Alphatec Holdings Inc NASDAQ:ATEC Historical Prices

Below are the 4475 trading days of historical prices for ATEC.

#	Exchange	Symbol	Date	Open	High	Low	Close
4475	NASDAQ	ATEC	Thu, Mar 21, 2024	13.94	14.20	13.71	13.73
4474	NASDAQ	ATEC	Wed, Mar 20, 2024	14.65	14.88	13.63	13.78
4473	NASDAQ	ATEC	Tue, Mar 19, 2024	13.49	14.27	13.24	14.15
4472	NASDAQ	ATEC	Mon, Mar 18, 2024	13.12	13.82	12.85	13.51
4471	NASDAQ	ATEC	Fri, Mar 15, 2024	13.24	13.44	13.03	13.09
4470	NASDAQ	ATEC	Thu, Mar 14, 2024	13.83	13.87	13.24	13.35
4469	NASDAQ	ATEC	Wed, Mar 13, 2024	13.45	13.87	13.39	13.79
4468	NASDAQ	ATEC	Tue, Mar 12, 2024	13.15	13.42	13.04	13.33
4467	NASDAQ	ATEC	Mon, Mar 11, 2024	12.98	13.16	12.83	13.16
4466	NASDAQ	ATEC	Fri, Mar 8, 2024	12.98	13.18	12.72	12.80
4465	NASDAQ	ATEC	Thu, Mar 7, 2024	13.15	13.23	12.71	12.89
4464	NASDAQ	ATEC	Wed, Mar 6, 2024	12.79	13.30	12.79	13.02
4463	NASDAQ	ATEC	Tue, Mar 5, 2024	13.40	13.54	13.09	13.18
4462	NASDAQ	ATEC	Mon, Mar 4, 2024	13.60	13.64	13.23	13.49
4461	NASDAQ	ATEC	Fri, Mar 1, 2024	13.46	13.64	13.10	13.42
4460	NASDAQ	ATEC	Thu, Feb 29, 2024	14.21	14.22	13.23	13.43
4459	NASDAQ	ATEC	Wed, Feb 28, 2024	14.46	15.01	13.50	13.98
4458	NASDAQ	ATEC	Tue, Feb 27, 2024	15.14	15.41	14.93	15.34
4457	NASDAQ	ATEC	Mon, Feb 26, 2024	15.12	15.18	14.93	15.09
4456	NASDAQ	ATEC	Fri, Feb 23, 2024	15.16	15.69	14.88	15.27
4455	NASDAQ	ATEC	Thu, Feb 22, 2024	15.40	15.51	15.25	15.39
4454	NASDAQ	ATEC	Wed, Feb 21, 2024	15.24	15.47	15.13	15.37
4453	NASDAQ	ATEC	Tue, Feb 20, 2024	15.22	15.43	14.97	15.40
4452	NASDAQ	ATEC	Fri, Feb 16, 2024	15.46	15.98	15.19	15.52
4451	NASDAQ	ATEC	Thu, Feb 15, 2024	15.96	16.20	15.57	15.64
4450	NASDAQ	ATEC	Wed, Feb 14, 2024	16.16	16.23	15.60	15.79
4449	NASDAQ	ATEC	Tue, Feb 13, 2024	15.65	16.25	15.28	15.97
4448	NASDAQ	ATEC	Mon, Feb 12, 2024	16.73	16.84	16.30	16.38
4447	NASDAQ	ATEC	Fri, Feb 9, 2024	17.00	17.34	16.73	16.78
4446	NASDAQ	ATEC	Thu, Feb 8, 2024	16.35	16.66	16.14	16.65
4445	NASDAQ	ATEC	Wed, Feb 7, 2024	16.68	16.74	16.30	16.30
4444	NASDAQ	ATEC	Tue, Feb 6, 2024	16.38	16.68	16.25	16.60
4443	NASDAQ	ATEC	Mon, Feb 5, 2024	16.41	16.64	16.34	16.35
4442	NASDAQ	ATEC	Fri, Feb 2, 2024	16.48	16.80	16.28	16.62
4441	NASDAQ	ATEC	Thu, Feb 1, 2024	16.24	16.84	16.20	16.68
4440	NASDAQ	ATEC	Wed, Jan 31, 2024	16.33	16.74	16.07	16.09
4439	NASDAQ	ATEC	Tue, Jan 30, 2024	16.68	16.81	16.17	16.34
4438	NASDAQ	ATEC	Mon, Jan 29, 2024	16.30	16.72	16.15	16.67
4437	NASDAQ	ATEC	Fri, Jan 26, 2024	16.24	16.32	16.00	16.25
4436	NASDAQ	ATEC	Thu, Jan 25, 2024	16.19	16.34	16.01	16.13
4435	NASDAQ	ATEC	Wed, Jan 24, 2024	16.28	16.35	15.88	15.90
4434	NASDAQ	ATEC	Tue, Jan 23, 2024	16.08	16.08	15.58	16.00
4433	NASDAQ	ATEC	Mon, Jan 22, 2024	15.70	16.18	15.70	15.91
4432	NASDAQ	ATEC	Fri, Jan 19, 2024	15.35	15.52	15.12	15.44
4431	NASDAQ	ATEC	Thu, Jan 18, 2024	15.28	15.40	15.01	15.28
4430	NASDAQ	ATEC	Wed, Jan 17, 2024	14.79	15.16	14.68	15.11
4429	NASDAQ	ATEC	Tue, Jan 16, 2024	14.77	15.22	14.57	15.05
4428	NASDAQ	ATEC	Fri, Jan 12, 2024	15.10	15.45	14.84	14.94
4427	NASDAQ	ATEC	Thu, Jan 11, 2024	14.93	15.11	14.79	14.95
4426	NASDAQ	ATEC	Wed, Jan 10, 2024	14.78	15.00	14.52	14.97
4425	NASDAQ	ATEC	Tue, Jan 9, 2024	14.72	15.13	14.60	14.77
4424	NASDAQ	ATEC	Mon, Jan 8, 2024	14.12	15.16	14.07	14.99
4423	NASDAQ	ATEC	Fri, Jan 5, 2024	13.92	14.10	13.62	13.74
4422	NASDAQ	ATEC	Thu, Jan 4, 2024	14.10	14.38	13.98	14.09
4421	NASDAQ	ATEC	Wed, Jan 3, 2024	14.65	14.65	13.99	14.11
4420	NASDAQ	ATEC	Tue, Jan 2, 2024	14.82	15.05	14.57	14.85
4419	NASDAQ	ATEC	Fri, Dec 29, 2023	15.26	15.47	15.07	15.11
4418	NASDAQ	ATEC	Thu, Dec 28, 2023	15.27	15.48	15.12	15.36
4417	NASDAQ	ATEC	Wed, Dec 27, 2023	15.35	15.42	15.11	15.31
4416	NASDAQ	ATEC	Tue, Dec 26, 2023	15.14	15.39	14.97	15.34
4415	NASDAQ	ATEC	Fri, Dec 22, 2023	15.14	15.24	14.83	15.09
4414	NASDAQ	ATEC	Thu, Dec 21, 2023	14.75	15.04	14.65	15.03
4413	NASDAQ	ATEC	Wed, Dec 20, 2023	14.41	14.87	14.29	14.50
4412	NASDAQ	ATEC	Tue, Dec 19, 2023	13.94	14.50	13.49	14.46
4411	NASDAQ	ATEC	Mon, Dec 18, 2023	13.36	13.84	13.22	13.55
4410	NASDAQ	ATEC	Fri, Dec 15, 2023	13.98	14.01	13.33	13.43
4409	NASDAQ	ATEC	Thu, Dec 14, 2023	13.60	14.38	13.46	13.91
4408	NASDAQ	ATEC	Wed, Dec 13, 2023	12.60	13.47	12.55	13.40
4407	NASDAQ	ATEC	Tue, Dec 12, 2023	12.64	12.69	12.40	12.61
4406	NASDAQ	ATEC	Mon, Dec 11, 2023	12.74	12.77	12.49	12.66
4405	NASDAQ	ATEC	Fri, Dec 8, 2023	12.46	12.87	12.45	12.71
4404	NASDAQ	ATEC	Thu, Dec 7, 2023	12.51	12.66	12.34	12.57
4403	NASDAQ	ATEC	Wed, Dec 6, 2023	12.93	13.01	12.47	12.52
4402	NASDAQ	ATEC	Tue, Dec 5, 2023	12.64	12.95	12.45	12.81
4401	NASDAQ	ATEC	Mon, Dec 4, 2023	12.51	12.85	12.49	12.75
4400	NASDAQ	ATEC	Fri, Dec 1, 2023	11.80	12.63	11.69	12.58
4399	NASDAQ	ATEC	Thu, Nov 30, 2023	12.00	12.16	11.78	11.87
4398	NASDAQ	ATEC	Wed, Nov 29, 2023	11.83	12.23	11.76	11.94
4397	NASDAQ	ATEC	Tue, Nov 28, 2023	11.88	11.97	11.46	11.71
4396	NASDAQ	ATEC	Mon, Nov 27, 2023	11.83	12.00	11.81	11.95
4395	NASDAQ	ATEC	Fri, Nov 24, 2023	11.72	11.98	11.72	11.87
4394	NASDAQ	ATEC	Wed, Nov 22, 2023	11.64	11.96	11.55	11.78
4393	NASDAQ	ATEC	Tue, Nov 21, 2023	11.34	11.49	10.97	11.46
4392	NASDAQ	ATEC	Mon, Nov 20, 2023	11.05	11.51	11.02	11.37
4391	NASDAQ	ATEC	Fri, Nov 17, 2023	11.48	11.65	10.91	11.00
4390	NASDAQ	ATEC	Thu, Nov 16, 2023	11.21	11.40	10.99	11.38
4389	NASDAQ	ATEC	Wed, Nov 15, 2023	10.62	11.28	10.62	11.20
4388	NASDAQ	ATEC	Tue, Nov 14, 2023	10.36	10.64	10.16	10.63
4387	NASDAQ	ATEC	Mon, Nov 13, 2023	10.19	10.51	9.94	9.94
4386	NASDAQ	ATEC	Fri, Nov 10, 2023	10.22	10.23	9.89	10.20
4385	NASDAQ	ATEC	Thu, Nov 9, 2023	10.64	10.70	10.01	10.12
4384	NASDAQ	ATEC	Wed, Nov 8, 2023	10.83	10.93	10.24	10.57
4383	NASDAQ	ATEC	Tue, Nov 7, 2023	11.00	11.39	10.66	10.85
4382	NASDAQ	ATEC	Mon, Nov 6, 2023	10.36	10.46	10.22	10.31
4381	NASDAQ	ATEC	Fri, Nov 3, 2023	9.95	10.57	9.95	10.36
4380	NASDAQ	ATEC	Thu, Nov 2, 2023	9.57	9.97	9.47	9.83
4379	NASDAQ	ATEC	Wed, Nov 1, 2023	9.14	9.52	8.98	9.48
4378	NASDAQ	ATEC	Tue, Oct 31, 2023	8.97	9.46	8.96	9.18
4377	NASDAQ	ATEC	Mon, Oct 30, 2023	9.58	9.58	8.66	8.89
4376	NASDAQ	ATEC	Fri, Oct 27, 2023	10.09	10.15	9.44	9.55
4375	NASDAQ	ATEC	Thu, Oct 26, 2023	10.08	10.20	9.63	9.84
4374	NASDAQ	ATEC	Wed, Oct 25, 2023	10.50	10.56	10.02	10.10
4373	NASDAQ	ATEC	Tue, Oct 24, 2023	13.02	13.11	12.63	12.82
4372	NASDAQ	ATEC	Mon, Oct 23, 2023	12.20	13.11	12.14	12.89
4371	NASDAQ	ATEC	Fri, Oct 20, 2023	12.12	12.50	11.86	12.25
4370	NASDAQ	ATEC	Thu, Oct 19, 2023	11.81	12.11	11.65	11.85
4369	NASDAQ	ATEC	Wed, Oct 18, 2023	11.74	12.22	11.57	11.81
4368	NASDAQ	ATEC	Tue, Oct 17, 2023	11.33	12.22	11.22	11.82
4367	NASDAQ	ATEC	Mon, Oct 16, 2023	12.17	12.17	10.31	11.53
4366	NASDAQ	ATEC	Fri, Oct 13, 2023	11.02	11.24	10.72	11.21
4365	NASDAQ	ATEC	Thu, Oct 12, 2023	11.50	11.50	10.82	11.01
4364	NASDAQ	ATEC	Wed, Oct 11, 2023	11.86	12.01	11.41	11.50
4363	NASDAQ	ATEC	Tue, Oct 10, 2023	11.29	12.06	11.27	11.87
4362	NASDAQ	ATEC	Mon, Oct 9, 2023	11.24	11.35	11.02	11.29
4361	NASDAQ	ATEC	Fri, Oct 6, 2023	11.10	11.35	10.95	11.31
4360	NASDAQ	ATEC	Thu, Oct 5, 2023	11.30	11.45	10.53	11.15
4359	NASDAQ	ATEC	Wed, Oct 4, 2023	11.85	11.87	11.10	11.25
4358	NASDAQ	ATEC	Tue, Oct 3, 2023	12.45	12.56	11.63	11.83
4357	NASDAQ	ATEC	Mon, Oct 2, 2023	12.97	12.97	12.44	12.58
4356	NASDAQ	ATEC	Fri, Sep 29, 2023	13.23	13.27	12.87	12.97
4355	NASDAQ	ATEC	Thu, Sep 28, 2023	12.99	13.37	12.95	13.05
4354	NASDAQ	ATEC	Wed, Sep 27, 2023	12.55	13.02	12.48	12.98
4353	NASDAQ	ATEC	Tue, Sep 26, 2023	12.35	12.60	12.31	12.53
4352	NASDAQ	ATEC	Mon, Sep 25, 2023	12.73	12.80	12.24	12.40
4351	NASDAQ	ATEC	Fri, Sep 22, 2023	12.47	12.80	12.38	12.77
4350	NASDAQ	ATEC	Thu, Sep 21, 2023	13.00	13.04	12.08	12.42
4349	NASDAQ	ATEC	Wed, Sep 20, 2023	13.48	13.60	13.17	13.18
4348	NASDAQ	ATEC	Tue, Sep 19, 2023	13.46	13.62	13.28	13.38
4347	NASDAQ	ATEC	Mon, Sep 18, 2023	13.45	13.78	13.33	13.51
4346	NASDAQ	ATEC	Fri, Sep 15, 2023	14.04	14.12	13.43	13.46
4345	NASDAQ	ATEC	Thu, Sep 14, 2023	13.90	14.12	13.80	14.04
4344	NASDAQ	ATEC	Wed, Sep 13, 2023	13.99	14.48	13.92	13.95
4343	NASDAQ	ATEC	Tue, Sep 12, 2023	14.61	14.82	13.79	13.93
4342	NASDAQ	ATEC	Mon, Sep 11, 2023	14.78	14.78	14.78	14.78
4341	NASDAQ	ATEC	Fri, Sep 8, 2023	15.18	15.50	14.12	14.20
4340	NASDAQ	ATEC	Thu, Sep 7, 2023	15.72	15.72	14.91	15.25
4339	NASDAQ	ATEC	Wed, Sep 6, 2023	15.65	15.98	15.65	15.79
4338	NASDAQ	ATEC	Tue, Sep 5, 2023	16.13	16.25	15.51	15.65
4337	NASDAQ	ATEC	Fri, Sep 1, 2023	16.50	16.62	16.05	16.25
4336	NASDAQ	ATEC	Thu, Aug 31, 2023	16.27	16.48	16.07	16.35
4335	NASDAQ	ATEC	Wed, Aug 30, 2023	15.64	16.35	15.64	16.17
4334	NASDAQ	ATEC	Tue, Aug 29, 2023	15.20	15.89	15.07	15.61
4333	NASDAQ	ATEC	Mon, Aug 28, 2023	14.81	15.27	14.76	15.21
4332	NASDAQ	ATEC	Fri, Aug 25, 2023	14.65	14.86	14.44	14.70
4331	NASDAQ	ATEC	Thu, Aug 24, 2023	15.10	15.14	14.62	14.66
4330	NASDAQ	ATEC	Wed, Aug 23, 2023	15.01	15.18	14.83	15.05
4329	NASDAQ	ATEC	Tue, Aug 22, 2023	14.48	14.95	14.33	14.89
4328	NASDAQ	ATEC	Mon, Aug 21, 2023	14.43	14.67	14.36	14.41
4327	NASDAQ	ATEC	Fri, Aug 18, 2023	13.69	14.52	13.64	14.41
4326	NASDAQ	ATEC	Thu, Aug 17, 2023	14.41	14.50	13.79	13.81
4325	NASDAQ	ATEC	Wed, Aug 16, 2023	14.88	14.88	14.37	14.39
4324	NASDAQ	ATEC	Tue, Aug 15, 2023	14.92	15.00	14.64	14.88
4323	NASDAQ	ATEC	Mon, Aug 14, 2023	14.82	14.95	14.62	14.93
4322	NASDAQ	ATEC	Fri, Aug 11, 2023	15.05	15.25	14.67	14.90
4321	NASDAQ	ATEC	Thu, Aug 10, 2023	15.08	15.20	14.90	14.95
4320	NASDAQ	ATEC	Wed, Aug 9, 2023	15.22	15.56	14.95	15.02
4319	NASDAQ	ATEC	Tue, Aug 8, 2023	16.00	16.11	15.33	15.35
4318	NASDAQ	ATEC	Mon, Aug 7, 2023	15.99	16.63	15.94	16.14
4317	NASDAQ	ATEC	Fri, Aug 4, 2023	16.99	18.32	15.60	15.93
4316	NASDAQ	ATEC	Thu, Aug 3, 2023	17.01	17.18	16.65	16.88
4315	NASDAQ	ATEC	Wed, Aug 2, 2023	17.54	17.62	17.01	17.14
4314	NASDAQ	ATEC	Tue, Aug 1, 2023	16.64	18.09	16.47	17.79
4313	NASDAQ	ATEC	Mon, Jul 31, 2023	17.54	17.77	17.33	17.67
4312	NASDAQ	ATEC	Fri, Jul 28, 2023	17.28	17.85	17.28	17.49
4311	NASDAQ	ATEC	Thu, Jul 27, 2023	17.49	17.60	17.12	17.17
4310	NASDAQ	ATEC	Wed, Jul 26, 2023	17.16	17.39	17.01	17.31
4309	NASDAQ	ATEC	Tue, Jul 25, 2023	17.23	17.64	17.20	17.23
4308	NASDAQ	ATEC	Mon, Jul 24, 2023	17.90	18.02	17.23	17.39
4307	NASDAQ	ATEC	Fri, Jul 21, 2023	17.90	18.19	17.75	17.90
4306	NASDAQ	ATEC	Thu, Jul 20, 2023	17.91	17.95	17.67	17.77
4305	NASDAQ	ATEC	Wed, Jul 19, 2023	18.65	18.82	17.88	17.95
4304	NASDAQ	ATEC	Tue, Jul 18, 2023	18.65	18.75	18.24	18.62
4303	NASDAQ	ATEC	Mon, Jul 17, 2023	18.45	19.14	18.37	18.72
4302	NASDAQ	ATEC	Fri, Jul 14, 2023	18.75	18.94	18.09	18.46
4301	NASDAQ	ATEC	Thu, Jul 13, 2023	18.70	18.96	18.26	18.80
4300	NASDAQ	ATEC	Wed, Jul 12, 2023	18.23	18.73	17.96	18.62
4299	NASDAQ	ATEC	Tue, Jul 11, 2023	18.10	18.24	17.76	18.20
4298	NASDAQ	ATEC	Mon, Jul 10, 2023	17.36	18.26	17.27	18.04
4297	NASDAQ	ATEC	Fri, Jul 7, 2023	17.22	17.39	17.02	17.19
4296	NASDAQ	ATEC	Thu, Jul 6, 2023	17.28	17.40	16.91	17.20
4295	NASDAQ	ATEC	Wed, Jul 5, 2023	17.51	18.00	17.44	17.51
4294	NASDAQ	ATEC	Mon, Jul 3, 2023	17.88	18.00	17.51	17.59
4293	NASDAQ	ATEC	Fri, Jun 30, 2023	17.85	18.49	17.85	17.98
4292	NASDAQ	ATEC	Thu, Jun 29, 2023	18.03	18.50	17.67	17.71
4291	NASDAQ	ATEC	Wed, Jun 28, 2023	17.84	18.59	17.72	18.03
4290	NASDAQ	ATEC	Tue, Jun 27, 2023	18.27	18.33	17.22	17.80
4289	NASDAQ	ATEC	Mon, Jun 26, 2023	16.60	17.92	16.40	17.68
4288	NASDAQ	ATEC	Fri, Jun 23, 2023	15.90	16.67	15.90	16.25
4287	NASDAQ	ATEC	Thu, Jun 22, 2023	15.50	16.25	15.50	16.04
4286	NASDAQ	ATEC	Wed, Jun 21, 2023	15.53	15.71	15.17	15.50
4285	NASDAQ	ATEC	Tue, Jun 20, 2023	15.23	15.61	14.99	15.55
4284	NASDAQ	ATEC	Fri, Jun 16, 2023	16.30	16.33	15.30	15.35
4283	NASDAQ	ATEC	Thu, Jun 15, 2023	16.23	16.53	15.90	16.13
4282	NASDAQ	ATEC	Wed, Jun 14, 2023	15.94	16.55	15.88	16.32
4281	NASDAQ	ATEC	Tue, Jun 13, 2023	15.32	15.94	15.32	15.69
4280	NASDAQ	ATEC	Mon, Jun 12, 2023	15.21	15.82	14.94	15.34
4279	NASDAQ	ATEC	Fri, Jun 9, 2023	15.30	15.57	15.05	15.12
4278	NASDAQ	ATEC	Thu, Jun 8, 2023	15.23	15.55	14.99	15.30
4277	NASDAQ	ATEC	Wed, Jun 7, 2023	15.35	15.60	15.16	15.25
4276	NASDAQ	ATEC	Tue, Jun 6, 2023	15.32	15.70	15.14	15.34
4275	NASDAQ	ATEC	Mon, Jun 5, 2023	15.27	15.56	15.24	15.39
4274	NASDAQ	ATEC	Fri, Jun 2, 2023	15.51	15.52	15.02	15.36
4273	NASDAQ	ATEC	Thu, Jun 1, 2023	15.16	15.43	14.97	15.32
4272	NASDAQ	ATEC	Wed, May 31, 2023	14.84	15.34	14.76	15.16
4271	NASDAQ	ATEC	Tue, May 30, 2023	14.18	15.00	14.10	14.84
4270	NASDAQ	ATEC	Fri, May 26, 2023	14.73	14.91	14.18	14.32
4269	NASDAQ	ATEC	Thu, May 25, 2023	15.11	15.32	14.61	14.74
4268	NASDAQ	ATEC	Wed, May 24, 2023	14.96	15.07	14.49	15.02
4267	NASDAQ	ATEC	Tue, May 23, 2023	15.60	16.06	14.80	14.97
4266	NASDAQ	ATEC	Mon, May 22, 2023	15.17	15.71	15.17	15.60
4265	NASDAQ	ATEC	Fri, May 19, 2023	15.56	15.89	15.11	15.17
4264	NASDAQ	ATEC	Thu, May 18, 2023	15.26	15.62	15.14	15.33
4263	NASDAQ	ATEC	Wed, May 17, 2023	15.27	15.37	14.86	15.26
4262	NASDAQ	ATEC	Tue, May 16, 2023	14.75	15.34	14.64	15.19
4261	NASDAQ	ATEC	Mon, May 15, 2023	15.59	15.59	14.83	14.83
4260	NASDAQ	ATEC	Fri, May 12, 2023	15.20	15.68	14.92	15.59
4259	NASDAQ	ATEC	Thu, May 11, 2023	15.52	15.57	14.92	15.05
4258	NASDAQ	ATEC	Wed, May 10, 2023	15.42	15.89	15.19	15.61
4257	NASDAQ	ATEC	Tue, May 9, 2023	14.73	15.34	14.58	15.26
4256	NASDAQ	ATEC	Mon, May 8, 2023	14.93	15.01	14.44	14.85
4255	NASDAQ	ATEC	Fri, May 5, 2023	15.25	15.72	14.75	15.16
4254	NASDAQ	ATEC	Thu, May 4, 2023	14.67	14.76	14.18	14.66
4253	NASDAQ	ATEC	Wed, May 3, 2023	14.38	15.06	14.34	14.70
4252	NASDAQ	ATEC	Tue, May 2, 2023	14.71	14.78	14.34	14.45
4251	NASDAQ	ATEC	Mon, May 1, 2023	14.35	14.83	14.33	14.74
4250	NASDAQ	ATEC	Fri, Apr 28, 2023	14.57	14.85	14.42	14.44
4249	NASDAQ	ATEC	Thu, Apr 27, 2023	14.92	15.00	14.59	14.67
4248	NASDAQ	ATEC	Wed, Apr 26, 2023	15.03	15.03	14.71	14.88
4247	NASDAQ	ATEC	Tue, Apr 25, 2023	15.43	15.58	14.65	14.95
4246	NASDAQ	ATEC	Mon, Apr 24, 2023	16.08	16.14	15.28	15.49
4245	NASDAQ	ATEC	Fri, Apr 21, 2023	16.36	16.54	15.83	16.15
4244	NASDAQ	ATEC	Thu, Apr 20, 2023	16.37	17.13	15.93	16.37
4243	NASDAQ	ATEC	Wed, Apr 19, 2023	15.62	16.39	15.58	16.38
4242	NASDAQ	ATEC	Tue, Apr 18, 2023	15.73	15.89	15.50	15.69
4241	NASDAQ	ATEC	Mon, Apr 17, 2023	15.71	15.93	15.49	15.67
4240	NASDAQ	ATEC	Fri, Apr 14, 2023	15.85	15.95	15.49	15.60
4239	NASDAQ	ATEC	Thu, Apr 13, 2023	15.53	15.91	15.48	15.83
4238	NASDAQ	ATEC	Wed, Apr 12, 2023	16.32	16.39	15.43	15.45
4237	NASDAQ	ATEC	Tue, Apr 11, 2023	15.99	16.52	15.97	16.20
4236	NASDAQ	ATEC	Mon, Apr 10, 2023	15.73	15.94	15.61	15.94
4235	NASDAQ	ATEC	Thu, Apr 6, 2023	15.42	15.94	15.36	15.81
4234	NASDAQ	ATEC	Wed, Apr 5, 2023	15.81	15.90	15.17	15.41
4233	NASDAQ	ATEC	Tue, Apr 4, 2023	15.86	15.99	15.56	15.93
4232	NASDAQ	ATEC	Mon, Apr 3, 2023	15.68	15.92	15.52	15.80
4231	NASDAQ	ATEC	Fri, Mar 31, 2023	15.90	16.19	15.48	15.60
4230	NASDAQ	ATEC	Thu, Mar 30, 2023	15.62	15.85	15.51	15.79
4229	NASDAQ	ATEC	Wed, Mar 29, 2023	15.77	15.79	15.26	15.44
4228	NASDAQ	ATEC	Tue, Mar 28, 2023	15.83	16.15	15.53	15.54
4227	NASDAQ	ATEC	Mon, Mar 27, 2023	15.95	16.15	15.80	15.92
4226	NASDAQ	ATEC	Fri, Mar 24, 2023	15.50	15.88	15.34	15.82
4225	NASDAQ	ATEC	Thu, Mar 23, 2023	15.52	15.66	15.38	15.54
4224	NASDAQ	ATEC	Wed, Mar 22, 2023	16.00	16.08	15.35	15.39
4223	NASDAQ	ATEC	Tue, Mar 21, 2023	15.59	16.14	15.51	16.00
4222	NASDAQ	ATEC	Mon, Mar 20, 2023	15.25	15.68	15.25	15.31
4221	NASDAQ	ATEC	Fri, Mar 17, 2023	15.33	15.72	15.21	15.30
4220	NASDAQ	ATEC	Thu, Mar 16, 2023	15.05	15.63	14.97	15.46
4219	NASDAQ	ATEC	Wed, Mar 15, 2023	15.06	15.18	14.71	15.10
4218	NASDAQ	ATEC	Tue, Mar 14, 2023	15.27	15.62	14.99	15.33
4217	NASDAQ	ATEC	Mon, Mar 13, 2023	14.06	15.35	14.00	15.07
4216	NASDAQ	ATEC	Fri, Mar 10, 2023	15.70	15.70	14.04	14.30
4215	NASDAQ	ATEC	Thu, Mar 9, 2023	16.07	16.29	15.50	15.72
4214	NASDAQ	ATEC	Wed, Mar 8, 2023	16.00	16.34	15.90	15.90
4213	NASDAQ	ATEC	Tue, Mar 7, 2023	15.52	16.20	15.45	15.94
4212	NASDAQ	ATEC	Mon, Mar 6, 2023	16.09	16.09	15.54	15.66
4211	NASDAQ	ATEC	Fri, Mar 3, 2023	15.55	16.22	15.44	16.02
4210	NASDAQ	ATEC	Thu, Mar 2, 2023	14.92	15.72	14.23	15.54
4209	NASDAQ	ATEC	Wed, Mar 1, 2023	14.86	16.15	14.54	15.09
4208	NASDAQ	ATEC	Tue, Feb 28, 2023	14.88	15.03	14.51	14.81
4207	NASDAQ	ATEC	Mon, Feb 27, 2023	14.93	14.99	14.47	14.85
4206	NASDAQ	ATEC	Fri, Feb 24, 2023	14.34	14.89	14.22	14.80
4205	NASDAQ	ATEC	Thu, Feb 23, 2023	14.37	14.80	14.23	14.59
4204	NASDAQ	ATEC	Wed, Feb 22, 2023	14.16	14.50	13.98	14.34
4203	NASDAQ	ATEC	Tue, Feb 21, 2023	14.08	14.30	13.68	14.15
4202	NASDAQ	ATEC	Fri, Feb 17, 2023	14.53	14.54	14.08	14.30
4201	NASDAQ	ATEC	Thu, Feb 16, 2023	14.48	14.86	14.32	14.49
4200	NASDAQ	ATEC	Wed, Feb 15, 2023	13.84	14.74	13.65	14.72
4199	NASDAQ	ATEC	Tue, Feb 14, 2023	13.56	14.17	13.49	14.00
4198	NASDAQ	ATEC	Mon, Feb 13, 2023	13.79	13.87	13.48	13.68
4197	NASDAQ	ATEC	Fri, Feb 10, 2023	13.84	14.12	13.39	13.79
4196	NASDAQ	ATEC	Thu, Feb 9, 2023	13.76	14.28	13.60	14.00
4195	NASDAQ	ATEC	Wed, Feb 8, 2023	13.17	13.38	12.91	12.91
4194	NASDAQ	ATEC	Tue, Feb 7, 2023	12.98	13.27	12.77	13.24
4193	NASDAQ	ATEC	Mon, Feb 6, 2023	13.48	13.48	12.99	13.04
4192	NASDAQ	ATEC	Fri, Feb 3, 2023	13.11	13.65	12.93	13.48
4191	NASDAQ	ATEC	Thu, Feb 2, 2023	13.38	13.79	13.03	13.28
4190	NASDAQ	ATEC	Wed, Feb 1, 2023	13.13	13.42	12.91	13.25
4189	NASDAQ	ATEC	Tue, Jan 31, 2023	12.81	13.04	12.66	13.02
4188	NASDAQ	ATEC	Mon, Jan 30, 2023	12.79	13.08	12.35	12.74
4187	NASDAQ	ATEC	Fri, Jan 27, 2023	12.66	13.01	12.54	12.94
4186	NASDAQ	ATEC	Thu, Jan 26, 2023	13.00	13.21	12.71	12.76
4185	NASDAQ	ATEC	Wed, Jan 25, 2023	12.83	12.98	12.63	12.83
4184	NASDAQ	ATEC	Tue, Jan 24, 2023	13.15	13.40	12.89	12.97
4183	NASDAQ	ATEC	Mon, Jan 23, 2023	13.45	13.53	12.98	13.15
4182	NASDAQ	ATEC	Fri, Jan 20, 2023	13.70	13.75	12.91	13.45
4181	NASDAQ	ATEC	Thu, Jan 19, 2023	13.37	13.58	13.07	13.45
4180	NASDAQ	ATEC	Wed, Jan 18, 2023	13.04	13.55	12.96	13.49
4179	NASDAQ	ATEC	Tue, Jan 17, 2023	13.11	13.31	12.89	12.97
4178	NASDAQ	ATEC	Fri, Jan 13, 2023	12.55	13.26	12.53	13.13
4177	NASDAQ	ATEC	Thu, Jan 12, 2023	12.44	12.72	11.88	12.69
4176	NASDAQ	ATEC	Wed, Jan 11, 2023	11.95	12.52	11.80	12.04
4175	NASDAQ	ATEC	Tue, Jan 10, 2023	11.96	12.61	11.87	11.95
4174	NASDAQ	ATEC	Mon, Jan 9, 2023	12.60	12.60	11.47	11.94
4173	NASDAQ	ATEC	Fri, Jan 6, 2023	12.58	13.13	12.12	12.58
4172	NASDAQ	ATEC	Thu, Jan 5, 2023	12.02	12.31	11.82	12.03
4171	NASDAQ	ATEC	Wed, Jan 4, 2023	11.96	12.28	11.83	12.01
4170	NASDAQ	ATEC	Tue, Jan 3, 2023	12.49	12.63	11.53	11.83
4169	NASDAQ	ATEC	Fri, Dec 30, 2022	11.89	12.38	11.00	12.35
4168	NASDAQ	ATEC	Thu, Dec 29, 2022	11.42	12.23	11.33	12.06
4167	NASDAQ	ATEC	Wed, Dec 28, 2022	11.47	11.61	11.13	11.29
4166	NASDAQ	ATEC	Tue, Dec 27, 2022	11.72	11.82	11.27	11.35
4165	NASDAQ	ATEC	Fri, Dec 23, 2022	11.70	11.76	11.29	11.71
4164	NASDAQ	ATEC	Thu, Dec 22, 2022	11.10	11.74	10.90	11.70
4163	NASDAQ	ATEC	Wed, Dec 21, 2022	10.50	11.35	10.48	11.21
4162	NASDAQ	ATEC	Tue, Dec 20, 2022	10.41	10.94	10.27	10.39
4161	NASDAQ	ATEC	Mon, Dec 19, 2022	10.65	10.79	10.39	10.48
4160	NASDAQ	ATEC	Fri, Dec 16, 2022	10.58	10.97	10.18	10.71
4159	NASDAQ	ATEC	Thu, Dec 15, 2022	10.27	10.86	10.13	10.83
4158	NASDAQ	ATEC	Wed, Dec 14, 2022	10.44	10.95	10.37	10.50
4157	NASDAQ	ATEC	Tue, Dec 13, 2022	10.58	10.88	10.32	10.44
4156	NASDAQ	ATEC	Mon, Dec 12, 2022	9.51	10.36	9.51	10.32
4155	NASDAQ	ATEC	Fri, Dec 9, 2022	9.61	9.89	9.44	9.55
4154	NASDAQ	ATEC	Thu, Dec 8, 2022	9.52	9.82	9.40	9.65
4153	NASDAQ	ATEC	Wed, Dec 7, 2022	9.43	9.65	9.40	9.48
4152	NASDAQ	ATEC	Tue, Dec 6, 2022	9.72	9.83	9.28	9.45
4151	NASDAQ	ATEC	Mon, Dec 5, 2022	10.15	10.18	9.67	9.75
4150	NASDAQ	ATEC	Fri, Dec 2, 2022	10.50	10.72	10.25	10.27
4149	NASDAQ	ATEC	Thu, Dec 1, 2022	10.28	10.92	10.26	10.74
4148	NASDAQ	ATEC	Wed, Nov 30, 2022	9.84	10.33	9.84	10.26
4147	NASDAQ	ATEC	Tue, Nov 29, 2022	9.51	9.80	9.51	9.77
4146	NASDAQ	ATEC	Mon, Nov 28, 2022	9.68	9.77	9.47	9.50
4145	NASDAQ	ATEC	Fri, Nov 25, 2022	9.50	9.81	9.45	9.75
4144	NASDAQ	ATEC	Wed, Nov 23, 2022	9.51	9.80	9.44	9.59
4143	NASDAQ	ATEC	Tue, Nov 22, 2022	9.52	9.81	9.29	9.48
4142	NASDAQ	ATEC	Mon, Nov 21, 2022	10.06	10.24	9.45	9.50
4141	NASDAQ	ATEC	Fri, Nov 18, 2022	10.27	10.27	9.98	10.11
4140	NASDAQ	ATEC	Thu, Nov 17, 2022	10.18	10.36	9.89	9.97
4139	NASDAQ	ATEC	Wed, Nov 16, 2022	10.41	10.50	10.26	10.37
4138	NASDAQ	ATEC	Tue, Nov 15, 2022	10.47	10.65	10.29	10.48
4137	NASDAQ	ATEC	Mon, Nov 14, 2022	10.33	10.53	10.18	10.32
4136	NASDAQ	ATEC	Fri, Nov 11, 2022	9.78	10.46	9.76	10.39
4135	NASDAQ	ATEC	Thu, Nov 10, 2022	9.41	9.80	9.19	9.76
4134	NASDAQ	ATEC	Wed, Nov 9, 2022	9.17	9.31	8.89	8.91
4133	NASDAQ	ATEC	Tue, Nov 8, 2022	9.88	9.98	9.13	9.25
4132	NASDAQ	ATEC	Mon, Nov 7, 2022	9.25	9.86	9.11	9.82
4131	NASDAQ	ATEC	Fri, Nov 4, 2022	9.48	10.33	9.18	9.24
4130	NASDAQ	ATEC	Thu, Nov 3, 2022	9.32	9.32	8.83	9.15
4129	NASDAQ	ATEC	Wed, Nov 2, 2022	10.18	10.29	9.35	9.38
4128	NASDAQ	ATEC	Tue, Nov 1, 2022	10.24	10.37	10.01	10.21
4127	NASDAQ	ATEC	Mon, Oct 31, 2022	10.17	10.43	10.03	10.24
4126	NASDAQ	ATEC	Fri, Oct 28, 2022	10.03	10.34	9.97	10.25
4125	NASDAQ	ATEC	Thu, Oct 27, 2022	10.50	10.53	10.03	10.05
4124	NASDAQ	ATEC	Wed, Oct 26, 2022	10.42	10.90	10.32	10.50
4123	NASDAQ	ATEC	Tue, Oct 25, 2022	10.15	10.41	10.14	10.33
4122	NASDAQ	ATEC	Mon, Oct 24, 2022	10.25	10.28	9.93	10.15
4121	NASDAQ	ATEC	Fri, Oct 21, 2022	9.95	10.34	9.79	10.18
4120	NASDAQ	ATEC	Thu, Oct 20, 2022	9.56	9.96	9.55	9.89
4119	NASDAQ	ATEC	Wed, Oct 19, 2022	9.59	9.76	9.47	9.56
4118	NASDAQ	ATEC	Tue, Oct 18, 2022	9.78	9.97	9.59	9.68
4117	NASDAQ	ATEC	Mon, Oct 17, 2022	9.29	9.80	9.29	9.44
4116	NASDAQ	ATEC	Fri, Oct 14, 2022	9.95	9.99	9.04	9.06
4115	NASDAQ	ATEC	Thu, Oct 13, 2022	9.63	10.10	9.57	9.79
4114	NASDAQ	ATEC	Wed, Oct 12, 2022	9.98	10.14	9.58	9.90
4113	NASDAQ	ATEC	Tue, Oct 11, 2022	9.53	9.84	9.00	9.72
4112	NASDAQ	ATEC	Mon, Oct 10, 2022	9.66	10.04	9.28	9.47
4111	NASDAQ	ATEC	Fri, Oct 7, 2022	9.93	9.94	8.88	8.97
4110	NASDAQ	ATEC	Thu, Oct 6, 2022	9.57	9.98	9.49	9.92
4109	NASDAQ	ATEC	Wed, Oct 5, 2022	9.41	9.67	9.33	9.61
4108	NASDAQ	ATEC	Tue, Oct 4, 2022	9.31	10.77	9.24	9.63
