 | 1.20 | 1.20 | 105 | NASDAQ | PSTX | Tue, Nov 1, 2011 | 1.35 | 1.35 | 1.35 | 1.35 | 104 | NASDAQ | PSTX | Mon, Oct 31, 2011 | 1.30 | 1.35 | 1.20 | 1.34 | 103 | NASDAQ | PSTX | Fri, Oct 28, 2011 | 1.25 | 1.30 | 1.20 | 1.30 | 102 | NASDAQ | PSTX | Thu, Oct 27, 2011 | 1.25 | 1.35 | 1.10 | 1.35 | 101 | NASDAQ | PSTX | Wed, Oct 26, 2011 | 1.38 | 1.38 | 1.35 | 1.35 | 100 | NASDAQ | PSTX | Tue, Oct 25, 2011 | 1.45 | 1.45 | 1.38 | 1.38 | 99 | NASDAQ | PSTX | Mon, Oct 24, 2011 | 1.45 | 1.45 | 1.38 | 1.38 | 98 | NASDAQ | PSTX | Fri, Oct 21, 2011 | 1.35 | 1.35 | 1.35 | 1.35 | 97 | NASDAQ | PSTX | Thu, Oct 20, 2011 | 1.40 | 1.40 | 1.30 | 1.40 | 96 | NASDAQ | PSTX | Wed, Oct 19, 2011 | 1.38 | 1.40 | 1.30 | 1.30 | 95 | NASDAQ | PSTX | Tue, Oct 18, 2011 | 1.37 | 1.38 | 1.30 | 1.31 | 94 | NASDAQ | PSTX | Mon, Oct 17, 2011 | 1.30 | 1.30 | 1.25 | 1.25 | 93 | NASDAQ | PSTX | Fri, Oct 14, 2011 | 1.30 | 1.40 | 1.30 | 1.40 | 92 | NASDAQ | PSTX | Thu, Oct 13, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 91 | NASDAQ | PSTX | Wed, Oct 12, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 90 | NASDAQ | PSTX | Tue, Oct 11, 2011 | 1.11 | 1.11 | 1.11 | 1.11 | 89 | NASDAQ | PSTX | Mon, Oct 10, 2011 | 1.32 | 1.40 | 1.10 | 1.40 | 88 | NASDAQ | PSTX | Fri, Oct 7, 2011 | 1.37 | 1.41 | 1.25 | 1.41 | 87 | NASDAQ | PSTX | Thu, Oct 6, 2011 | 1.31 | 1.41 | 1.31 | 1.41 | 86 | NASDAQ | PSTX | Wed, Oct 5, 2011 | 1.32 | 1.32 | 1.32 | 1.32 | 85 | NASDAQ | PSTX | Tue, Oct 4, 2011 | 1.39 | 1.39 | 1.32 | 1.32 | 84 | NASDAQ | PSTX | Mon, Oct 3, 2011 | 1.40 | 1.40 | 1.40 | 1.40 | 83 | NASDAQ | PSTX | Fri, Sep 30, 2011 | 1.45 | 1.50 | 1.40 | 1.46 | 82 | NASDAQ | PSTX | Thu, Sep 29, 2011 | 1.05 | 1.45 | 1.03 | 1.40 | 81 | NASDAQ | PSTX | Wed, Sep 28, 2011 | 1.04 | 1.04 | 1.01 | 1.01 | 80 | NASDAQ | PSTX | Tue, Sep 27, 2011 | 1.05 | 1.10 | 0.92 | 1.02 | 79 | NASDAQ | PSTX | Mon, Sep 26, 2011 | 1.05 | 1.05 | 1.00 | 1.05 | 78 | NASDAQ | PSTX | Fri, Sep 23, 2011 | 0.91 | 0.91 | 0.91 | 0.91 | 77 | NASDAQ | PSTX | Tue, Sep 20, 2011 | 1.05 | 1.05 | 0.95 | 0.95 | 76 | NASDAQ | PSTX | Mon, Sep 19, 2011 | 0.95 | 0.95 | 0.95 | 0.95 | 75 | NASDAQ | PSTX | Fri, Sep 16, 2011 | 0.91 | 0.91 | 0.91 | 0.91 | 74 | NASDAQ | PSTX | Thu, Sep 15, 2011 | 0.82 | 0.91 | 0.82 | 0.88 | 73 | NASDAQ | PSTX | Tue, Sep 13, 2011 | 0.90 | 0.90 | 0.90 | 0.90 | 72 | NASDAQ | PSTX | Mon, Sep 12, 2011 | 0.90 | 0.90 | 0.90 | 0.90 | 71 | NASDAQ | PSTX | Fri, Sep 9, 2011 | 0.90 | 0.92 | 0.90 | 0.90 | 70 | NASDAQ | PSTX | Wed, Sep 7, 2011 | 0.91 | 0.95 | 0.90 | 0.95 | 69 | NASDAQ | PSTX | Tue, Sep 6, 2011 | 0.93 | 0.93 | 0.90 | 0.91 | 68 | NASDAQ | PSTX | Fri, Sep 2, 2011 | 0.91 | 0.95 | 0.90 | 0.90 | 67 | NASDAQ | PSTX | Thu, Sep 1, 2011 | 0.90 | 1.04 | 0.90 | 1.04 | 66 | NASDAQ | PSTX | Wed, Aug 31, 2011 | 0.95 | 0.95 | 0.95 | 0.95 | 65 | NASDAQ | PSTX | Tue, Aug 30, 2011 | 0.95 | 0.95 | 0.95 | 0.95 | 64 | NASDAQ | PSTX | Mon, Aug 29, 2011 | 0.97 | 0.97 | 0.97 | 0.97 | 63 | NASDAQ | PSTX | Fri, Aug 26, 2011 | 1.00 | 1.00 | 1.00 | 1.00 | 62 | NASDAQ | PSTX | Tue, Aug 23, 2011 | 1.04 | 1.04 | 1.04 | 1.04 | 61 | NASDAQ | PSTX | Mon, Aug 22, 2011 | 1.00 | 1.00 | 1.00 | 1.00 | 60 | NASDAQ | PSTX | Fri, Aug 19, 2011 | 0.99 | 1.00 | 0.99 | 1.00 | 59 | NASDAQ | PSTX | Thu, Aug 18, 2011 | 0.99 | 0.99 | 0.99 | 0.99 | 58 | NASDAQ | PSTX | Wed, Aug 17, 2011 | 1.00 | 1.00 | 1.00 | 1.00 | 57 | NASDAQ | PSTX | Tue, Aug 16, 2011 | 1.00 | 1.00 | 1.00 | 1.00 | 56 | NASDAQ | PSTX | Mon, Aug 15, 2011 | 1.08 | 1.08 | 1.00 | 1.00 | 55 | NASDAQ | PSTX | Fri, Aug 12, 2011 | 1.06 | 1.06 | 1.06 | 1.06 | 54 | NASDAQ | PSTX | Thu, Aug 11, 2011 | 1.07 | 1.09 | 1.06 | 1.06 | 53 | NASDAQ | PSTX | Wed, Aug 10, 2011 | 0.99 | 1.09 | 0.99 | 1.09 | 52 | NASDAQ | PSTX | Tue, Aug 9, 2011 | 1.05 | 1.10 | 0.97 | 1.03 | 51 | NASDAQ | PSTX | Mon, Aug 8, 2011 | 1.07 | 1.11 | 0.95 | 0.96 | 50 | NASDAQ | PSTX | Fri, Aug 5, 2011 | 1.11 | 1.11 | 1.07 | 1.07 | 49 | NASDAQ | PSTX | Thu, Aug 4, 2011 | 1.28 | 1.28 | 1.13 | 1.13 | 48 | NASDAQ | PSTX | Wed, Aug 3, 2011 | 1.10 | 1.10 | 1.08 | 1.08 | 47 | NASDAQ | PSTX | Tue, Aug 2, 2011 | 1.20 | 1.23 | 1.10 | 1.10 | 46 | NASDAQ | PSTX | Mon, Aug 1, 2011 | 1.10 | 1.25 | 1.10 | 1.10 | 45 | NASDAQ | PSTX | Thu, Jul 28, 2011 | 1.06 | 1.15 | 1.06 | 1.10 | 44 | NASDAQ | PSTX | Wed, Jul 27, 2011 | 1.20 | 1.20 | 1.16 | 1.16 | 43 | NASDAQ | PSTX | Tue, Jul 26, 2011 | 1.20 | 1.20 | 1.20 | 1.20 | 42 | NASDAQ | PSTX | Mon, Jul 25, 2011 | 1.10 | 1.28 | 1.10 | 1.24 | 41 | NASDAQ | PSTX | Fri, Jul 22, 2011 | 1.24 | 1.24 | 1.24 | 1.24 | 40 | NASDAQ | PSTX | Thu, Jul 21, 2011 | 1.24 | 1.30 | 1.24 | 1.24 | 39 | NASDAQ | PSTX | Wed, Jul 20, 2011 | 1.28 | 1.28 | 1.24 | 1.24 | 38 | NASDAQ | PSTX | Tue, Jul 19, 2011 | 1.28 | 1.28 | 1.28 | 1.28 | 37 | NASDAQ | PSTX | Mon, Jul 18, 2011 | 1.35 | 1.35 | 1.24 | 1.24 | 36 | NASDAQ | PSTX | Fri, Jul 15, 2011 | 1.40 | 1.45 | 1.16 | 1.35 | 35 | NASDAQ | PSTX | Thu, Jul 14, 2011 | 1.45 | 1.45 | 1.35 | 1.35 | 34 | NASDAQ | PSTX | Wed, Jul 13, 2011 | 1.35 | 1.35 | 1.35 | 1.35 | 33 | NASDAQ | PSTX | Tue, Jul 12, 2011 | 1.30 | 1.45 | 1.30 | 1.35 | 32 | NASDAQ | PSTX | Mon, Jul 11, 2011 | 1.35 | 1.35 | 1.33 | 1.33 | 31 | NASDAQ | PSTX | Fri, Jul 8, 2011 | 1.38 | 1.45 | 1.36 | 1.36 | 30 | NASDAQ | PSTX | Thu, Jul 7, 2011 | 1.33 | 1.34 | 1.30 | 1.34 | 29 | NASDAQ | PSTX | Wed, Jul 6, 2011 | 1.38 | 1.38 | 1.35 | 1.35 | 28 | NASDAQ | PSTX | Tue, Jul 5, 2011 | 1.40 | 1.40 | 1.38 | 1.38 | 27 | NASDAQ | PSTX | Fri, Jul 1, 2011 | 1.37 | 1.45 | 1.37 | 1.45 | 26 | NASDAQ | PSTX | Thu, Jun 30, 2011 | 1.45 | 1.45 | 1.41 | 1.45 | 25 | NASDAQ | PSTX | Wed, Jun 29, 2011 | 1.50 | 1.50 | 1.45 | 1.45 | 24 | NASDAQ | PSTX | Tue, Jun 28, 2011 | 1.39 | 1.49 | 1.39 | 1.40 | 23 | NASDAQ | PSTX | Mon, Jun 27, 2011 | 1.40 | 1.49 | 1.30 | 1.45 | 22 | NASDAQ | PSTX | Thu, Jun 23, 2011 | 1.30 | 1.49 | 1.30 | 1.40 | 21 | NASDAQ | PSTX | Wed, Jun 22, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 20 | NASDAQ | PSTX | Tue, Jun 21, 2011 | 1.30 | 1.30 | 1.30 | 1.30 | 19 | NASDAQ | PSTX | Fri, Jun 17, 2011 | 1.30 | 1.35 | 1.30 | 1.30 | 18 | NASDAQ | PSTX | Thu, Jun 16, 2011 | 1.15 | 1.37 | 1.05 | 1.37 | 17 | NASDAQ | PSTX | Wed, Jun 15, 2011 | 1.45 | 1.45 | 1.37 | 1.37 | 16 | NASDAQ | PSTX | Tue, Jun 14, 2011 | 1.30 | 1.48 | 1.29 | 1.48 | 15 | NASDAQ | PSTX | Mon, Jun 13, 2011 | 1.24 | 1.38 | 1.24 | 1.38 | 14 | NASDAQ | PSTX | Fri, Jun 10, 2011 | 1.16 | 1.25 | 1.10 | 1.20 | 13 | NASDAQ | PSTX | Thu, Jun 9, 2011 | 1.15 | 1.25 | 1.15 | 1.20 | 12 | NASDAQ | PSTX | Wed, Jun 8, 2011 | 1.17 | 1.17 | 1.10 | 1.10 | 11 | NASDAQ | PSTX | Tue, Jun 7, 2011 | 1.10 | 1.20 | 1.10 | 1.20 | 10 | NASDAQ | PSTX | Mon, Jun 6, 2011 | 1.15 | 1.15 | 1.15 | 1.15 | 9 | NASDAQ | PSTX | Fri, Jun 3, 2011 | 1.18 | 1.18 | 1.15 | 1.15 | 8 | NASDAQ | PSTX | Thu, Jun 2, 2011 | 1.20 | 1.20 | 1.20 | 1.20 | 7 | NASDAQ | PSTX | Wed, Jun 1, 2011 | 1.16 | 1.20 | 1.15 | 1.20 | 6 | NASDAQ | PSTX | Tue, May 31, 2011 | 1.15 | 1.18 | 1.14 | 1.16 | 5 | NASDAQ | PSTX | Fri, May 27, 2011 | 1.08 | 1.15 | 1.08 | 1.15 | 4 | NASDAQ | PSTX | Thu, May 26, 2011 | 1.07 | 1.08 | 1.05 | 1.05 | 3 | NASDAQ | PSTX | Wed, May 25, 2011 | 1.12 | 1.12 | 1.05 | 1.06 | 2 | NASDAQ | PSTX | Tue, May 24, 2011 | 1.17 | 1.17 | 1.10 | 1.15 | 1 | NASDAQ | PSTX | Mon, May 23, 2011 | 1.18 | 1.18 | 1.18 | 1.18 |
---|---|---|---|---|---|---|---|
# | Exchange | Symbol | Date | Open | High | Low | Close |
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