4107	NASDAQ	ATEC	Mon, Oct 3, 2022	8.77	9.16	8.58	9.14
4106	NASDAQ	ATEC	Fri, Sep 30, 2022	8.53	9.18	8.53	8.74
4105	NASDAQ	ATEC	Thu, Sep 29, 2022	8.53	8.94	8.37	8.71
4104	NASDAQ	ATEC	Wed, Sep 28, 2022	7.68	8.75	7.68	8.67
4103	NASDAQ	ATEC	Tue, Sep 27, 2022	8.23	8.39	8.00	8.10
4102	NASDAQ	ATEC	Mon, Sep 26, 2022	7.87	8.24	7.87	8.10
4101	NASDAQ	ATEC	Fri, Sep 23, 2022	8.16	8.24	7.76	8.05
4100	NASDAQ	ATEC	Thu, Sep 22, 2022	8.67	8.67	7.99	8.18
4099	NASDAQ	ATEC	Wed, Sep 21, 2022	8.98	9.05	8.52	8.53
4098	NASDAQ	ATEC	Tue, Sep 20, 2022	8.53	8.85	8.39	8.81
4097	NASDAQ	ATEC	Mon, Sep 19, 2022	8.47	8.64	8.22	8.60
4096	NASDAQ	ATEC	Fri, Sep 16, 2022	8.67	8.76	8.47	8.54
4095	NASDAQ	ATEC	Thu, Sep 15, 2022	8.86	9.25	8.74	8.85
4094	NASDAQ	ATEC	Wed, Sep 14, 2022	8.83	8.92	8.64	8.90
4093	NASDAQ	ATEC	Tue, Sep 13, 2022	8.84	9.29	8.73	8.86
4092	NASDAQ	ATEC	Mon, Sep 12, 2022	8.58	9.29	8.50	9.19
4091	NASDAQ	ATEC	Fri, Sep 9, 2022	7.99	8.36	7.90	8.34
4090	NASDAQ	ATEC	Thu, Sep 8, 2022	7.65	8.04	7.54	7.97
4089	NASDAQ	ATEC	Wed, Sep 7, 2022	7.19	7.72	7.18	7.70
4088	NASDAQ	ATEC	Tue, Sep 6, 2022	7.26	7.36	7.12	7.24
4087	NASDAQ	ATEC	Fri, Sep 2, 2022	7.66	7.66	7.29	7.31
4086	NASDAQ	ATEC	Thu, Sep 1, 2022	7.50	7.66	7.17	7.60
4085	NASDAQ	ATEC	Wed, Aug 31, 2022	7.81	7.89	7.59	7.59
4084	NASDAQ	ATEC	Tue, Aug 30, 2022	7.79	7.95	7.63	7.73
4083	NASDAQ	ATEC	Mon, Aug 29, 2022	7.70	7.94	7.60	7.78
4082	NASDAQ	ATEC	Fri, Aug 26, 2022	8.24	8.24	7.65	7.83
4081	NASDAQ	ATEC	Thu, Aug 25, 2022	8.11	8.24	8.02	8.24
4080	NASDAQ	ATEC	Wed, Aug 24, 2022	7.77	8.26	7.77	8.11
4079	NASDAQ	ATEC	Tue, Aug 23, 2022	7.58	7.87	7.39	7.75
4078	NASDAQ	ATEC	Mon, Aug 22, 2022	8.19	8.23	7.58	7.61
4077	NASDAQ	ATEC	Fri, Aug 19, 2022	8.61	8.61	8.22	8.36
4076	NASDAQ	ATEC	Thu, Aug 18, 2022	8.66	8.85	8.56	8.75
4075	NASDAQ	ATEC	Wed, Aug 17, 2022	9.28	9.32	8.86	8.93
4074	NASDAQ	ATEC	Tue, Aug 16, 2022	9.70	9.70	9.28	9.44
4073	NASDAQ	ATEC	Mon, Aug 15, 2022	9.58	9.81	9.46	9.74
4072	NASDAQ	ATEC	Fri, Aug 12, 2022	9.08	9.67	9.04	9.62
4071	NASDAQ	ATEC	Thu, Aug 11, 2022	7.97	8.98	7.97	8.91
4070	NASDAQ	ATEC	Wed, Aug 10, 2022	8.07	8.10	7.88	7.91
4069	NASDAQ	ATEC	Tue, Aug 9, 2022	7.92	8.01	7.80	7.89
4068	NASDAQ	ATEC	Mon, Aug 8, 2022	8.46	8.46	7.83	7.99
4067	NASDAQ	ATEC	Fri, Aug 5, 2022	8.03	8.68	7.76	8.18
4066	NASDAQ	ATEC	Thu, Aug 4, 2022	8.27	8.33	7.96	8.21
4065	NASDAQ	ATEC	Wed, Aug 3, 2022	7.89	8.26	7.78	8.20
4064	NASDAQ	ATEC	Tue, Aug 2, 2022	7.38	7.85	7.11	7.78
4063	NASDAQ	ATEC	Mon, Aug 1, 2022	7.51	7.62	7.34	7.43
4062	NASDAQ	ATEC	Fri, Jul 29, 2022	7.62	7.62	7.43	7.54
4061	NASDAQ	ATEC	Thu, Jul 28, 2022	7.82	7.84	7.42	7.64
4060	NASDAQ	ATEC	Wed, Jul 27, 2022	7.65	7.84	7.55	7.78
4059	NASDAQ	ATEC	Tue, Jul 26, 2022	7.18	7.63	7.15	7.55
4058	NASDAQ	ATEC	Mon, Jul 25, 2022	7.22	7.41	7.10	7.20
4057	NASDAQ	ATEC	Fri, Jul 22, 2022	7.55	7.76	7.07	7.23
4056	NASDAQ	ATEC	Thu, Jul 21, 2022	7.10	7.38	7.04	7.38
4055	NASDAQ	ATEC	Wed, Jul 20, 2022	6.94	7.36	6.94	7.14
4054	NASDAQ	ATEC	Tue, Jul 19, 2022	6.77	6.97	6.68	6.91
4053	NASDAQ	ATEC	Mon, Jul 18, 2022	6.68	7.11	6.67	6.69
4052	NASDAQ	ATEC	Fri, Jul 15, 2022	6.70	6.71	6.31	6.67
4051	NASDAQ	ATEC	Thu, Jul 14, 2022	5.80	6.59	5.73	6.57
4050	NASDAQ	ATEC	Wed, Jul 13, 2022	6.67	6.91	6.66	6.77
4049	NASDAQ	ATEC	Tue, Jul 12, 2022	6.78	6.94	6.73	6.84
4048	NASDAQ	ATEC	Mon, Jul 11, 2022	6.98	7.09	6.79	6.82
4047	NASDAQ	ATEC	Fri, Jul 8, 2022	6.96	7.16	6.96	7.05
4046	NASDAQ	ATEC	Thu, Jul 7, 2022	6.92	7.03	6.79	7.02
4045	NASDAQ	ATEC	Wed, Jul 6, 2022	6.96	7.03	6.77	6.86
4044	NASDAQ	ATEC	Tue, Jul 5, 2022	6.53	6.93	6.46	6.92
4043	NASDAQ	ATEC	Fri, Jul 1, 2022	6.51	6.71	6.43	6.68
4042	NASDAQ	ATEC	Thu, Jun 30, 2022	6.69	6.74	6.49	6.54
4041	NASDAQ	ATEC	Wed, Jun 29, 2022	6.77	6.81	6.44	6.76
4040	NASDAQ	ATEC	Tue, Jun 28, 2022	7.14	7.25	6.81	6.81
4039	NASDAQ	ATEC	Mon, Jun 27, 2022	6.96	7.25	6.75	7.07
4038	NASDAQ	ATEC	Fri, Jun 24, 2022	6.70	7.07	6.64	7.00
4037	NASDAQ	ATEC	Thu, Jun 23, 2022	6.49	6.67	6.40	6.64
4036	NASDAQ	ATEC	Wed, Jun 22, 2022	6.27	6.64	6.16	6.47
4035	NASDAQ	ATEC	Tue, Jun 21, 2022	6.54	6.72	6.32	6.36
4034	NASDAQ	ATEC	Fri, Jun 17, 2022	6.48	6.90	6.46	6.53
4033	NASDAQ	ATEC	Thu, Jun 16, 2022	6.68	6.69	6.19	6.39
4032	NASDAQ	ATEC	Wed, Jun 15, 2022	6.99	7.10	6.61	6.79
4031	NASDAQ	ATEC	Tue, Jun 14, 2022	7.33	7.40	6.83	6.92
4030	NASDAQ	ATEC	Mon, Jun 13, 2022	7.22	7.53	7.13	7.33
4029	NASDAQ	ATEC	Fri, Jun 10, 2022	7.03	7.46	7.00	7.39
4028	NASDAQ	ATEC	Thu, Jun 9, 2022	7.45	7.51	7.10	7.20
4027	NASDAQ	ATEC	Wed, Jun 8, 2022	7.28	7.51	7.06	7.50
4026	NASDAQ	ATEC	Tue, Jun 7, 2022	7.22	7.46	7.14	7.34
4025	NASDAQ	ATEC	Mon, Jun 6, 2022	7.52	7.64	7.20	7.31
4024	NASDAQ	ATEC	Fri, Jun 3, 2022	7.46	7.62	7.34	7.40
4023	NASDAQ	ATEC	Thu, Jun 2, 2022	6.99	7.56	6.99	7.55
4022	NASDAQ	ATEC	Wed, Jun 1, 2022	7.70	7.79	6.92	7.07
4021	NASDAQ	ATEC	Tue, May 31, 2022	8.02	8.11	7.48	7.68
4020	NASDAQ	ATEC	Fri, May 27, 2022	7.93	8.28	7.83	8.13
4019	NASDAQ	ATEC	Thu, May 26, 2022	7.45	8.11	7.36	7.86
4018	NASDAQ	ATEC	Wed, May 25, 2022	7.17	7.49	6.98	7.41
4017	NASDAQ	ATEC	Tue, May 24, 2022	7.58	7.83	7.13	7.24
4016	NASDAQ	ATEC	Mon, May 23, 2022	7.76	7.82	7.46	7.65
4015	NASDAQ	ATEC	Fri, May 20, 2022	8.38	8.57	7.57	7.76
4014	NASDAQ	ATEC	Thu, May 19, 2022	8.15	8.42	8.01	8.21
4013	NASDAQ	ATEC	Wed, May 18, 2022	8.43	8.69	8.18	8.25
4012	NASDAQ	ATEC	Tue, May 17, 2022	8.26	8.50	8.19	8.50
4011	NASDAQ	ATEC	Mon, May 16, 2022	8.09	8.43	7.95	8.03
4010	NASDAQ	ATEC	Fri, May 13, 2022	7.85	8.58	7.80	8.14
4009	NASDAQ	ATEC	Thu, May 12, 2022	7.40	7.65	7.28	7.62
4008	NASDAQ	ATEC	Wed, May 11, 2022	8.07	8.23	7.32	7.43
4007	NASDAQ	ATEC	Tue, May 10, 2022	8.32	8.81	7.93	8.10
4006	NASDAQ	ATEC	Mon, May 9, 2022	9.14	9.25	7.93	8.15
4005	NASDAQ	ATEC	Fri, May 6, 2022	12.18	12.30	9.25	9.41
4004	NASDAQ	ATEC	Thu, May 5, 2022	11.01	11.43	10.42	10.79
4003	NASDAQ	ATEC	Wed, May 4, 2022	11.17	11.31	10.47	11.21
4002	NASDAQ	ATEC	Tue, May 3, 2022	11.01	11.24	10.96	11.09
4001	NASDAQ	ATEC	Mon, May 2, 2022	10.79	11.20	10.68	11.01
4000	NASDAQ	ATEC	Fri, Apr 29, 2022	11.32	11.41	10.79	10.85
3999	NASDAQ	ATEC	Thu, Apr 28, 2022	11.54	11.57	10.93	11.40
3998	NASDAQ	ATEC	Wed, Apr 27, 2022	11.77	11.88	11.34	11.39
3997	NASDAQ	ATEC	Tue, Apr 26, 2022	12.12	12.34	11.73	11.77
3996	NASDAQ	ATEC	Mon, Apr 25, 2022	12.04	12.29	11.84	12.28
3995	NASDAQ	ATEC	Fri, Apr 22, 2022	12.60	12.64	12.10	12.14
3994	NASDAQ	ATEC	Thu, Apr 21, 2022	13.21	13.50	12.74	12.78
3993	NASDAQ	ATEC	Wed, Apr 20, 2022	12.88	13.18	12.57	13.08
3992	NASDAQ	ATEC	Tue, Apr 19, 2022	12.13	12.89	12.01	12.72
3991	NASDAQ	ATEC	Mon, Apr 18, 2022	12.09	12.10	11.75	12.08
3990	NASDAQ	ATEC	Thu, Apr 14, 2022	12.31	12.44	12.08	12.11
3989	NASDAQ	ATEC	Wed, Apr 13, 2022	12.22	12.51	11.98	12.34
3988	NASDAQ	ATEC	Tue, Apr 12, 2022	12.15	12.49	11.96	12.06
3987	NASDAQ	ATEC	Mon, Apr 11, 2022	12.26	12.54	12.00	12.13
3986	NASDAQ	ATEC	Fri, Apr 8, 2022	12.45	12.70	12.29	12.42
3985	NASDAQ	ATEC	Thu, Apr 7, 2022	12.85	12.99	12.32	12.51
3984	NASDAQ	ATEC	Wed, Apr 6, 2022	12.49	12.96	12.12	12.85
3983	NASDAQ	ATEC	Tue, Apr 5, 2022	12.90	13.27	12.47	12.66
3982	NASDAQ	ATEC	Mon, Apr 4, 2022	12.77	13.65	12.36	12.83
3981	NASDAQ	ATEC	Fri, Apr 1, 2022	11.49	12.95	11.49	12.89
3980	NASDAQ	ATEC	Thu, Mar 31, 2022	11.42	11.84	11.38	11.50
3979	NASDAQ	ATEC	Wed, Mar 30, 2022	11.07	11.73	11.07	11.46
3978	NASDAQ	ATEC	Tue, Mar 29, 2022	10.73	11.53	10.65	11.10
3977	NASDAQ	ATEC	Mon, Mar 28, 2022	10.49	10.64	10.30	10.63
3976	NASDAQ	ATEC	Fri, Mar 25, 2022	10.74	10.85	10.42	10.53
3975	NASDAQ	ATEC	Thu, Mar 24, 2022	10.45	10.77	10.29	10.76
3974	NASDAQ	ATEC	Wed, Mar 23, 2022	10.74	10.74	10.43	10.45
3973	NASDAQ	ATEC	Tue, Mar 22, 2022	10.77	11.03	10.69	10.82
3972	NASDAQ	ATEC	Mon, Mar 21, 2022	11.18	11.23	10.59	10.79
3971	NASDAQ	ATEC	Fri, Mar 18, 2022	10.91	11.28	10.91	11.18
3970	NASDAQ	ATEC	Thu, Mar 17, 2022	10.47	10.96	10.38	10.94
3969	NASDAQ	ATEC	Wed, Mar 16, 2022	10.36	10.63	10.11	10.58
3968	NASDAQ	ATEC	Tue, Mar 15, 2022	9.76	10.13	9.65	10.13
3967	NASDAQ	ATEC	Mon, Mar 14, 2022	10.59	10.67	9.68	9.71
3966	NASDAQ	ATEC	Fri, Mar 11, 2022	11.07	11.18	10.57	10.61
3965	NASDAQ	ATEC	Thu, Mar 10, 2022	11.08	11.08	10.61	10.90
3964	NASDAQ	ATEC	Wed, Mar 9, 2022	11.50	11.65	10.97	11.28
3963	NASDAQ	ATEC	Tue, Mar 8, 2022	11.32	11.70	11.20	11.27
3962	NASDAQ	ATEC	Mon, Mar 7, 2022	11.44	11.62	11.13	11.30
3961	NASDAQ	ATEC	Fri, Mar 4, 2022	11.19	11.41	10.94	11.39
3960	NASDAQ	ATEC	Thu, Mar 3, 2022	11.38	11.75	11.09	11.31
3959	NASDAQ	ATEC	Wed, Mar 2, 2022	11.00	11.59	10.79	11.36
3958	NASDAQ	ATEC	Tue, Mar 1, 2022	10.91	11.18	10.83	11.07
3957	NASDAQ	ATEC	Mon, Feb 28, 2022	10.59	11.09	10.51	11.02
3956	NASDAQ	ATEC	Fri, Feb 25, 2022	10.38	10.78	10.17	10.77
3955	NASDAQ	ATEC	Thu, Feb 24, 2022	9.17	10.35	9.06	10.33
3954	NASDAQ	ATEC	Wed, Feb 23, 2022	9.72	9.99	9.51	9.53
3953	NASDAQ	ATEC	Tue, Feb 22, 2022	9.67	9.85	9.52	9.59
3952	NASDAQ	ATEC	Fri, Feb 18, 2022	10.13	10.27	9.78	9.80
3951	NASDAQ	ATEC	Thu, Feb 17, 2022	10.62	10.67	10.13	10.20
3950	NASDAQ	ATEC	Wed, Feb 16, 2022	10.55	10.89	10.33	10.76
3949	NASDAQ	ATEC	Tue, Feb 15, 2022	10.29	10.80	10.29	10.64
3948	NASDAQ	ATEC	Mon, Feb 14, 2022	10.30	10.73	10.08	10.13
3947	NASDAQ	ATEC	Fri, Feb 11, 2022	10.43	10.59	10.04	10.19
3946	NASDAQ	ATEC	Thu, Feb 10, 2022	10.34	10.75	10.30	10.43
3945	NASDAQ	ATEC	Wed, Feb 9, 2022	10.65	11.00	10.58	10.59
3944	NASDAQ	ATEC	Tue, Feb 8, 2022	9.88	10.66	9.86	10.57
3943	NASDAQ	ATEC	Mon, Feb 7, 2022	9.94	10.20	9.80	9.91
3942	NASDAQ	ATEC	Fri, Feb 4, 2022	9.68	10.05	9.49	9.96
3941	NASDAQ	ATEC	Thu, Feb 3, 2022	9.98	10.08	9.71	9.76
3940	NASDAQ	ATEC	Wed, Feb 2, 2022	10.34	10.36	9.99	10.10
3939	NASDAQ	ATEC	Tue, Feb 1, 2022	10.43	10.50	10.11	10.33
3938	NASDAQ	ATEC	Mon, Jan 31, 2022	9.63	10.34	9.60	10.34
3937	NASDAQ	ATEC	Fri, Jan 28, 2022	9.42	9.64	9.07	9.63
3936	NASDAQ	ATEC	Thu, Jan 27, 2022	10.19	10.20	9.35	9.45
3935	NASDAQ	ATEC	Wed, Jan 26, 2022	10.13	10.35	9.89	9.97
3934	NASDAQ	ATEC	Tue, Jan 25, 2022	10.40	10.65	9.80	10.03
3933	NASDAQ	ATEC	Mon, Jan 24, 2022	10.02	10.61	9.64	10.59
3932	NASDAQ	ATEC	Fri, Jan 21, 2022	10.42	10.65	10.18	10.24
3931	NASDAQ	ATEC	Thu, Jan 20, 2022	11.34	11.53	10.56	10.61
3930	NASDAQ	ATEC	Wed, Jan 19, 2022	11.85	11.89	11.18	11.25
3929	NASDAQ	ATEC	Tue, Jan 18, 2022	12.13	12.31	11.86	11.86
3928	NASDAQ	ATEC	Fri, Jan 14, 2022	11.98	12.23	11.81	12.21
3927	NASDAQ	ATEC	Thu, Jan 13, 2022	12.27	12.49	12.04	12.14
3926	NASDAQ	ATEC	Wed, Jan 12, 2022	12.84	12.84	12.22	12.27
3925	NASDAQ	ATEC	Tue, Jan 11, 2022	12.69	13.18	12.48	12.85
3924	NASDAQ	ATEC	Mon, Jan 10, 2022	12.11	13.37	12.01	12.75
3923	NASDAQ	ATEC	Fri, Jan 7, 2022	11.64	11.98	11.29	11.30
3922	NASDAQ	ATEC	Thu, Jan 6, 2022	11.64	11.87	11.27	11.72
3921	NASDAQ	ATEC	Wed, Jan 5, 2022	12.05	12.33	11.59	11.65
3920	NASDAQ	ATEC	Tue, Jan 4, 2022	11.87	12.15	11.76	12.10
3919	NASDAQ	ATEC	Mon, Jan 3, 2022	11.52	11.90	11.40	11.82
3918	NASDAQ	ATEC	Fri, Dec 31, 2021	11.60	11.76	11.40	11.43
3917	NASDAQ	ATEC	Thu, Dec 30, 2021	11.92	12.07	11.60	11.62
3916	NASDAQ	ATEC	Wed, Dec 29, 2021	11.87	12.03	11.71	11.97
3915	NASDAQ	ATEC	Tue, Dec 28, 2021	12.46	12.53	11.90	11.92
3914	NASDAQ	ATEC	Mon, Dec 27, 2021	12.37	12.62	12.17	12.48
3913	NASDAQ	ATEC	Thu, Dec 23, 2021	12.11	12.52	12.05	12.38
3912	NASDAQ	ATEC	Wed, Dec 22, 2021	11.72	12.30	11.56	12.10
3911	NASDAQ	ATEC	Tue, Dec 21, 2021	11.46	11.98	11.37	11.78
3910	NASDAQ	ATEC	Mon, Dec 20, 2021	11.10	11.32	10.95	11.24
3909	NASDAQ	ATEC	Fri, Dec 17, 2021	10.99	11.55	10.78	11.49
3908	NASDAQ	ATEC	Thu, Dec 16, 2021	11.28	11.67	10.73	10.90
3907	NASDAQ	ATEC	Wed, Dec 15, 2021	11.25	11.29	10.74	11.20
3906	NASDAQ	ATEC	Tue, Dec 14, 2021	11.45	11.49	11.20	11.26
3905	NASDAQ	ATEC	Mon, Dec 13, 2021	11.59	11.86	11.34	11.56
3904	NASDAQ	ATEC	Fri, Dec 10, 2021	11.74	11.85	11.58	11.66
3903	NASDAQ	ATEC	Thu, Dec 9, 2021	12.00	12.28	11.61	11.71
3902	NASDAQ	ATEC	Wed, Dec 8, 2021	11.82	12.34	11.61	12.19
3901	NASDAQ	ATEC	Tue, Dec 7, 2021	11.57	12.10	11.40	11.84
3900	NASDAQ	ATEC	Mon, Dec 6, 2021	10.79	11.42	10.58	11.41
3899	NASDAQ	ATEC	Fri, Dec 3, 2021	10.95	10.99	10.47	10.75
3898	NASDAQ	ATEC	Thu, Dec 2, 2021	10.65	11.08	10.31	11.05
3897	NASDAQ	ATEC	Wed, Dec 1, 2021	11.30	11.39	10.70	10.70
3896	NASDAQ	ATEC	Tue, Nov 30, 2021	10.71	11.15	10.59	11.10
3895	NASDAQ	ATEC	Mon, Nov 29, 2021	11.70	11.95	10.52	10.82
3894	NASDAQ	ATEC	Fri, Nov 26, 2021	11.05	11.38	10.51	10.57
3893	NASDAQ	ATEC	Wed, Nov 24, 2021	10.93	11.39	10.73	11.26
3892	NASDAQ	ATEC	Tue, Nov 23, 2021	11.26	11.26	10.71	11.06
3891	NASDAQ	ATEC	Mon, Nov 22, 2021	11.28	11.41	11.11	11.22
3890	NASDAQ	ATEC	Fri, Nov 19, 2021	11.20	11.53	11.15	11.27
3889	NASDAQ	ATEC	Thu, Nov 18, 2021	12.16	12.23	11.31	11.35
3888	NASDAQ	ATEC	Wed, Nov 17, 2021	12.16	12.27	12.00	12.18
3887	NASDAQ	ATEC	Tue, Nov 16, 2021	12.11	12.33	11.97	12.29
3886	NASDAQ	ATEC	Mon, Nov 15, 2021	11.62	11.70	11.09	11.60
3885	NASDAQ	ATEC	Fri, Nov 12, 2021	11.73	11.80	11.50	11.60
3884	NASDAQ	ATEC	Thu, Nov 11, 2021	11.42	11.90	11.26	11.68
3883	NASDAQ	ATEC	Wed, Nov 10, 2021	11.99	12.00	11.41	11.46
3882	NASDAQ	ATEC	Tue, Nov 9, 2021	12.41	12.57	12.09	12.15
3881	NASDAQ	ATEC	Mon, Nov 8, 2021	12.94	13.10	12.41	12.42
3880	NASDAQ	ATEC	Fri, Nov 5, 2021	13.45	14.00	12.55	12.94
3879	NASDAQ	ATEC	Thu, Nov 4, 2021	13.37	13.54	12.41	12.69
3878	NASDAQ	ATEC	Wed, Nov 3, 2021	12.58	13.31	12.41	13.23
3877	NASDAQ	ATEC	Tue, Nov 2, 2021	12.17	12.53	11.95	12.53
3876	NASDAQ	ATEC	Mon, Nov 1, 2021	11.70	12.46	11.64	12.25
3875	NASDAQ	ATEC	Fri, Oct 29, 2021	11.89	11.89	11.51	11.73
3874	NASDAQ	ATEC	Thu, Oct 28, 2021	11.87	12.08	11.78	11.79
3873	NASDAQ	ATEC	Wed, Oct 27, 2021	11.72	11.84	11.62	11.76
3872	NASDAQ	ATEC	Tue, Oct 26, 2021	11.83	12.00	11.75	11.79
3871	NASDAQ	ATEC	Mon, Oct 25, 2021	12.00	12.02	11.72	11.80
3870	NASDAQ	ATEC	Fri, Oct 22, 2021	11.86	12.19	11.81	12.16
3869	NASDAQ	ATEC	Thu, Oct 21, 2021	12.32	12.32	11.95	12.09
3868	NASDAQ	ATEC	Wed, Oct 20, 2021	12.42	12.43	12.07	12.26
3867	NASDAQ	ATEC	Tue, Oct 19, 2021	12.01	12.49	11.78	12.35
3866	NASDAQ	ATEC	Mon, Oct 18, 2021	12.06	12.06	11.73	11.90
3865	NASDAQ	ATEC	Fri, Oct 15, 2021	12.33	12.50	12.01	12.19
3864	NASDAQ	ATEC	Thu, Oct 14, 2021	12.33	12.52	12.10	12.17
3863	NASDAQ	ATEC	Wed, Oct 13, 2021	12.11	12.28	11.98	12.20
3862	NASDAQ	ATEC	Tue, Oct 12, 2021	11.93	12.27	11.93	12.18
3861	NASDAQ	ATEC	Mon, Oct 11, 2021	11.87	12.08	11.74	11.92
3860	NASDAQ	ATEC	Fri, Oct 8, 2021	12.37	12.37	11.86	11.93
3859	NASDAQ	ATEC	Thu, Oct 7, 2021	12.27	12.51	12.06	12.36
3858	NASDAQ	ATEC	Wed, Oct 6, 2021	11.80	12.29	11.73	12.25
3857	NASDAQ	ATEC	Tue, Oct 5, 2021	11.87	12.14	11.67	12.02
3856	NASDAQ	ATEC	Mon, Oct 4, 2021	12.49	12.57	11.78	11.87
3855	NASDAQ	ATEC	Fri, Oct 1, 2021	12.25	12.64	11.98	12.59
3854	NASDAQ	ATEC	Thu, Sep 30, 2021	12.73	12.93	12.06	12.19
3853	NASDAQ	ATEC	Wed, Sep 29, 2021	12.54	13.11	12.14	12.37
3852	NASDAQ	ATEC	Tue, Sep 28, 2021	13.35	13.42	12.46	12.50
3851	NASDAQ	ATEC	Mon, Sep 27, 2021	13.73	13.73	13.29	13.67
3850	NASDAQ	ATEC	Fri, Sep 24, 2021	13.97	14.09	13.68	13.74
3849	NASDAQ	ATEC	Thu, Sep 23, 2021	14.43	14.54	13.90	14.14
3848	NASDAQ	ATEC	Wed, Sep 22, 2021	14.07	14.52	13.97	14.36
3847	NASDAQ	ATEC	Tue, Sep 21, 2021	13.97	14.26	13.88	14.04
3846	NASDAQ	ATEC	Mon, Sep 20, 2021	13.83	14.12	13.62	13.87
3845	NASDAQ	ATEC	Fri, Sep 17, 2021	14.19	14.46	14.13	14.30
3844	NASDAQ	ATEC	Thu, Sep 16, 2021	14.06	14.22	13.80	14.12
3843	NASDAQ	ATEC	Wed, Sep 15, 2021	13.92	14.21	13.72	14.10
3842	NASDAQ	ATEC	Tue, Sep 14, 2021	14.06	14.21	13.72	13.95
3841	NASDAQ	ATEC	Mon, Sep 13, 2021	14.09	14.11	13.55	14.04
3840	NASDAQ	ATEC	Fri, Sep 10, 2021	14.54	14.54	13.85	14.05
3839	NASDAQ	ATEC	Thu, Sep 9, 2021	14.44	14.69	14.25	14.45
3838	NASDAQ	ATEC	Wed, Sep 8, 2021	14.58	14.67	14.11	14.48
3837	NASDAQ	ATEC	Tue, Sep 7, 2021	15.03	15.25	14.57	14.69
3836	NASDAQ	ATEC	Fri, Sep 3, 2021	14.95	15.32	14.75	15.11
3835	NASDAQ	ATEC	Thu, Sep 2, 2021	14.88	15.31	14.75	14.85
3834	NASDAQ	ATEC	Wed, Sep 1, 2021	14.14	15.10	13.79	14.86
3833	NASDAQ	ATEC	Tue, Aug 31, 2021	13.39	14.61	13.39	14.48
3832	NASDAQ	ATEC	Mon, Aug 30, 2021	13.21	13.80	13.18	13.47
3831	NASDAQ	ATEC	Fri, Aug 27, 2021	12.72	13.33	12.55	13.10
3830	NASDAQ	ATEC	Thu, Aug 26, 2021	13.39	13.52	12.76	12.76
3829	NASDAQ	ATEC	Wed, Aug 25, 2021	13.41	13.83	13.05	13.43
3828	NASDAQ	ATEC	Tue, Aug 24, 2021	12.87	13.18	12.67	13.08
3827	NASDAQ	ATEC	Mon, Aug 23, 2021	12.35	12.88	12.23	12.87
3826	NASDAQ	ATEC	Fri, Aug 20, 2021	11.76	12.40	11.61	12.35
3825	NASDAQ	ATEC	Thu, Aug 19, 2021	12.19	12.36	11.75	11.83
3824	NASDAQ	ATEC	Wed, Aug 18, 2021	12.78	12.97	12.32	12.36
3823	NASDAQ	ATEC	Tue, Aug 17, 2021	12.69	12.82	12.25	12.69
3822	NASDAQ	ATEC	Mon, Aug 16, 2021	12.90	12.92	12.28	12.81
3821	NASDAQ	ATEC	Fri, Aug 13, 2021	13.04	13.17	12.86	12.92
3820	NASDAQ	ATEC	Thu, Aug 12, 2021	12.75	13.23	12.66	13.10
3819	NASDAQ	ATEC	Wed, Aug 11, 2021	13.73	13.85	12.50	12.54
3818	NASDAQ	ATEC	Tue, Aug 10, 2021	14.50	14.66	13.68	13.74
3817	NASDAQ	ATEC	Mon, Aug 9, 2021	14.08	14.90	13.94	14.60
3816	NASDAQ	ATEC	Fri, Aug 6, 2021	13.86	14.18	13.50	14.01
3815	NASDAQ	ATEC	Thu, Aug 5, 2021	13.93	14.55	13.60	13.84
3814	NASDAQ	ATEC	Wed, Aug 4, 2021	14.76	15.34	14.48	15.23
3813	NASDAQ	ATEC	Tue, Aug 3, 2021	14.84	15.01	13.81	14.27
3812	NASDAQ	ATEC	Mon, Aug 2, 2021	14.75	15.25	14.44	14.88
3811	NASDAQ	ATEC	Fri, Jul 30, 2021	14.59	14.94	14.52	14.74
3810	NASDAQ	ATEC	Thu, Jul 29, 2021	14.67	14.98	14.32	14.65
3809	NASDAQ	ATEC	Wed, Jul 28, 2021	14.59	14.81	14.31	14.61
3808	NASDAQ	ATEC	Tue, Jul 27, 2021	14.02	14.51	13.88	14.49
3807	NASDAQ	ATEC	Mon, Jul 26, 2021	14.07	14.19	13.82	14.11
3806	NASDAQ	ATEC	Fri, Jul 23, 2021	14.37	14.37	13.92	14.11
3805	NASDAQ	ATEC	Thu, Jul 22, 2021	14.49	14.51	14.17	14.29
3804	NASDAQ	ATEC	Wed, Jul 21, 2021	14.06	14.53	13.93	14.52
3803	NASDAQ	ATEC	Tue, Jul 20, 2021	13.48	14.27	13.41	14.06
3802	NASDAQ	ATEC	Mon, Jul 19, 2021	13.70	14.24	13.38	13.45
3801	NASDAQ	ATEC	Fri, Jul 16, 2021	13.94	14.43	13.94	14.14
3800	NASDAQ	ATEC	Thu, Jul 15, 2021	14.00	14.21	13.75	14.04
3799	NASDAQ	ATEC	Wed, Jul 14, 2021	14.98	15.02	13.92	14.19
3798	NASDAQ	ATEC	Tue, Jul 13, 2021	15.74	15.78	15.04	15.08
3797	NASDAQ	ATEC	Mon, Jul 12, 2021	16.11	16.47	15.47	15.79
3796	NASDAQ	ATEC	Fri, Jul 9, 2021	14.12	14.31	13.95	14.15
3795	NASDAQ	ATEC	Thu, Jul 8, 2021	14.21	14.44	14.00	14.08
3794	NASDAQ	ATEC	Wed, Jul 7, 2021	15.01	15.23	14.35	14.51
3793	NASDAQ	ATEC	Tue, Jul 6, 2021	15.06	15.13	14.92	15.05
3792	NASDAQ	ATEC	Fri, Jul 2, 2021	15.33	15.34	14.80	15.06
3791	NASDAQ	ATEC	Thu, Jul 1, 2021	15.41	15.45	15.10	15.22
3790	NASDAQ	ATEC	Wed, Jun 30, 2021	15.10	15.46	14.83	15.32
3789	NASDAQ	ATEC	Tue, Jun 29, 2021	15.53	15.74	15.17	15.20
3788	NASDAQ	ATEC	Mon, Jun 28, 2021	15.76	15.88	15.19	15.45
3787	NASDAQ	ATEC	Fri, Jun 25, 2021	15.63	16.07	15.45	15.79
3786	NASDAQ	ATEC	Thu, Jun 24, 2021	16.03	16.22	15.60	15.67
3785	NASDAQ	ATEC	Wed, Jun 23, 2021	15.56	16.07	15.25	15.94
3784	NASDAQ	ATEC	Tue, Jun 22, 2021	15.87	15.87	15.21	15.51
3783	NASDAQ	ATEC	Mon, Jun 21, 2021	14.80	16.11	14.74	15.99
3782	NASDAQ	ATEC	Fri, Jun 18, 2021	15.08	15.23	14.67	14.83
3781	NASDAQ	ATEC	Thu, Jun 17, 2021	14.76	15.33	14.76	15.28
3780	NASDAQ	ATEC	Wed, Jun 16, 2021	14.90	15.09	14.53	14.88
3779	NASDAQ	ATEC	Tue, Jun 15, 2021	14.75	15.14	14.67	15.12
3778	NASDAQ	ATEC	Mon, Jun 14, 2021	14.31	14.71	14.31	14.67
3777	NASDAQ	ATEC	Fri, Jun 11, 2021	14.16	14.43	14.00	14.36
3776	NASDAQ	ATEC	Thu, Jun 10, 2021	14.39	14.39	13.97	14.16
3775	NASDAQ	ATEC	Wed, Jun 9, 2021	14.20	14.47	14.20	14.37
3774	NASDAQ	ATEC	Tue, Jun 8, 2021	14.19	14.38	13.92	14.18
3773	NASDAQ	ATEC	Mon, Jun 7, 2021	14.18	14.49	14.00	14.16
3772	NASDAQ	ATEC	Fri, Jun 4, 2021	14.04	14.19	14.00	14.14
3771	NASDAQ	ATEC	Thu, Jun 3, 2021	14.00	14.19	13.96	14.02
3770	NASDAQ	ATEC	Wed, Jun 2, 2021	14.51	14.57	13.99	14.16
3769	NASDAQ	ATEC	Tue, Jun 1, 2021	14.51	14.82	14.40	14.53
3768	NASDAQ	ATEC	Fri, May 28, 2021	14.53	14.98	14.33	14.50
3767	NASDAQ	ATEC	Thu, May 27, 2021	14.93	15.23	14.47	14.54
3766	NASDAQ	ATEC	Wed, May 26, 2021	15.08	15.39	14.78	14.91
3765	NASDAQ	ATEC	Tue, May 25, 2021	15.39	15.50	15.04	15.04
3764	NASDAQ	ATEC	Mon, May 24, 2021	15.18	15.58	15.18	15.25
3763	NASDAQ	ATEC	Fri, May 21, 2021	15.29	15.30	15.00	15.16
3762	NASDAQ	ATEC	Thu, May 20, 2021	14.97	15.15	14.81	15.13
3761	NASDAQ	ATEC	Wed, May 19, 2021	14.70	15.05	14.54	14.94
3760	NASDAQ	ATEC	Tue, May 18, 2021	14.84	15.45	14.84	15.00
3759	NASDAQ	ATEC	Mon, May 17, 2021	14.71	15.06	14.60	14.86
3758	NASDAQ	ATEC	Fri, May 14, 2021	14.81	15.10	14.74	14.81
3757	NASDAQ	ATEC	Thu, May 13, 2021	14.23	15.20	14.15	14.81
3756	NASDAQ	ATEC	Wed, May 12, 2021	14.00	14.02	13.57	13.75
3755	NASDAQ	ATEC	Tue, May 11, 2021	13.63	14.35	13.33	14.02
3754	NASDAQ	ATEC	Mon, May 10, 2021	15.25	15.29	13.96	14.02
3753	NASDAQ	ATEC	Fri, May 7, 2021	15.00	15.59	14.25	15.11
3752	NASDAQ	ATEC	Thu, May 6, 2021	15.42	15.63	14.91	15.28
3751	NASDAQ	ATEC	Wed, May 5, 2021	15.55	15.68	15.27	15.42
3750	NASDAQ	ATEC	Tue, May 4, 2021	15.82	15.82	15.09	15.50
3749	NASDAQ	ATEC	Mon, May 3, 2021	16.02	16.15	15.71	15.92
3748	NASDAQ	ATEC	Fri, Apr 30, 2021	16.00	16.24	15.88	15.99
3747	NASDAQ	ATEC	Thu, Apr 29, 2021	16.37	16.61	15.94	16.22
3746	NASDAQ	ATEC	Wed, Apr 28, 2021	16.26	16.37	15.84	16.33
3745	NASDAQ	ATEC	Tue, Apr 27, 2021	16.68	16.69	16.12	16.40
3744	NASDAQ	ATEC	Mon, Apr 26, 2021	16.71	16.84	16.33	16.61
3743	NASDAQ	ATEC	Fri, Apr 23, 2021	16.49	16.95	16.23	16.71
3742	NASDAQ	ATEC	Thu, Apr 22, 2021	16.43	16.66	16.14	16.30
3741	NASDAQ	ATEC	Wed, Apr 21, 2021	15.85	16.49	15.67	16.40
3740	NASDAQ	ATEC	Tue, Apr 20, 2021	16.14	16.23	15.51	15.92
3739	NASDAQ	ATEC	Mon, Apr 19, 2021	16.55	16.57	15.95	16.23
3738	NASDAQ	ATEC	Fri, Apr 16, 2021	17.34	17.34	16.41	16.77
3737	NASDAQ	ATEC	Thu, Apr 15, 2021	17.43	17.49	16.99	17.23
3736	NASDAQ	ATEC	Wed, Apr 14, 2021	17.10	17.47	16.95	17.22
3735	NASDAQ	ATEC	Tue, Apr 13, 2021	17.05	17.32	16.65	17.13
3734	NASDAQ	ATEC	Mon, Apr 12, 2021	17.49	17.49	16.95	17.10
3733	NASDAQ	ATEC	Fri, Apr 9, 2021	17.53	18.00	17.11	17.60
3732	NASDAQ	ATEC	Thu, Apr 8, 2021	16.13	17.43	15.89	17.38
3731	NASDAQ	ATEC	Wed, Apr 7, 2021	15.94	16.12	15.41	15.60
3730	NASDAQ	ATEC	Tue, Apr 6, 2021	15.41	16.68	15.27	16.03
3729	NASDAQ	ATEC	Mon, Apr 5, 2021	15.88	15.90	15.17	15.34
3728	NASDAQ	ATEC	Thu, Apr 1, 2021	15.70	16.09	15.54	15.59
3727	NASDAQ	ATEC	Wed, Mar 31, 2021	15.32	15.92	15.01	15.79
3726	NASDAQ	ATEC	Tue, Mar 30, 2021	15.05	15.43	14.58	15.31
3725	NASDAQ	ATEC	Mon, Mar 29, 2021	16.19	16.19	15.06	15.10
3724	NASDAQ	ATEC	Fri, Mar 26, 2021	17.13	17.27	15.87	16.33
3723	NASDAQ	ATEC	Thu, Mar 25, 2021	16.50	17.15	15.78	17.05
3722	NASDAQ	ATEC	Wed, Mar 24, 2021	18.32	18.32	16.67	16.68
3721	NASDAQ	ATEC	Tue, Mar 23, 2021	18.81	19.36	17.66	17.93
3720	NASDAQ	ATEC	Mon, Mar 22, 2021	19.02	19.30	18.11	18.78
3719	NASDAQ	ATEC	Fri, Mar 19, 2021	17.90	18.43	17.18	18.29
3718	NASDAQ	ATEC	Thu, Mar 18, 2021	18.19	18.63	17.60	17.74
3717	NASDAQ	ATEC	Wed, Mar 17, 2021	17.26	18.37	16.85	18.17
3716	NASDAQ	ATEC	Tue, Mar 16, 2021	17.54	17.72	16.79	17.36
3715	NASDAQ	ATEC	Mon, Mar 15, 2021	16.97	17.94	16.71	17.10
3714	NASDAQ	ATEC	Fri, Mar 12, 2021	16.87	16.97	16.42	16.76
3713	NASDAQ	ATEC	Thu, Mar 11, 2021	16.72	17.07	16.54	16.99
3712	NASDAQ	ATEC	Wed, Mar 10, 2021	16.99	17.19	16.19	16.59
3711	NASDAQ	ATEC	Tue, Mar 9, 2021	16.12	17.35	16.10	16.62
3710	NASDAQ	ATEC	Mon, Mar 8, 2021	15.56	16.34	15.40	15.92
3709	NASDAQ	ATEC	Fri, Mar 5, 2021	15.51	16.29	13.50	15.24
3708	NASDAQ	ATEC	Thu, Mar 4, 2021	17.07	17.42	15.18	15.92
3707	NASDAQ	ATEC	Wed, Mar 3, 2021	17.19	17.19	16.36	16.50
3706	NASDAQ	ATEC	Tue, Mar 2, 2021	16.58	17.07	16.50	16.81
3705	NASDAQ	ATEC	Mon, Mar 1, 2021	16.96	16.99	16.20	16.54
3704	NASDAQ	ATEC	Fri, Feb 26, 2021	15.80	16.29	15.42	16.05
3703	NASDAQ	ATEC	Thu, Feb 25, 2021	16.43	16.47	15.70	15.83
3702	NASDAQ	ATEC	Wed, Feb 24, 2021	16.23	16.92	16.20	16.46
3701	NASDAQ	ATEC	Tue, Feb 23, 2021	16.40	16.51	15.28	16.09
3700	NASDAQ	ATEC	Mon, Feb 22, 2021	16.28	17.20	16.20	16.59
3699	NASDAQ	ATEC	Fri, Feb 19, 2021	16.54	17.00	16.21	16.48
3698	NASDAQ	ATEC	Thu, Feb 18, 2021	16.26	16.65	15.76	16.52
3697	NASDAQ	ATEC	Wed, Feb 17, 2021	16.56	16.73	16.06	16.43
3696	NASDAQ	ATEC	Tue, Feb 16, 2021	16.50	16.75	16.10	16.67
3695	NASDAQ	ATEC	Fri, Feb 12, 2021	16.16	16.62	15.92	16.41
3694	NASDAQ	ATEC	Thu, Feb 11, 2021	16.00	16.36	15.69	16.21
3693	NASDAQ	ATEC	Wed, Feb 10, 2021	15.99	16.07	15.45	16.01
3692	NASDAQ	ATEC	Tue, Feb 9, 2021	15.81	15.90	15.09	15.81
3691	NASDAQ	ATEC	Mon, Feb 8, 2021	16.08	16.25	15.50	15.73
3690	NASDAQ	ATEC	Fri, Feb 5, 2021	15.47	16.01	15.42	15.97
3689	NASDAQ	ATEC	Thu, Feb 4, 2021	14.95	15.67	14.56	15.21
3688	NASDAQ	ATEC	Wed, Feb 3, 2021	15.80	16.00	14.90	14.90
3687	NASDAQ	ATEC	Tue, Feb 2, 2021	15.20	15.87	15.00	15.60
3686	NASDAQ	ATEC	Mon, Feb 1, 2021	15.12	15.20	14.61	15.10
3685	NASDAQ	ATEC	Fri, Jan 29, 2021	15.14	15.15	14.50	14.88
3684	NASDAQ	ATEC	Thu, Jan 28, 2021	14.30	15.26	14.23	14.89
3683	NASDAQ	ATEC	Wed, Jan 27, 2021	14.24	14.73	14.10	14.15
3682	NASDAQ	ATEC	Tue, Jan 26, 2021	15.00	15.10	14.43	14.60
3681	NASDAQ	ATEC	Mon, Jan 25, 2021	14.86	15.10	14.10	14.92
3680	NASDAQ	ATEC	Fri, Jan 22, 2021	14.40	14.84	14.25	14.81
3679	NASDAQ	ATEC	Thu, Jan 21, 2021	14.87	14.87	14.43	14.56
3678	NASDAQ	ATEC	Wed, Jan 20, 2021	14.50	14.87	14.28	14.87
3677	NASDAQ	ATEC	Tue, Jan 19, 2021	14.44	14.85	14.21	14.34
3676	NASDAQ	ATEC	Fri, Jan 15, 2021	14.21	14.69	13.92	14.25
3675	NASDAQ	ATEC	Thu, Jan 14, 2021	14.00	14.72	13.74	14.63
3674	NASDAQ	ATEC	Wed, Jan 13, 2021	13.80	14.04	13.60	13.99
3673	NASDAQ	ATEC	Tue, Jan 12, 2021	13.10	13.96	13.00	13.73
3672	NASDAQ	ATEC	Mon, Jan 11, 2021	13.11	13.60	12.98	13.13
3671	NASDAQ	ATEC	Fri, Jan 8, 2021	13.42	13.65	12.96	13.38
3670	NASDAQ	ATEC	Thu, Jan 7, 2021	13.90	14.26	13.33	13.36
3669	NASDAQ	ATEC	Wed, Jan 6, 2021	14.05	14.45	13.75	13.90
3668	NASDAQ	ATEC	Tue, Jan 5, 2021	13.94	14.29	13.91	14.10
3667	NASDAQ	ATEC	Mon, Jan 4, 2021	14.30	14.75	13.27	14.04
3666	NASDAQ	ATEC	Thu, Dec 31, 2020	14.55	14.90	14.40	14.52
3665	NASDAQ	ATEC	Wed, Dec 30, 2020	14.16	14.76	14.16	14.47
3664	NASDAQ	ATEC	Tue, Dec 29, 2020	14.36	14.47	13.75	14.18
3663	NASDAQ	ATEC	Mon, Dec 28, 2020	14.39	14.97	14.22	14.34
3662	NASDAQ	ATEC	Thu, Dec 24, 2020	14.13	14.42	13.91	14.10
3661	NASDAQ	ATEC	Wed, Dec 23, 2020	14.50	14.67	13.98	14.11
3660	NASDAQ	ATEC	Tue, Dec 22, 2020	13.75	14.73	13.75	14.48
3659	NASDAQ	ATEC	Mon, Dec 21, 2020	13.77	14.21	13.16	13.72
3658	NASDAQ	ATEC	Fri, Dec 18, 2020	13.79	14.39	13.69	13.91
3657	NASDAQ	ATEC	Thu, Dec 17, 2020	12.67	13.98	12.58	13.48
3656	NASDAQ	ATEC	Wed, Dec 16, 2020	12.43	12.59	11.96	12.52
3655	NASDAQ	ATEC	Tue, Dec 15, 2020	11.85	12.70	11.69	12.34
3654	NASDAQ	ATEC	Mon, Dec 14, 2020	11.61	12.22	11.58	11.68
3653	NASDAQ	ATEC	Fri, Dec 11, 2020	12.04	12.30	11.36	11.59
3652	NASDAQ	ATEC	Thu, Dec 10, 2020	11.52	12.10	11.33	12.05
3651	NASDAQ	ATEC	Wed, Dec 9, 2020	12.14	12.30	11.36	11.62
3650	NASDAQ	ATEC	Tue, Dec 8, 2020	11.97	12.29	11.60	12.12
3649	NASDAQ	ATEC	Mon, Dec 7, 2020	11.59	11.97	11.41	11.89
3648	NASDAQ	ATEC	Fri, Dec 4, 2020	10.96	11.40	10.60	11.34
3647	NASDAQ	ATEC	Thu, Dec 3, 2020	10.44	11.04	10.33	10.94
3646	NASDAQ	ATEC	Wed, Dec 2, 2020	10.23	10.50	10.05	10.46
3645	NASDAQ	ATEC	Tue, Dec 1, 2020	10.68	10.71	10.20	10.23
3644	NASDAQ	ATEC	Mon, Nov 30, 2020	10.57	10.65	9.77	10.50
3643	NASDAQ	ATEC	Fri, Nov 27, 2020	11.10	11.28	9.30	10.60
3642	NASDAQ	ATEC	Wed, Nov 25, 2020	10.57	11.51	10.47	10.95
3641	NASDAQ	ATEC	Tue, Nov 24, 2020	10.69	10.88	10.37	10.57
3640	NASDAQ	ATEC	Mon, Nov 23, 2020	10.94	10.97	10.43	10.55
3639	NASDAQ	ATEC	Fri, Nov 20, 2020	10.23	10.99	10.23	10.80
3638	NASDAQ	ATEC	Thu, Nov 19, 2020	10.61	10.82	10.03	10.31
3637	NASDAQ	ATEC	Wed, Nov 18, 2020	10.22	10.78	10.07	10.57
3636	NASDAQ	ATEC	Tue, Nov 17, 2020	9.95	10.48	9.69	10.22
3635	NASDAQ	ATEC	Mon, Nov 16, 2020	10.40	10.50	9.88	9.97
3634	NASDAQ	ATEC	Fri, Nov 13, 2020	10.03	10.31	9.84	10.27
3633	NASDAQ	ATEC	Thu, Nov 12, 2020	9.53	10.08	9.53	9.91
3632	NASDAQ	ATEC	Wed, Nov 11, 2020	9.74	9.91	9.26	9.63
3631	NASDAQ	ATEC	Tue, Nov 10, 2020	9.83	9.95	9.50	9.73
3630	NASDAQ	ATEC	Mon, Nov 9, 2020	10.56	11.00	9.63	9.82
3629	NASDAQ	ATEC	Fri, Nov 6, 2020	9.85	10.47	9.42	10.16
3628	NASDAQ	ATEC	Thu, Nov 5, 2020	9.41	9.71	9.19	9.38
3627	NASDAQ	ATEC	Wed, Nov 4, 2020	9.29	9.70	9.00	9.29
3626	NASDAQ	ATEC	Tue, Nov 3, 2020	8.63	9.44	8.61	9.34
3625	NASDAQ	ATEC	Mon, Nov 2, 2020	8.69	8.69	8.32	8.49
3624	NASDAQ	ATEC	Fri, Oct 30, 2020	8.87	9.11	8.38	8.54
3623	NASDAQ	ATEC	Thu, Oct 29, 2020	8.46	9.12	8.34	8.97
3622	NASDAQ	ATEC	Wed, Oct 28, 2020	8.28	8.72	8.27	8.46
3621	NASDAQ	ATEC	Tue, Oct 27, 2020	9.02	9.02	8.37	8.67
3620	NASDAQ	ATEC	Mon, Oct 26, 2020	9.43	9.43	8.77	8.89
3619	NASDAQ	ATEC	Fri, Oct 23, 2020	9.50	9.70	9.17	9.54
3618	NASDAQ	ATEC	Thu, Oct 22, 2020	9.86	10.15	8.80	9.35
3617	NASDAQ	ATEC	Wed, Oct 21, 2020	9.98	10.26	9.49	9.75
3616	NASDAQ	ATEC	Tue, Oct 20, 2020	10.33	10.59	9.99	10.00
3615	NASDAQ	ATEC	Mon, Oct 19, 2020	10.16	10.79	9.69	9.88
3614	NASDAQ	ATEC	Fri, Oct 16, 2020	10.26	10.36	9.86	10.11
3613	NASDAQ	ATEC	Thu, Oct 15, 2020	9.96	10.85	9.96	10.28
3612	NASDAQ	ATEC	Wed, Oct 14, 2020	10.38	11.38	9.84	9.97
3611	NASDAQ	ATEC	Tue, Oct 13, 2020	9.58	10.59	9.51	10.25
3610	NASDAQ	ATEC	Mon, Oct 12, 2020	9.62	9.77	9.22	9.75
3609	NASDAQ	ATEC	Fri, Oct 9, 2020	9.20	10.10	9.17	9.68
3608	NASDAQ	ATEC	Thu, Oct 8, 2020	8.06	9.55	8.05	9.42
3607	NASDAQ	ATEC	Wed, Oct 7, 2020	6.85	6.97	6.76	6.88
3606	NASDAQ	ATEC	Tue, Oct 6, 2020	6.77	6.96	6.72	6.75
3605	NASDAQ	ATEC	Mon, Oct 5, 2020	6.53	6.81	6.53	6.70
3604	NASDAQ	ATEC	Fri, Oct 2, 2020	6.20	6.59	6.11	6.51
3603	NASDAQ	ATEC	Thu, Oct 1, 2020	6.76	6.98	6.26	6.37
3602	NASDAQ	ATEC	Wed, Sep 30, 2020	6.88	7.05	6.51	6.64
3601	NASDAQ	ATEC	Tue, Sep 29, 2020	6.95	7.24	6.75	6.87
3600	NASDAQ	ATEC	Mon, Sep 28, 2020	6.83	7.28	6.80	6.94
3599	NASDAQ	ATEC	Fri, Sep 25, 2020	6.50	6.98	6.50	6.94
3598	NASDAQ	ATEC	Thu, Sep 24, 2020	6.16	6.60	6.09	6.55
3597	NASDAQ	ATEC	Wed, Sep 23, 2020	6.13	6.31	5.98	6.19
3596	NASDAQ	ATEC	Tue, Sep 22, 2020	6.03	6.15	5.89	6.15
3595	NASDAQ	ATEC	Mon, Sep 21, 2020	6.00	6.06	5.88	6.00
3594	NASDAQ	ATEC	Fri, Sep 18, 2020	6.08	6.29	5.97	6.17
3593	NASDAQ	ATEC	Thu, Sep 17, 2020	6.02	6.10	5.91	5.99
3592	NASDAQ	ATEC	Wed, Sep 16, 2020	6.14	6.25	5.99	6.10
3591	NASDAQ	ATEC	Tue, Sep 15, 2020	6.31	6.37	5.93	6.08
3590	NASDAQ	ATEC	Mon, Sep 14, 2020	6.05	6.31	6.05	6.28
3589	NASDAQ	ATEC	Fri, Sep 11, 2020	6.14	6.21	5.87	6.00
3588	NASDAQ	ATEC	Thu, Sep 10, 2020	6.10	6.23	5.96	6.14
3587	NASDAQ	ATEC	Wed, Sep 9, 2020	5.76	6.06	5.69	6.04
3586	NASDAQ	ATEC	Tue, Sep 8, 2020	5.67	5.77	5.60	5.71
3585	NASDAQ	ATEC	Fri, Sep 4, 2020	5.76	5.88	5.52	5.72
3584	NASDAQ	ATEC	Thu, Sep 3, 2020	6.29	6.49	5.81	5.83
3583	NASDAQ	ATEC	Wed, Sep 2, 2020	6.49	6.52	5.98	6.09
3582	NASDAQ	ATEC	Tue, Sep 1, 2020	5.98	6.59	5.85	6.50
3581	NASDAQ	ATEC	Mon, Aug 31, 2020	5.98	6.07	5.87	5.99
3580	NASDAQ	ATEC	Fri, Aug 28, 2020	5.92	6.03	5.77	5.99
3579	NASDAQ	ATEC	Thu, Aug 27, 2020	5.79	5.86	5.67	5.84
3578	NASDAQ	ATEC	Wed, Aug 26, 2020	5.70	5.82	5.58	5.82
3577	NASDAQ	ATEC	Tue, Aug 25, 2020	5.79	5.79	5.49	5.66
3576	NASDAQ	ATEC	Mon, Aug 24, 2020	5.73	5.80	5.45	5.77
3575	NASDAQ	ATEC	Fri, Aug 21, 2020	5.78	5.79	5.58	5.65
3574	NASDAQ	ATEC	Thu, Aug 20, 2020	5.82	6.01	5.78	5.83
3573	NASDAQ	ATEC	Wed, Aug 19, 2020	5.75	5.97	5.51	5.87
3572	NASDAQ	ATEC	Tue, Aug 18, 2020	5.80	5.88	5.72	5.76
3571	NASDAQ	ATEC	Mon, Aug 17, 2020	5.90	6.02	5.77	5.78
3570	NASDAQ	ATEC	Fri, Aug 14, 2020	5.95	6.05	5.81	5.89
3569	NASDAQ	ATEC	Thu, Aug 13, 2020	5.85	6.08	5.79	6.03
3568	NASDAQ	ATEC	Wed, Aug 12, 2020	5.93	6.09	5.83	5.89
3567	NASDAQ	ATEC	Tue, Aug 11, 2020	6.42	6.42	5.83	5.86
3566	NASDAQ	ATEC	Mon, Aug 10, 2020	6.68	6.84	6.16	6.43
3565	NASDAQ	ATEC	Fri, Aug 7, 2020	6.05	6.94	5.82	6.76
3564	NASDAQ	ATEC	Thu, Aug 6, 2020	5.51	6.26	5.51	6.11
3563	NASDAQ	ATEC	Wed, Aug 5, 2020	5.20	5.56	5.18	5.55
3562	NASDAQ	ATEC	Tue, Aug 4, 2020	5.04	5.23	4.96	5.16
3561	NASDAQ	ATEC	Mon, Aug 3, 2020	4.99	5.35	4.99	5.04
3560	NASDAQ	ATEC	Fri, Jul 31, 2020	5.08	5.13	4.87	4.97
3559	NASDAQ	ATEC	Thu, Jul 30, 2020	4.99	5.16	4.91	5.14
3558	NASDAQ	ATEC	Wed, Jul 29, 2020	4.88	5.11	4.88	5.08
3557	NASDAQ	ATEC	Tue, Jul 28, 2020	5.15	5.20	4.88	4.88
3556	NASDAQ	ATEC	Mon, Jul 27, 2020	5.15	5.15	5.00	5.12
3555	NASDAQ	ATEC	Fri, Jul 24, 2020	4.95	5.17	4.84	5.10
3554	NASDAQ	ATEC	Thu, Jul 23, 2020	4.94	5.08	4.87	5.05
3553	NASDAQ	ATEC	Wed, Jul 22, 2020	5.14	5.21	4.93	4.93
3552	NASDAQ	ATEC	Tue, Jul 21, 2020	5.11	5.20	5.01	5.17
3551	NASDAQ	ATEC	Mon, Jul 20, 2020	5.10	5.13	4.97	5.06
3550	NASDAQ	ATEC	Fri, Jul 17, 2020	4.93	5.14	4.91	5.12
3549	NASDAQ	ATEC	Thu, Jul 16, 2020	5.06	5.06	4.84	4.93
3548	NASDAQ	ATEC	Wed, Jul 15, 2020	5.02	5.26	4.92	5.11
3547	NASDAQ	ATEC	Tue, Jul 14, 2020	4.56	4.87	4.52	4.86
3546	NASDAQ	ATEC	Mon, Jul 13, 2020	4.50	4.61	4.39	4.50
3545	NASDAQ	ATEC	Fri, Jul 10, 2020	4.42	4.60	4.31	4.45
3544	NASDAQ	ATEC	Thu, Jul 9, 2020	4.50	4.59	4.37	4.43
3543	NASDAQ	ATEC	Wed, Jul 8, 2020	4.55	4.64	4.42	4.48
3542	NASDAQ	ATEC	Tue, Jul 7, 2020	4.68	4.76	4.54	4.55
3541	NASDAQ	ATEC	Mon, Jul 6, 2020	4.99	5.04	4.68	4.68
3540	NASDAQ	ATEC	Thu, Jul 2, 2020	4.80	5.05	4.70	4.96
3539	NASDAQ	ATEC	Wed, Jul 1, 2020	4.68	4.82	4.52	4.70
3538	NASDAQ	ATEC	Tue, Jun 30, 2020	4.62	4.78	4.58	4.70
3537	NASDAQ	ATEC	Mon, Jun 29, 2020	4.46	4.82	4.45	4.65
3536	NASDAQ	ATEC	Fri, Jun 26, 2020	4.60	4.68	4.38	4.40
3535	NASDAQ	ATEC	Thu, Jun 25, 2020	4.85	5.00	4.55	4.60
3534	NASDAQ	ATEC	Wed, Jun 24, 2020	5.07	5.13	4.85	4.87
3533	NASDAQ	ATEC	Tue, Jun 23, 2020	5.25	5.28	5.10	5.18
3532	NASDAQ	ATEC	Mon, Jun 22, 2020	5.14	5.24	5.01	5.16
3531	NASDAQ	ATEC	Fri, Jun 19, 2020	4.90	5.27	4.89	5.15
3530	NASDAQ	ATEC	Thu, Jun 18, 2020	5.24	5.24	4.78	4.78
3529	NASDAQ	ATEC	Wed, Jun 17, 2020	5.05	5.16	4.74	4.88
3528	NASDAQ	ATEC	Tue, Jun 16, 2020	5.33	5.42	4.99	5.02
3527	NASDAQ	ATEC	Mon, Jun 15, 2020	4.92	5.25	4.79	5.23
3526	NASDAQ	ATEC	Fri, Jun 12, 2020	4.96	5.23	4.80	4.96
3525	NASDAQ	ATEC	Thu, Jun 11, 2020	4.91	5.09	4.68	4.72
3524	NASDAQ	ATEC	Wed, Jun 10, 2020	5.33	5.34	5.04	5.16
3523	NASDAQ	ATEC	Tue, Jun 9, 2020	5.31	5.43	5.21	5.33
3522	NASDAQ	ATEC	Mon, Jun 8, 2020	5.67	5.67	5.30	5.41
3521	NASDAQ	ATEC	Fri, Jun 5, 2020	5.65	5.74	5.08	5.59
3520	NASDAQ	ATEC	Thu, Jun 4, 2020	5.08	5.72	5.00	5.47
3519	NASDAQ	ATEC	Wed, Jun 3, 2020	4.75	4.98	4.65	4.94
3518	NASDAQ	ATEC	Tue, Jun 2, 2020	4.62	4.83	4.57	4.65
3517	NASDAQ	ATEC	Mon, Jun 1, 2020	4.46	4.67	4.36	4.57
3516	NASDAQ	ATEC	Fri, May 29, 2020	4.37	4.57	4.32	4.45
3515	NASDAQ	ATEC	Thu, May 28, 2020	4.72	4.73	4.39	4.40
3514	NASDAQ	ATEC	Wed, May 27, 2020	4.65	4.72	4.33	4.68
3513	NASDAQ	ATEC	Tue, May 26, 2020	4.76	4.90	4.55	4.60
3512	NASDAQ	ATEC	Fri, May 22, 2020	4.48	4.58	4.36	4.56
3511	NASDAQ	ATEC	Thu, May 21, 2020	4.39	4.50	4.24	4.47
3510	NASDAQ	ATEC	Wed, May 20, 2020	4.34	4.51	4.28	4.39
3509	NASDAQ	ATEC	Tue, May 19, 2020	4.54	4.54	4.20	4.20
3508	NASDAQ	ATEC	Mon, May 18, 2020	4.36	4.57	4.31	4.56
3507	NASDAQ	ATEC	Fri, May 15, 2020	4.03	4.24	3.99	4.20
3506	NASDAQ	ATEC	Thu, May 14, 2020	4.01	4.13	3.76	4.03
3505	NASDAQ	ATEC	Wed, May 13, 2020	4.50	4.50	4.05	4.06
3504	NASDAQ	ATEC	Tue, May 12, 2020	4.64	4.85	4.33	4.49
3503	NASDAQ	ATEC	Mon, May 11, 2020	4.77	4.84	4.39	4.58
3502	NASDAQ	ATEC	Fri, May 8, 2020	4.63	4.98	4.63	4.88
3501	NASDAQ	ATEC	Thu, May 7, 2020	4.40	4.67	4.33	4.66
3500	NASDAQ	ATEC	Wed, May 6, 2020	4.39	4.53	4.30	4.30
3499	NASDAQ	ATEC	Tue, May 5, 2020	4.52	4.61	4.38	4.43
3498	NASDAQ	ATEC	Mon, May 4, 2020	4.41	4.49	4.29	4.39
3497	NASDAQ	ATEC	Fri, May 1, 2020	4.35	4.56	4.24	4.45
3496	NASDAQ	ATEC	Thu, Apr 30, 2020	4.85	4.93	4.49	4.53
3495	NASDAQ	ATEC	Wed, Apr 29, 2020	4.68	4.98	4.43	4.91
3494	NASDAQ	ATEC	Tue, Apr 28, 2020	4.11	4.69	4.03	4.54
3493	NASDAQ	ATEC	Mon, Apr 27, 2020	3.87	4.20	3.80	3.94
3492	NASDAQ	ATEC	Fri, Apr 24, 2020	3.81	3.85	3.66	3.83
3491	NASDAQ	ATEC	Thu, Apr 23, 2020	3.79	3.93	3.76	3.79
3490	NASDAQ	ATEC	Wed, Apr 22, 2020	3.59	3.84	3.50	3.76
3489	NASDAQ	ATEC	Tue, Apr 21, 2020	3.45	3.61	3.38	3.53
3488	NASDAQ	ATEC	Mon, Apr 20, 2020	3.55	3.66	3.46	3.54
3487	NASDAQ	ATEC	Fri, Apr 17, 2020	3.81	3.82	3.54	3.63
3486	NASDAQ	ATEC	Thu, Apr 16, 2020	3.80	3.86	3.53	3.58
3485	NASDAQ	ATEC	Wed, Apr 15, 2020	3.83	4.02	3.76	3.80
3484	NASDAQ	ATEC	Tue, Apr 14, 2020	4.05	4.32	4.03	4.09
3483	NASDAQ	ATEC	Mon, Apr 13, 2020	3.98	4.01	3.60	3.93
3482	NASDAQ	ATEC	Thu, Apr 9, 2020	4.18	4.18	3.78	3.94
3481	NASDAQ	ATEC	Wed, Apr 8, 2020	3.64	4.11	3.57	4.04
3480	NASDAQ	ATEC	Tue, Apr 7, 2020	3.74	3.74	3.40	3.57
3479	NASDAQ	ATEC	Mon, Apr 6, 2020	3.40	3.62	3.30	3.58
3478	NASDAQ	ATEC	Fri, Apr 3, 2020	3.20	3.28	3.08	3.20
3477	NASDAQ	ATEC	Thu, Apr 2, 2020	3.10	3.34	3.10	3.22
3476	NASDAQ	ATEC	Wed, Apr 1, 2020	3.23	3.40	3.02	3.05
3475	NASDAQ	ATEC	Tue, Mar 31, 2020	3.57	3.69	3.32	3.45
3474	NASDAQ	ATEC	Mon, Mar 30, 2020	3.64	3.73	3.50	3.60
3473	NASDAQ	ATEC	Fri, Mar 27, 2020	3.65	3.78	3.30	3.78
3472	NASDAQ	ATEC	Thu, Mar 26, 2020	3.16	3.72	3.08	3.70
3471	NASDAQ	ATEC	Wed, Mar 25, 2020	2.87	3.25	2.71	3.05
3470	NASDAQ	ATEC	Tue, Mar 24, 2020	2.55	3.00	2.52	2.72
3469	NASDAQ	ATEC	Mon, Mar 23, 2020	2.38	2.48	2.19	2.26
3468	NASDAQ	ATEC	Fri, Mar 20, 2020	2.51	2.75	2.32	2.35
3467	NASDAQ	ATEC	Thu, Mar 19, 2020	2.34	2.72	2.31	2.44
3466	NASDAQ	ATEC	Wed, Mar 18, 2020	2.82	2.94	2.30	2.31
3465	NASDAQ	ATEC	Tue, Mar 17, 2020	3.46	3.50	2.89	3.05
3464	NASDAQ	ATEC	Mon, Mar 16, 2020	3.51	3.74	3.20	3.32
3463	NASDAQ	ATEC	Fri, Mar 13, 2020	3.84	3.98	3.74	3.88
3462	NASDAQ	ATEC	Thu, Mar 12, 2020	3.75	3.96	3.44	3.51
3461	NASDAQ	ATEC	Wed, Mar 11, 2020	4.72	4.82	4.31	4.41
3460	NASDAQ	ATEC	Tue, Mar 10, 2020	5.21	5.25	4.75	4.80
3459	NASDAQ	ATEC	Mon, Mar 9, 2020	5.10	5.20	4.74	4.91
3458	NASDAQ	ATEC	Fri, Mar 6, 2020	5.80	5.88	5.36	5.55
3457	NASDAQ	ATEC	Thu, Mar 5, 2020	5.96	6.35	5.86	5.92
3456	NASDAQ	ATEC	Wed, Mar 4, 2020	6.02	6.17	5.84	6.06
3455	NASDAQ	ATEC	Tue, Mar 3, 2020	6.37	6.58	5.80	5.84
3454	NASDAQ	ATEC	Mon, Mar 2, 2020	6.01	6.77	6.01	6.40
3453	NASDAQ	ATEC	Fri, Feb 28, 2020	5.15	6.14	4.35	5.85
3452	NASDAQ	ATEC	Thu, Feb 27, 2020	6.00	6.36	5.58	6.26
3451	NASDAQ	ATEC	Wed, Feb 26, 2020	6.22	6.35	6.02	6.10
3450	NASDAQ	ATEC	Tue, Feb 25, 2020	6.58	6.65	6.20	6.22
3449	NASDAQ	ATEC	Mon, Feb 24, 2020	6.49	6.61	6.43	6.56
3448	NASDAQ	ATEC	Fri, Feb 21, 2020	6.66	6.68	6.51	6.64
3447	NASDAQ	ATEC	Thu, Feb 20, 2020	6.80	6.83	6.51	6.68
3446	NASDAQ	ATEC	Wed, Feb 19, 2020	6.73	6.93	6.73	6.80
3445	NASDAQ	ATEC	Tue, Feb 18, 2020	6.82	6.98	6.68	6.73
3444	NASDAQ	ATEC	Fri, Feb 14, 2020	6.40	6.97	6.34	6.89
3443	NASDAQ	ATEC	Thu, Feb 13, 2020	6.48	6.54	6.38	6.40
3442	NASDAQ	ATEC	Wed, Feb 12, 2020	6.60	6.61	6.45	6.49
3441	NASDAQ	ATEC	Tue, Feb 11, 2020	6.66	6.66	6.51	6.58
3440	NASDAQ	ATEC	Mon, Feb 10, 2020	6.70	6.75	6.63	6.66
3439	NASDAQ	ATEC	Fri, Feb 7, 2020	6.70	6.86	6.60	6.68
3438	NASDAQ	ATEC	Thu, Feb 6, 2020	6.65	6.79	6.50	6.73
3437	NASDAQ	ATEC	Wed, Feb 5, 2020	7.02	7.02	6.60	6.62
3436	NASDAQ	ATEC	Tue, Feb 4, 2020	7.00	7.08	6.90	6.98
3435	NASDAQ	ATEC	Mon, Feb 3, 2020	6.99	7.16	6.87	6.91
3434	NASDAQ	ATEC	Fri, Jan 31, 2020	6.93	7.15	6.69	6.96
3433	NASDAQ	ATEC	Thu, Jan 30, 2020	6.71	7.12	6.70	6.97
3432	NASDAQ	ATEC	Wed, Jan 29, 2020	6.45	6.83	6.21	6.80
3431	NASDAQ	ATEC	Tue, Jan 28, 2020	6.30	6.56	6.30	6.44
3430	NASDAQ	ATEC	Mon, Jan 27, 2020	6.30	6.35	6.09	6.25
3429	NASDAQ	ATEC	Fri, Jan 24, 2020	6.77	6.86	6.28	6.36
3428	NASDAQ	ATEC	Thu, Jan 23, 2020	6.79	7.07	6.65	6.74
3427	NASDAQ	ATEC	Wed, Jan 22, 2020	6.91	7.93	6.72	6.74
3426	NASDAQ	ATEC	Tue, Jan 21, 2020	7.37	7.48	6.76	6.84
3425	NASDAQ	ATEC	Fri, Jan 17, 2020	7.50	7.57	7.36	7.43
3424	NASDAQ	ATEC	Thu, Jan 16, 2020	7.35	7.58	7.25	7.47
3423	NASDAQ	ATEC	Wed, Jan 15, 2020	7.46	7.93	7.08	7.29
3422	NASDAQ	ATEC	Tue, Jan 14, 2020	7.39	7.54	7.13	7.43
3421	NASDAQ	ATEC	Mon, Jan 13, 2020	6.85	7.59	6.74	7.36
3420	NASDAQ	ATEC	Fri, Jan 10, 2020	6.68	6.72	6.47	6.47
3419	NASDAQ	ATEC	Thu, Jan 9, 2020	6.84	6.84	6.57	6.65
3418	NASDAQ	ATEC	Wed, Jan 8, 2020	6.75	6.89	6.65	6.74
3417	NASDAQ	ATEC	Tue, Jan 7, 2020	6.82	6.96	6.69	6.76
3416	NASDAQ	ATEC	Mon, Jan 6, 2020	6.76	7.00	6.63	6.85
3415	NASDAQ	ATEC	Fri, Jan 3, 2020	6.90	6.97	6.74	6.82
3414	NASDAQ	ATEC	Thu, Jan 2, 2020	7.13	7.17	6.73	6.97
3413	NASDAQ	ATEC	Tue, Dec 31, 2019	7.02	7.15	6.82	7.10
3412	NASDAQ	ATEC	Mon, Dec 30, 2019	7.09	7.22	6.95	7.05
3411	NASDAQ	ATEC	Fri, Dec 27, 2019	7.35	7.35	7.05	7.09
3410	NASDAQ	ATEC	Thu, Dec 26, 2019	7.13	7.35	7.11	7.27
3409	NASDAQ	ATEC	Tue, Dec 24, 2019	7.18	7.24	6.96	7.11
3408	NASDAQ	ATEC	Mon, Dec 23, 2019	7.02	7.14	6.91	7.05
3407	NASDAQ	ATEC	Fri, Dec 20, 2019	7.21	7.25	6.96	7.02
3406	NASDAQ	ATEC	Thu, Dec 19, 2019	7.54	7.60	7.10	7.21
3405	NASDAQ	ATEC	Wed, Dec 18, 2019	7.69	7.75	7.24	7.45
3404	NASDAQ	ATEC	Tue, Dec 17, 2019	7.06	7.71	7.06	7.65
3403	NASDAQ	ATEC	Mon, Dec 16, 2019	6.57	6.98	6.53	6.91
3402	NASDAQ	ATEC	Fri, Dec 13, 2019	6.56	6.62	6.50	6.57
3401	NASDAQ	ATEC	Thu, Dec 12, 2019	6.48	6.60	6.37	6.56
3400	NASDAQ	ATEC	Wed, Dec 11, 2019	6.58	6.60	6.46	6.51
3399	NASDAQ	ATEC	Tue, Dec 10, 2019	6.60	6.71	6.45	6.57
3398	NASDAQ	ATEC	Mon, Dec 9, 2019	6.73	6.79	6.56	6.60
3397	NASDAQ	ATEC	Fri, Dec 6, 2019	6.89	6.93	6.68	6.72
3396	NASDAQ	ATEC	Thu, Dec 5, 2019	6.90	6.98	6.83	6.88
3395	NASDAQ	ATEC	Wed, Dec 4, 2019	6.91	6.96	6.81	6.89
3394	NASDAQ	ATEC	Tue, Dec 3, 2019	6.77	7.04	6.74	6.88
3393	NASDAQ	ATEC	Mon, Dec 2, 2019	7.00	7.04	6.81	6.85
3392	NASDAQ	ATEC	Fri, Nov 29, 2019	7.08	7.16	6.95	7.05
3391	NASDAQ	ATEC	Wed, Nov 27, 2019	7.10	7.24	6.93	7.23
3390	NASDAQ	ATEC	Tue, Nov 26, 2019	7.07	7.14	6.68	7.08
3389	NASDAQ	ATEC	Mon, Nov 25, 2019	7.31	7.49	7.07	7.10
3388	NASDAQ	ATEC	Fri, Nov 22, 2019	7.21	7.33	7.16	7.28
3387	NASDAQ	ATEC	Thu, Nov 21, 2019	7.53	7.58	7.13	7.17
3386	NASDAQ	ATEC	Wed, Nov 20, 2019	7.26	7.55	7.20	7.53
3385	NASDAQ	ATEC	Tue, Nov 19, 2019	7.37	7.68	7.26	7.28
3384	NASDAQ	ATEC	Mon, Nov 18, 2019	7.20	7.46	7.09	7.37
3383	NASDAQ	ATEC	Fri, Nov 15, 2019	6.97	7.22	6.90	7.18
3382	NASDAQ	ATEC	Thu, Nov 14, 2019	6.75	7.06	6.75	6.92
3381	NASDAQ	ATEC	Wed, Nov 13, 2019	7.05	7.05	6.76	6.97
3380	NASDAQ	ATEC	Tue, Nov 12, 2019	6.56	6.88	6.56	6.86
3379	NASDAQ	ATEC	Mon, Nov 11, 2019	6.58	6.73	6.44	6.55
3378	NASDAQ	ATEC	Fri, Nov 8, 2019	6.87	6.98	6.71	6.74
3377	NASDAQ	ATEC	Thu, Nov 7, 2019	6.87	7.06	6.80	6.87
3376	NASDAQ	ATEC	Wed, Nov 6, 2019	7.00	7.17	6.80	6.84
3375	NASDAQ	ATEC	Tue, Nov 5, 2019	7.02	7.24	6.82	7.05
3374	NASDAQ	ATEC	Mon, Nov 4, 2019	6.83	7.14	6.73	6.93
3373	NASDAQ	ATEC	Fri, Nov 1, 2019	6.80	7.06	6.59	6.71
3372	NASDAQ	ATEC	Thu, Oct 31, 2019	6.24	6.95	6.09	6.88
3371	NASDAQ	ATEC	Wed, Oct 30, 2019	6.02	6.48	5.96	6.19
3370	NASDAQ	ATEC	Tue, Oct 29, 2019	5.84	5.99	5.76	5.97
3369	NASDAQ	ATEC	Mon, Oct 28, 2019	5.75	5.92	5.75	5.80
3368	NASDAQ	ATEC	Fri, Oct 25, 2019	5.74	5.89	5.71	5.76
3367	NASDAQ	ATEC	Thu, Oct 24, 2019	5.89	5.97	5.67	5.77
3366	NASDAQ	ATEC	Wed, Oct 23, 2019	5.70	6.00	5.65	5.89
3365	NASDAQ	ATEC	Tue, Oct 22, 2019	5.44	5.77	5.44	5.70
3364	NASDAQ	ATEC	Mon, Oct 21, 2019	5.44	5.60	5.40	5.49
3363	NASDAQ	ATEC	Fri, Oct 18, 2019	5.52	5.60	5.28	5.38
3362	NASDAQ	ATEC	Thu, Oct 17, 2019	5.38	5.53	5.35	5.48
3361	NASDAQ	ATEC	Wed, Oct 16, 2019	5.23	5.49	5.17	5.37
3360	NASDAQ	ATEC	Tue, Oct 15, 2019	5.17	5.45	5.10	5.26
3359	NASDAQ	ATEC	Mon, Oct 14, 2019	5.06	5.21	5.01	5.18
3358	NASDAQ	ATEC	Fri, Oct 11, 2019	5.00	5.22	4.96	5.05
3357	NASDAQ	ATEC	Thu, Oct 10, 2019	4.73	5.03	4.73	4.98
3356	NASDAQ	ATEC	Wed, Oct 9, 2019	4.80	4.89	4.58	4.82
3355	NASDAQ	ATEC	Tue, Oct 8, 2019	4.81	4.81	4.63	4.77
3354	NASDAQ	ATEC	Mon, Oct 7, 2019	4.96	4.97	4.75	4.79
3353	NASDAQ	ATEC	Fri, Oct 4, 2019	4.99	5.22	4.83	4.96
3352	NASDAQ	ATEC	Thu, Oct 3, 2019	4.86	4.98	4.78	4.98
3351	NASDAQ	ATEC	Wed, Oct 2, 2019	4.88	4.88	4.76	4.87
3350	NASDAQ	ATEC	Tue, Oct 1, 2019	5.03	5.12	4.83	4.89
3349	NASDAQ	ATEC	Mon, Sep 30, 2019	5.13	5.20	5.00	5.02
3348	NASDAQ	ATEC	Fri, Sep 27, 2019	5.27	5.27	5.00	5.13
3347	NASDAQ	ATEC	Thu, Sep 26, 2019	5.30	5.32	5.08	5.15
3346	NASDAQ	ATEC	Wed, Sep 25, 2019	5.52	5.52	5.24	5.31
3345	NASDAQ	ATEC	Tue, Sep 24, 2019	5.71	5.81	5.35	5.49
3344	NASDAQ	ATEC	Mon, Sep 23, 2019	5.65	5.78	5.48	5.70
3343	NASDAQ	ATEC	Fri, Sep 20, 2019	5.86	5.97	5.61	5.66
3342	NASDAQ	ATEC	Thu, Sep 19, 2019	5.73	5.95	5.70	5.88
3341	NASDAQ	ATEC	Wed, Sep 18, 2019	5.53	5.84	5.48	5.71
3340	NASDAQ	ATEC	Tue, Sep 17, 2019	5.69	5.81	5.47	5.52
3339	NASDAQ	ATEC	Mon, Sep 16, 2019	5.58	5.83	5.48	5.67
3338	NASDAQ	ATEC	Fri, Sep 13, 2019	5.36	5.67	5.36	5.60
3337	NASDAQ	ATEC	Thu, Sep 12, 2019	5.17	5.37	5.15	5.33
3336	NASDAQ	ATEC	Wed, Sep 11, 2019	5.15	5.33	5.09	5.16
3335	NASDAQ	ATEC	Tue, Sep 10, 2019	5.10	5.28	5.03	5.15
3334	NASDAQ	ATEC	Mon, Sep 9, 2019	5.20	5.28	5.07	5.12
3333	NASDAQ	ATEC	Fri, Sep 6, 2019	5.29	5.34	5.17	5.20
3332	NASDAQ	ATEC	Thu, Sep 5, 2019	5.09	5.34	5.03	5.29
3331	NASDAQ	ATEC	Wed, Sep 4, 2019	5.08	5.16	5.00	5.05
3330	NASDAQ	ATEC	Tue, Sep 3, 2019	5.16	5.27	4.90	5.02
3329	NASDAQ	ATEC	Fri, Aug 30, 2019	5.30	5.30	5.10	5.23
3328	NASDAQ	ATEC	Thu, Aug 29, 2019	5.40	5.40	5.15	5.20
3327	NASDAQ	ATEC	Wed, Aug 28, 2019	5.41	5.63	5.31	5.36
3326	NASDAQ	ATEC	Tue, Aug 27, 2019	5.51	5.69	5.16	5.27
3325	NASDAQ	ATEC	Mon, Aug 26, 2019	5.81	5.86	5.38	5.40
3324	NASDAQ	ATEC	Fri, Aug 23, 2019	5.90	6.00	5.79	5.82
3323	NASDAQ	ATEC	Thu, Aug 22, 2019	5.99	6.02	5.82	5.90
3322	NASDAQ	ATEC	Wed, Aug 21, 2019	6.16	6.20	5.89	5.99
3321	NASDAQ	ATEC	Tue, Aug 20, 2019	6.20	6.22	6.01	6.13
3320	NASDAQ	ATEC	Mon, Aug 19, 2019	6.06	6.29	6.02	6.20
3319	NASDAQ	ATEC	Fri, Aug 16, 2019	5.73	6.11	5.73	6.01
3318	NASDAQ	ATEC	Thu, Aug 15, 2019	5.93	6.02	5.40	5.73
3317	NASDAQ	ATEC	Wed, Aug 14, 2019	6.19	6.19	5.90	5.92
3316	NASDAQ	ATEC	Tue, Aug 13, 2019	6.21	6.35	5.91	6.16
3315	NASDAQ	ATEC	Mon, Aug 12, 2019	5.87	6.25	5.73	6.22
3314	NASDAQ	ATEC	Fri, Aug 9, 2019	5.76	6.00	5.66	5.87
3313	NASDAQ	ATEC	Thu, Aug 8, 2019	5.46	5.96	5.45	5.80
3312	NASDAQ	ATEC	Wed, Aug 7, 2019	5.17	5.50	5.12	5.43
3311	NASDAQ	ATEC	Tue, Aug 6, 2019	5.34	5.47	5.09	5.20
3310	NASDAQ	ATEC	Mon, Aug 5, 2019	4.99	5.30	4.75	5.18
3309	NASDAQ	ATEC	Fri, Aug 2, 2019	4.84	4.89	4.66	4.80
3308	NASDAQ	ATEC	Thu, Aug 1, 2019	4.74	4.93	4.70	4.77
3307	NASDAQ	ATEC	Wed, Jul 31, 2019	4.81	5.05	4.62	4.70
3306	NASDAQ	ATEC	Tue, Jul 30, 2019	4.94	5.20	4.82	5.06
3305	NASDAQ	ATEC	Mon, Jul 29, 2019	5.24	5.29	4.88	5.00
3304	NASDAQ	ATEC	Fri, Jul 26, 2019	5.12	5.46	5.12	5.17
3303	NASDAQ	ATEC	Thu, Jul 25, 2019	4.75	5.24	4.51	5.04
3302	NASDAQ	ATEC	Wed, Jul 24, 2019	4.63	4.72	4.43	4.60
3301	NASDAQ	ATEC	Tue, Jul 23, 2019	4.65	4.69	4.52	4.61
3300	NASDAQ	ATEC	Mon, Jul 22, 2019	4.57	4.63	4.40	4.60
3299	NASDAQ	ATEC	Fri, Jul 19, 2019	4.61	4.67	4.46	4.49
3298	NASDAQ	ATEC	Thu, Jul 18, 2019	4.70	4.95	4.61	4.64
3297	NASDAQ	ATEC	Wed, Jul 17, 2019	4.56	4.72	4.30	4.69
3296	NASDAQ	ATEC	Tue, Jul 16, 2019	4.46	4.46	4.06	4.29
3295	NASDAQ	ATEC	Mon, Jul 15, 2019	4.42	4.52	4.36	4.44
3294	NASDAQ	ATEC	Fri, Jul 12, 2019	4.48	4.50	4.31	4.35
3293	NASDAQ	ATEC	Thu, Jul 11, 2019	4.58	4.58	4.40	4.45
3292	NASDAQ	ATEC	Wed, Jul 10, 2019	4.64	4.64	4.48	4.55
3291	NASDAQ	ATEC	Tue, Jul 9, 2019	4.42	4.62	4.40	4.59
3290	NASDAQ	ATEC	Mon, Jul 8, 2019	4.31	4.58	4.27	4.41
3289	NASDAQ	ATEC	Fri, Jul 5, 2019	4.67	4.79	4.21	4.27
3288	NASDAQ	ATEC	Wed, Jul 3, 2019	4.71	4.71	4.61	4.67
3287	NASDAQ	ATEC	Tue, Jul 2, 2019	4.65	4.68	4.54	4.65
3286	NASDAQ	ATEC	Mon, Jul 1, 2019	4.68	4.84	4.53	4.66
3285	NASDAQ	ATEC	Fri, Jun 28, 2019	4.38	4.65	4.33	4.54
3284	NASDAQ	ATEC	Thu, Jun 27, 2019	4.30	4.36	4.21	4.33
3283	NASDAQ	ATEC	Wed, Jun 26, 2019	4.60	4.60	4.10	4.29
3282	NASDAQ	ATEC	Tue, Jun 25, 2019	4.22	4.38	4.04	4.07
3281	NASDAQ	ATEC	Mon, Jun 24, 2019	4.36	4.38	4.22	4.22
3280	NASDAQ	ATEC	Fri, Jun 21, 2019	4.40	4.43	4.21	4.37
3279	NASDAQ	ATEC	Thu, Jun 20, 2019	4.44	4.49	4.15	4.38
3278	NASDAQ	ATEC	Wed, Jun 19, 2019	4.42	4.48	4.39	4.39
3277	NASDAQ	ATEC	Tue, Jun 18, 2019	4.60	4.60	4.36	4.39
3276	NASDAQ	ATEC	Mon, Jun 17, 2019	4.74	4.76	4.52	4.58
3275	NASDAQ	ATEC	Fri, Jun 14, 2019	4.80	4.81	4.50	4.72
3274	NASDAQ	ATEC	Thu, Jun 13, 2019	4.58	4.85	4.50	4.77
3273	NASDAQ	ATEC	Wed, Jun 12, 2019	4.47	4.64	4.46	4.57
3272	NASDAQ	ATEC	Tue, Jun 11, 2019	4.59	4.61	4.32	4.46
3271	NASDAQ	ATEC	Mon, Jun 10, 2019	4.23	4.71	4.18	4.58
3270	NASDAQ	ATEC	Fri, Jun 7, 2019	4.10	4.29	4.08	4.21
3269	NASDAQ	ATEC	Thu, Jun 6, 2019	4.09	4.39	4.06	4.07
3268	NASDAQ	ATEC	Wed, Jun 5, 2019	3.98	4.20	3.93	4.10
3267	NASDAQ	ATEC	Tue, Jun 4, 2019	3.72	3.99	3.72	3.93
3266	NASDAQ	ATEC	Mon, Jun 3, 2019	3.95	4.03	3.70	3.72
3265	NASDAQ	ATEC	Fri, May 31, 2019	3.91	3.98	3.81	3.94
3264	NASDAQ	ATEC	Thu, May 30, 2019	3.90	3.98	3.88	3.95
3263	NASDAQ	ATEC	Wed, May 29, 2019	3.94	4.07	3.82	3.87
3262	NASDAQ	ATEC	Tue, May 28, 2019	4.08	4.11	3.93	3.94
3261	NASDAQ	ATEC	Fri, May 24, 2019	3.92	4.15	3.92	4.07
3260	NASDAQ	ATEC	Thu, May 23, 2019	3.81	3.93	3.60	3.90
3259	NASDAQ	ATEC	Wed, May 22, 2019	3.99	4.07	3.83	3.88
3258	NASDAQ	ATEC	Tue, May 21, 2019	4.21	4.24	4.06	4.09
3257	NASDAQ	ATEC	Mon, May 20, 2019	4.15	4.38	4.11	4.22
3256	NASDAQ	ATEC	Fri, May 17, 2019	4.45	4.50	4.09	4.15
3255	NASDAQ	ATEC	Thu, May 16, 2019	4.75	4.77	4.25	4.44
3254	NASDAQ	ATEC	Wed, May 15, 2019	4.45	4.79	4.37	4.69
3253	NASDAQ	ATEC	Tue, May 14, 2019	4.15	4.49	3.96	4.48
3252	NASDAQ	ATEC	Mon, May 13, 2019	4.00	4.15	3.77	4.12
3251	NASDAQ	ATEC	Fri, May 10, 2019	3.85	4.14	3.66	4.08
3250	NASDAQ	ATEC	Thu, May 9, 2019	3.90	3.96	3.64	3.79
3249	NASDAQ	ATEC	Wed, May 8, 2019	3.77	3.95	3.67	3.87
3248	NASDAQ	ATEC	Tue, May 7, 2019	3.65	3.84	3.53	3.73
3247	NASDAQ	ATEC	Mon, May 6, 2019	3.74	3.76	3.54	3.62
3246	NASDAQ	ATEC	Fri, May 3, 2019	3.57	3.84	3.52	3.76
3245	NASDAQ	ATEC	Thu, May 2, 2019	3.98	4.00	3.42	3.57
3244	NASDAQ	ATEC	Wed, May 1, 2019	4.17	4.17	3.81	3.94
3243	NASDAQ	ATEC	Tue, Apr 30, 2019	3.75	4.25	3.63	4.25
3242	NASDAQ	ATEC	Mon, Apr 29, 2019	3.15	3.65	3.07	3.65
3241	NASDAQ	ATEC	Fri, Apr 26, 2019	3.00	3.19	2.92	3.15
3240	NASDAQ	ATEC	Thu, Apr 25, 2019	2.92	3.05	2.80	2.99
3239	NASDAQ	ATEC	Wed, Apr 24, 2019	2.82	3.00	2.77	2.92
3238	NASDAQ	ATEC	Tue, Apr 23, 2019	2.76	2.85	2.72	2.81
3237	NASDAQ	ATEC	Mon, Apr 22, 2019	2.71	2.81	2.67	2.80
3236	NASDAQ	ATEC	Thu, Apr 18, 2019	2.69	2.73	2.67	2.70
3235	NASDAQ	ATEC	Wed, Apr 17, 2019	2.72	2.72	2.67	2.68
3234	NASDAQ	ATEC	Tue, Apr 16, 2019	2.67	2.76	2.66	2.72
3233	NASDAQ	ATEC	Mon, Apr 15, 2019	2.69	2.74	2.62	2.72
3232	NASDAQ	ATEC	Fri, Apr 12, 2019	2.70	2.82	2.65	2.65
3231	NASDAQ	ATEC	Thu, Apr 11, 2019	2.67	2.85	2.62	2.72
3230	NASDAQ	ATEC	Wed, Apr 10, 2019	2.62	2.71	2.53	2.67
3229	NASDAQ	ATEC	Tue, Apr 9, 2019	2.65	2.76	2.51	2.60
3228	NASDAQ	ATEC	Mon, Apr 8, 2019	2.67	2.72	2.57	2.63
3227	NASDAQ	ATEC	Fri, Apr 5, 2019	2.71	2.84	2.60	2.65
3226	NASDAQ	ATEC	Thu, Apr 4, 2019	2.67	2.87	2.67	2.70
3225	NASDAQ	ATEC	Wed, Apr 3, 2019	2.75	2.89	2.63	2.73
3224	NASDAQ	ATEC	Tue, Apr 2, 2019	2.70	2.74	2.61	2.74
3223	NASDAQ	ATEC	Mon, Apr 1, 2019	2.69	2.77	2.60	2.70
3222	NASDAQ	ATEC	Fri, Mar 29, 2019	2.60	2.74	2.53	2.65
3221	NASDAQ	ATEC	Thu, Mar 28, 2019	2.74	2.75	2.57	2.58
3220	NASDAQ	ATEC	Wed, Mar 27, 2019	2.75	2.80	2.71	2.76
3219	NASDAQ	ATEC	Tue, Mar 26, 2019	2.67	2.80	2.61	2.75
3218	NASDAQ	ATEC	Mon, Mar 25, 2019	2.64	2.71	2.51	2.67
3217	NASDAQ	ATEC	Fri, Mar 22, 2019	2.70	2.70	2.52	2.64
3216	NASDAQ	ATEC	Thu, Mar 21, 2019	2.76	2.81	2.70	2.70
3215	NASDAQ	ATEC	Wed, Mar 20, 2019	2.74	2.78	2.65	2.78
3214	NASDAQ	ATEC	Tue, Mar 19, 2019	2.79	2.85	2.74	2.74
3213	NASDAQ	ATEC	Mon, Mar 18, 2019	2.90	2.93	2.72	2.75
3212	NASDAQ	ATEC	Fri, Mar 15, 2019	2.90	2.93	2.74	2.92
3211	NASDAQ	ATEC	Thu, Mar 14, 2019	2.73	2.91	2.65	2.90
3210	NASDAQ	ATEC	Wed, Mar 13, 2019	2.62	2.75	2.62	2.70
3209	NASDAQ	ATEC	Tue, Mar 12, 2019	2.60	2.60	2.30	2.53
3208	NASDAQ	ATEC	Mon, Mar 11, 2019	2.48	2.71	2.40	2.60
3207	NASDAQ	ATEC	Fri, Mar 8, 2019	2.26	2.52	2.18	2.49
3206	NASDAQ	ATEC	Thu, Mar 7, 2019	2.17	2.45	2.07	2.33
3205	NASDAQ	ATEC	Wed, Mar 6, 2019	2.15	2.32	2.05	2.17
3204	NASDAQ	ATEC	Tue, Mar 5, 2019	1.97	2.15	1.92	2.12
3203	NASDAQ	ATEC	Mon, Mar 4, 2019	1.65	2.11	1.64	2.02
3202	NASDAQ	ATEC	Fri, Mar 1, 2019	1.60	1.68	1.56	1.61
3201	NASDAQ	ATEC	Thu, Feb 28, 2019	1.60	1.60	1.54	1.59
3200	NASDAQ	ATEC	Wed, Feb 27, 2019	1.65	1.66	1.54	1.60
3199	NASDAQ	ATEC	Tue, Feb 26, 2019	1.60	1.64	1.45	1.62
3198	NASDAQ	ATEC	Mon, Feb 25, 2019	1.89	2.00	1.51	1.59
3197	NASDAQ	ATEC	Fri, Feb 22, 2019	1.43	1.46	1.40	1.46
3196	NASDAQ	ATEC	Thu, Feb 21, 2019	1.45	1.46	1.41	1.42
3195	NASDAQ	ATEC	Wed, Feb 20, 2019	1.42	1.42	1.37	1.40
3194	NASDAQ	ATEC	Tue, Feb 19, 2019	1.41	1.43	1.38	1.40
3193	NASDAQ	ATEC	Fri, Feb 15, 2019	1.42	1.44	1.40	1.40
3192	NASDAQ	ATEC	Thu, Feb 14, 2019	1.52	1.52	1.38	1.42
3191	NASDAQ	ATEC	Wed, Feb 13, 2019	1.62	1.62	1.45	1.51
3190	NASDAQ	ATEC	Tue, Feb 12, 2019	1.48	1.63	1.40	1.58
3189	NASDAQ	ATEC	Mon, Feb 11, 2019	1.28	1.45	1.23	1.39
3188	NASDAQ	ATEC	Fri, Feb 8, 2019	1.20	1.27	1.18	1.20
3187	NASDAQ	ATEC	Thu, Feb 7, 2019	1.28	1.28	1.19	1.19
3186	NASDAQ	ATEC	Wed, Feb 6, 2019	1.32	1.32	1.26	1.28
3185	NASDAQ	ATEC	Tue, Feb 5, 2019	1.35	1.37	1.29	1.31
3184	NASDAQ	ATEC	Mon, Feb 4, 2019	1.33	1.36	1.30	1.33
3183	NASDAQ	ATEC	Fri, Feb 1, 2019	1.33	1.38	1.28	1.30
3182	NASDAQ	ATEC	Thu, Jan 31, 2019	1.53	1.58	1.20	1.30
3181	NASDAQ	ATEC	Wed, Jan 30, 2019	1.58	1.61	1.50	1.53
3180	NASDAQ	ATEC	Tue, Jan 29, 2019	1.63	1.64	1.58	1.59
3179	NASDAQ	ATEC	Mon, Jan 28, 2019	1.67	1.67	1.58	1.62
3178	NASDAQ	ATEC	Fri, Jan 25, 2019	1.69	1.70	1.59	1.61
3177	NASDAQ	ATEC	Thu, Jan 24, 2019	1.60	1.68	1.58	1.60
3176	NASDAQ	ATEC	Wed, Jan 23, 2019	1.66	1.71	1.51	1.59
3175	NASDAQ	ATEC	Tue, Jan 22, 2019	1.75	1.78	1.62	1.65
3174	NASDAQ	ATEC	Fri, Jan 18, 2019	1.81	1.81	1.70	1.72
3173	NASDAQ	ATEC	Thu, Jan 17, 2019	1.84	1.88	1.75	1.78
3172	NASDAQ	ATEC	Wed, Jan 16, 2019	1.85	1.90	1.78	1.82
3171	NASDAQ	ATEC	Tue, Jan 15, 2019	1.89	1.93	1.80	1.84
3170	NASDAQ	ATEC	Mon, Jan 14, 2019	1.96	2.03	1.77	1.85
3169	NASDAQ	ATEC	Fri, Jan 11, 2019	1.98	2.10	1.95	1.95
3168	NASDAQ	ATEC	Thu, Jan 10, 2019	2.04	2.09	1.97	1.98
3167	NASDAQ	ATEC	Wed, Jan 9, 2019	2.08	2.15	2.02	2.05
3166	NASDAQ	ATEC	Tue, Jan 8, 2019	2.03	2.14	2.01	2.05
3165	NASDAQ	ATEC	Mon, Jan 7, 2019	2.20	2.20	2.01	2.03
3164	NASDAQ	ATEC	Fri, Jan 4, 2019	2.17	2.36	2.17	2.20
3163	NASDAQ	ATEC	Thu, Jan 3, 2019	2.22	2.26	2.16	2.16
3162	NASDAQ	ATEC	Wed, Jan 2, 2019	2.26	2.28	2.15	2.23
3161	NASDAQ	ATEC	Mon, Dec 31, 2018	2.41	2.49	2.18	2.29
3160	NASDAQ	ATEC	Fri, Dec 28, 2018	2.24	2.35	2.22	2.25
3159	NASDAQ	ATEC	Thu, Dec 27, 2018	2.40	2.40	2.20	2.25
3158	NASDAQ	ATEC	Wed, Dec 26, 2018	2.20	2.52	2.02	2.42
3157	NASDAQ	ATEC	Mon, Dec 24, 2018	2.20	2.28	2.12	2.17
3156	NASDAQ	ATEC	Fri, Dec 21, 2018	2.40	2.41	2.16	2.21
3155	NASDAQ	ATEC	Thu, Dec 20, 2018	2.40	2.43	2.15	2.28
3154	NASDAQ	ATEC	Wed, Dec 19, 2018	2.37	2.53	2.37	2.39
3153	NASDAQ	ATEC	Tue, Dec 18, 2018	2.41	2.49	2.38	2.38
3152	NASDAQ	ATEC	Mon, Dec 17, 2018	2.52	2.60	2.40	2.46
3151	NASDAQ	ATEC	Fri, Dec 14, 2018	2.60	2.62	2.50	2.51
3150	NASDAQ	ATEC	Thu, Dec 13, 2018	2.55	2.63	2.48	2.63
3149	NASDAQ	ATEC	Wed, Dec 12, 2018	2.46	2.60	2.46	2.55
3148	NASDAQ	ATEC	Tue, Dec 11, 2018	2.42	2.53	2.40	2.46
3147	NASDAQ	ATEC	Mon, Dec 10, 2018	2.55	2.63	2.41	2.42
3146	NASDAQ	ATEC	Fri, Dec 7, 2018	2.64	2.70	2.56	2.62
3145	NASDAQ	ATEC	Thu, Dec 6, 2018	2.62	2.70	2.58	2.62
3144	NASDAQ	ATEC	Tue, Dec 4, 2018	2.67	2.75	2.62	2.69
3143	NASDAQ	ATEC	Mon, Dec 3, 2018	2.76	2.86	2.56	2.63
3142	NASDAQ	ATEC	Fri, Nov 30, 2018	2.71	2.76	2.64	2.71
3141	NASDAQ	ATEC	Thu, Nov 29, 2018	2.67	2.70	2.58	2.70
3140	NASDAQ	ATEC	Wed, Nov 28, 2018	2.70	2.75	2.56	2.62
3139	NASDAQ	ATEC	Tue, Nov 27, 2018	2.75	2.76	2.65	2.67
3138	NASDAQ	ATEC	Mon, Nov 26, 2018	2.80	2.82	2.75	2.76
3137	NASDAQ	ATEC	Fri, Nov 23, 2018	2.79	2.81	2.71	2.80
3136	NASDAQ	ATEC	Wed, Nov 21, 2018	2.82	2.88	2.81	2.83
3135	NASDAQ	ATEC	Tue, Nov 20, 2018	2.87	2.87	2.63	2.81
3134	NASDAQ	ATEC	Mon, Nov 19, 2018	2.90	2.92	2.62	2.77
3133	NASDAQ	ATEC	Fri, Nov 16, 2018	2.93	2.93	2.82	2.84
3132	NASDAQ	ATEC	Thu, Nov 15, 2018	2.95	2.97	2.87	2.92
3131	NASDAQ	ATEC	Wed, Nov 14, 2018	2.86	3.15	2.86	2.95
3130	NASDAQ	ATEC	Tue, Nov 13, 2018	3.00	3.13	2.75	2.86
3129	NASDAQ	ATEC	Mon, Nov 12, 2018	3.16	3.16	2.93	2.99
3128	NASDAQ	ATEC	Fri, Nov 9, 2018	2.75	3.19	2.70	2.98
3127	NASDAQ	ATEC	Thu, Nov 8, 2018	3.05	3.34	3.05	3.19
3126	NASDAQ	ATEC	Wed, Nov 7, 2018	3.02	3.29	3.01	3.03
3125	NASDAQ	ATEC	Tue, Nov 6, 2018	3.05	3.12	3.05	3.05
3124	NASDAQ	ATEC	Mon, Nov 5, 2018	3.20	3.33	3.02	3.04
3123	NASDAQ	ATEC	Fri, Nov 2, 2018	3.08	3.25	3.08	3.17
3122	NASDAQ	ATEC	Thu, Nov 1, 2018	3.05	3.20	3.05	3.09
3121	NASDAQ	ATEC	Wed, Oct 31, 2018	3.02	3.03	3.00	3.00
3120	NASDAQ	ATEC	Tue, Oct 30, 2018	3.00	3.00	2.95	2.99
3119	NASDAQ	ATEC	Mon, Oct 29, 2018	3.01	3.05	2.97	3.01
3118	NASDAQ	ATEC	Fri, Oct 26, 2018	2.95	3.00	2.95	2.98
3117	NASDAQ	ATEC	Thu, Oct 25, 2018	3.08	3.08	2.95	2.95
3116	NASDAQ	ATEC	Wed, Oct 24, 2018	3.08	3.15	2.98	3.08
3115	NASDAQ	ATEC	Tue, Oct 23, 2018	3.17	3.22	3.02	3.07
3114	NASDAQ	ATEC	Mon, Oct 22, 2018	3.25	3.31	3.00	3.21
3113	NASDAQ	ATEC	Fri, Oct 19, 2018	3.18	3.25	3.00	3.13
3112	NASDAQ	ATEC	Thu, Oct 18, 2018	3.29	3.38	3.12	3.18
3111	NASDAQ	ATEC	Wed, Oct 17, 2018	3.29	3.37	3.18	3.28
3110	NASDAQ	ATEC	Tue, Oct 16, 2018	3.10	3.33	3.03	3.21
3109	NASDAQ	ATEC	Mon, Oct 15, 2018	3.08	3.14	2.90	3.07
3108	NASDAQ	ATEC	Fri, Oct 12, 2018	2.98	3.06	2.96	3.05
3107	NASDAQ	ATEC	Thu, Oct 11, 2018	2.95	2.98	2.80	2.95
3106	NASDAQ	ATEC	Wed, Oct 10, 2018	3.01	3.09	2.95	2.95
3105	NASDAQ	ATEC	Tue, Oct 9, 2018	2.97	3.27	2.97	3.00
3104	NASDAQ	ATEC	Mon, Oct 8, 2018	3.08	3.08	2.91	3.00
3103	NASDAQ	ATEC	Fri, Oct 5, 2018	3.09	3.19	3.00	3.05
3102	NASDAQ	ATEC	Thu, Oct 4, 2018	3.07	3.11	3.00	3.04
3101	NASDAQ	ATEC	Wed, Oct 3, 2018	3.03	3.20	2.97	3.07
3100	NASDAQ	ATEC	Tue, Oct 2, 2018	3.15	3.30	3.01	3.04
3099	NASDAQ	ATEC	Mon, Oct 1, 2018	3.35	3.35	3.10	3.11
3098	NASDAQ	ATEC	Fri, Sep 28, 2018	3.39	3.48	3.35	3.37
3097	NASDAQ	ATEC	Thu, Sep 27, 2018	3.30	3.44	3.30	3.39
3096	NASDAQ	ATEC	Wed, Sep 26, 2018	3.32	3.42	3.27	3.29
3095	NASDAQ	ATEC	Tue, Sep 25, 2018	3.29	3.40	3.21	3.27
3094	NASDAQ	ATEC	Mon, Sep 24, 2018	3.22	3.35	3.20	3.26
3093	NASDAQ	ATEC	Fri, Sep 21, 2018	3.22	3.29	3.13	3.26
3092	NASDAQ	ATEC	Thu, Sep 20, 2018	3.31	3.38	3.20	3.21
3091	NASDAQ	ATEC	Wed, Sep 19, 2018	3.30	3.40	3.30	3.30
3090	NASDAQ	ATEC	Tue, Sep 18, 2018	3.35	3.41	3.29	3.29
3089	NASDAQ	ATEC	Mon, Sep 17, 2018	3.32	3.40	3.26	3.34
3088	NASDAQ	ATEC	Fri, Sep 14, 2018	3.43	3.48	3.30	3.31
3087	NASDAQ	ATEC	Thu, Sep 13, 2018	3.30	3.48	3.29	3.44
3086	NASDAQ	ATEC	Wed, Sep 12, 2018	3.21	3.44	3.20	3.26
3085	NASDAQ	ATEC	Tue, Sep 11, 2018	3.18	3.31	3.07	3.21
3084	NASDAQ	ATEC	Mon, Sep 10, 2018	3.22	3.27	3.15	3.17
3083	NASDAQ	ATEC	Fri, Sep 7, 2018	3.29	3.32	3.20	3.21
3082	NASDAQ	ATEC	Thu, Sep 6, 2018	3.30	3.35	3.20	3.30
3081	NASDAQ	ATEC	Wed, Sep 5, 2018	3.40	3.47	3.14	3.26
3080	NASDAQ	ATEC	Tue, Sep 4, 2018	3.47	3.48	3.38	3.41
3079	NASDAQ	ATEC	Fri, Aug 31, 2018	3.60	3.68	3.47	3.51
3078	NASDAQ	ATEC	Thu, Aug 30, 2018	3.65	3.72	3.52	3.60
3077	NASDAQ	ATEC	Wed, Aug 29, 2018	3.47	3.71	3.44	3.63
3076	NASDAQ	ATEC	Tue, Aug 28, 2018	3.60	3.64	3.32	3.49
3075	NASDAQ	ATEC	Mon, Aug 27, 2018	3.77	3.80	3.50	3.59
3074	NASDAQ	ATEC	Fri, Aug 24, 2018	3.94	3.95	3.73	3.75
3073	NASDAQ	ATEC	Thu, Aug 23, 2018	3.85	3.95	3.72	3.89
3072	NASDAQ	ATEC	Wed, Aug 22, 2018	3.80	3.92	3.80	3.85
3071	NASDAQ	ATEC	Tue, Aug 21, 2018	3.51	3.90	3.51	3.77
3070	NASDAQ	ATEC	Mon, Aug 20, 2018	3.55	3.70	3.36	3.56
3069	NASDAQ	ATEC	Fri, Aug 17, 2018	3.30	3.61	3.30	3.56
3068	NASDAQ	ATEC	Thu, Aug 16, 2018	3.27	3.36	3.23	3.33
3067	NASDAQ	ATEC	Wed, Aug 15, 2018	3.21	3.32	3.20	3.31
3066	NASDAQ	ATEC	Tue, Aug 14, 2018	3.29	3.32	3.22	3.25
3065	NASDAQ	ATEC	Mon, Aug 13, 2018	3.20	3.29	3.15	3.25
3064	NASDAQ	ATEC	Fri, Aug 10, 2018	3.12	3.30	3.10	3.24
3063	NASDAQ	ATEC	Thu, Aug 9, 2018	3.09	3.13	3.04	3.11
3062	NASDAQ	ATEC	Wed, Aug 8, 2018	3.16	3.20	3.10	3.11
3061	NASDAQ	ATEC	Tue, Aug 7, 2018	3.01	3.16	2.99	3.15
3060	NASDAQ	ATEC	Mon, Aug 6, 2018	2.87	3.03	2.87	3.00
3059	NASDAQ	ATEC	Fri, Aug 3, 2018	2.74	2.98	2.58	2.87
3058	NASDAQ	ATEC	Thu, Aug 2, 2018	2.74	2.85	2.74	2.74
3057	NASDAQ	ATEC	Wed, Aug 1, 2018	2.71	2.81	2.66	2.74
3056	NASDAQ	ATEC	Tue, Jul 31, 2018	2.67	2.74	2.67	2.70
3055	NASDAQ	ATEC	Mon, Jul 30, 2018	2.80	2.81	2.60	2.69
3054	NASDAQ	ATEC	Fri, Jul 27, 2018	2.80	2.82	2.75	2.79
3053	NASDAQ	ATEC	Thu, Jul 26, 2018	2.80	2.85	2.71	2.78
3052	NASDAQ	ATEC	Wed, Jul 25, 2018	2.81	2.81	2.66	2.80
3051	NASDAQ	ATEC	Tue, Jul 24, 2018	2.80	2.88	2.80	2.80
3050	NASDAQ	ATEC	Mon, Jul 23, 2018	2.89	2.89	2.80	2.80
3049	NASDAQ	ATEC	Fri, Jul 20, 2018	2.90	2.96	2.80	2.89
3048	NASDAQ	ATEC	Thu, Jul 19, 2018	2.75	2.93	2.75	2.83
3047	NASDAQ	ATEC	Wed, Jul 18, 2018	2.71	2.85	2.65	2.73
3046	NASDAQ	ATEC	Tue, Jul 17, 2018	2.79	2.81	2.55	2.69
3045	NASDAQ	ATEC	Mon, Jul 16, 2018	2.84	2.92	2.80	2.84
3044	NASDAQ	ATEC	Fri, Jul 13, 2018	2.91	2.91	2.77	2.79
3043	NASDAQ	ATEC	Thu, Jul 12, 2018	2.84	2.89	2.80	2.87
3042	NASDAQ	ATEC	Wed, Jul 11, 2018	2.83	2.91	2.72	2.81
3041	NASDAQ	ATEC	Tue, Jul 10, 2018	2.84	2.90	2.78	2.81
3040	NASDAQ	ATEC	Mon, Jul 9, 2018	2.85	3.06	2.78	2.83
3039	NASDAQ	ATEC	Fri, Jul 6, 2018	2.82	2.84	2.72	2.84
3038	NASDAQ	ATEC	Thu, Jul 5, 2018	2.77	2.87	2.72	2.85
3037	NASDAQ	ATEC	Tue, Jul 3, 2018	2.88	2.91	2.75	2.77
3036	NASDAQ	ATEC	Mon, Jul 2, 2018	2.99	3.00	2.83	2.86
3035	NASDAQ	ATEC	Fri, Jun 29, 2018	2.97	3.13	2.90	2.98
3034	NASDAQ	ATEC	Thu, Jun 28, 2018	2.88	3.02	2.87	2.95
3033	NASDAQ	ATEC	Wed, Jun 27, 2018	2.94	2.97	2.79	2.84
3032	NASDAQ	ATEC	Tue, Jun 26, 2018	2.84	3.08	2.79	2.95
3031	NASDAQ	ATEC	Mon, Jun 25, 2018	2.93	2.93	2.66	2.82
3030	NASDAQ	ATEC	Fri, Jun 22, 2018	2.91	3.00	2.83	2.95
3029	NASDAQ	ATEC	Thu, Jun 21, 2018	2.90	2.99	2.84	2.89
3028	NASDAQ	ATEC	Wed, Jun 20, 2018	2.96	3.01	2.74	2.83
3027	NASDAQ	ATEC	Tue, Jun 19, 2018	3.00	3.01	2.86	2.94
3026	NASDAQ	ATEC	Mon, Jun 18, 2018	3.43	3.45	3.00	3.01
3025	NASDAQ	ATEC	Fri, Jun 15, 2018	3.54	3.57	3.38	3.42
3024	NASDAQ	ATEC	Thu, Jun 14, 2018	3.60	3.62	3.47	3.55
3023	NASDAQ	ATEC	Wed, Jun 13, 2018	3.40	3.57	3.39	3.44
3022	NASDAQ	ATEC	Tue, Jun 12, 2018	3.41	3.41	3.35	3.38
3021	NASDAQ	ATEC	Mon, Jun 11, 2018	3.48	3.55	3.40	3.41
3020	NASDAQ	ATEC	Fri, Jun 8, 2018	3.80	3.80	3.41	3.46
3019	NASDAQ	ATEC	Thu, Jun 7, 2018	3.91	3.91	3.80	3.82
3018	NASDAQ	ATEC	Wed, Jun 6, 2018	3.86	3.94	3.81	3.89
3017	NASDAQ	ATEC	Tue, Jun 5, 2018	3.92	3.96	3.83	3.87
3016	NASDAQ	ATEC	Mon, Jun 4, 2018	4.00	4.00	3.90	3.90
3015	NASDAQ	ATEC	Fri, Jun 1, 2018	3.83	4.01	3.83	3.98
3014	NASDAQ	ATEC	Thu, May 31, 2018	3.76	3.90	3.76	3.83
3013	NASDAQ	ATEC	Wed, May 30, 2018	3.90	4.00	3.77	3.78
3012	NASDAQ	ATEC	Tue, May 29, 2018	3.93	3.99	3.86	3.86
3011	NASDAQ	ATEC	Fri, May 25, 2018	3.95	3.97	3.89	3.93
3010	NASDAQ	ATEC	Thu, May 24, 2018	3.91	3.99	3.79	3.91
3009	NASDAQ	ATEC	Wed, May 23, 2018	3.90	3.99	3.88	3.92
3008	NASDAQ	ATEC	Tue, May 22, 2018	3.99	4.08	3.85	3.90
3007	NASDAQ	ATEC	Mon, May 21, 2018	3.75	3.99	3.75	3.99
3006	NASDAQ	ATEC	Fri, May 18, 2018	3.63	3.86	3.63	3.73
3005	NASDAQ	ATEC	Thu, May 17, 2018	3.68	3.69	3.63	3.67
3004	NASDAQ	ATEC	Wed, May 16, 2018	3.45	3.84	3.45	3.66
3003	NASDAQ	ATEC	Tue, May 15, 2018	3.38	3.47	3.29	3.47
3002	NASDAQ	ATEC	Mon, May 14, 2018	3.50	3.50	3.27	3.40
3001	NASDAQ	ATEC	Fri, May 11, 2018	3.70	3.70	3.40	3.43
3000	NASDAQ	ATEC	Thu, May 10, 2018	3.55	3.70	3.50	3.69
2999	NASDAQ	ATEC	Wed, May 9, 2018	3.57	3.65	3.48	3.50
2998	NASDAQ	ATEC	Tue, May 8, 2018	3.61	3.61	3.55	3.56
2997	NASDAQ	ATEC	Mon, May 7, 2018	3.81	3.91	3.61	3.64
2996	NASDAQ	ATEC	Fri, May 4, 2018	3.82	3.91	3.75	3.75
2995	NASDAQ	ATEC	Thu, May 3, 2018	3.90	3.92	3.73	3.80
2994	NASDAQ	ATEC	Wed, May 2, 2018	3.71	4.01	3.71	3.88
2993	NASDAQ	ATEC	Tue, May 1, 2018	3.84	3.90	3.71	3.72
2992	NASDAQ	ATEC	Mon, Apr 30, 2018	3.80	3.90	3.80	3.84
2991	NASDAQ	ATEC	Fri, Apr 27, 2018	4.08	4.08	3.78	3.82
2990	NASDAQ	ATEC	Thu, Apr 26, 2018	4.10	4.10	4.05	4.06
2989	NASDAQ	ATEC	Wed, Apr 25, 2018	4.05	4.19	3.95	4.07
2988	NASDAQ	ATEC	Tue, Apr 24, 2018	4.04	4.21	3.96	4.03
2987	NASDAQ	ATEC	Mon, Apr 23, 2018	3.90	4.21	3.90	4.02
2986	NASDAQ	ATEC	Fri, Apr 20, 2018	3.61	3.93	3.61	3.86
2985	NASDAQ	ATEC	Thu, Apr 19, 2018	3.59	3.80	3.58	3.70
2984	NASDAQ	ATEC	Wed, Apr 18, 2018	3.46	3.60	3.46	3.58
2983	NASDAQ	ATEC	Tue, Apr 17, 2018	3.58	3.58	3.50	3.51
2982	NASDAQ	ATEC	Mon, Apr 16, 2018	3.55	3.59	3.52	3.58
2981	NASDAQ	ATEC	Fri, Apr 13, 2018	3.50	3.58	3.50	3.55
2980	NASDAQ	ATEC	Thu, Apr 12, 2018	3.50	3.50	3.45	3.50
2979	NASDAQ	ATEC	Wed, Apr 11, 2018	3.43	3.50	3.41	3.47
2978	NASDAQ	ATEC	Tue, Apr 10, 2018	3.43	3.43	3.31	3.39
2977	NASDAQ	ATEC	Mon, Apr 9, 2018	3.33	3.44	3.21	3.37
2976	NASDAQ	ATEC	Fri, Apr 6, 2018	3.26	3.41	3.21	3.35
2975	NASDAQ	ATEC	Thu, Apr 5, 2018	3.30	3.31	3.20	3.25
2974	NASDAQ	ATEC	Wed, Apr 4, 2018	3.29	3.30	3.13	3.30
2973	NASDAQ	ATEC	Tue, Apr 3, 2018	3.24	3.37	3.15	3.25
2972	NASDAQ	ATEC	Mon, Apr 2, 2018	3.60	3.60	3.09	3.30
2971	NASDAQ	ATEC	Thu, Mar 29, 2018	3.11	3.21	3.02	3.21
2970	NASDAQ	ATEC	Wed, Mar 28, 2018	3.15	3.20	3.04	3.04
2969	NASDAQ	ATEC	Tue, Mar 27, 2018	3.15	3.25	3.15	3.17
2968	NASDAQ	ATEC	Mon, Mar 26, 2018	3.30	3.32	3.15	3.15
2967	NASDAQ	ATEC	Fri, Mar 23, 2018	3.30	3.40	3.30	3.30
2966	NASDAQ	ATEC	Thu, Mar 22, 2018	3.29	3.38	3.26	3.35
2965	NASDAQ	ATEC	Wed, Mar 21, 2018	3.40	3.50	3.34	3.40
2964	NASDAQ	ATEC	Tue, Mar 20, 2018	3.29	3.41	3.29	3.36
2963	NASDAQ	ATEC	Mon, Mar 19, 2018	3.28	3.38	3.21	3.28
2962	NASDAQ	ATEC	Fri, Mar 16, 2018	3.20	3.26	3.14	3.26
2961	NASDAQ	ATEC	Thu, Mar 15, 2018	3.17	3.28	3.08	3.22
2960	NASDAQ	ATEC	Wed, Mar 14, 2018	3.14	3.21	3.05	3.17
2959	NASDAQ	ATEC	Tue, Mar 13, 2018	3.34	3.40	3.14	3.14
2958	NASDAQ	ATEC	Mon, Mar 12, 2018	3.45	3.45	3.24	3.30
2957	NASDAQ	ATEC	Fri, Mar 9, 2018	3.50	3.58	3.18	3.43
2956	NASDAQ	ATEC	Thu, Mar 8, 2018	3.40	3.60	3.10	3.48
2955	NASDAQ	ATEC	Wed, Mar 7, 2018	3.29	3.50	3.28	3.40
2954	NASDAQ	ATEC	Tue, Mar 6, 2018	3.25	3.33	3.20	3.29
2953	NASDAQ	ATEC	Mon, Mar 5, 2018	3.21	3.29	3.21	3.22
2952	NASDAQ	ATEC	Fri, Mar 2, 2018	3.17	3.25	3.17	3.22
2951	NASDAQ	ATEC	Thu, Mar 1, 2018	3.18	3.25	3.10	3.21
2950	NASDAQ	ATEC	Wed, Feb 28, 2018	3.34	3.34	3.19	3.19
2949	NASDAQ	ATEC	Tue, Feb 27, 2018	3.38	3.40	3.24	3.29
2948	NASDAQ	ATEC	Mon, Feb 26, 2018	3.34	3.42	3.32	3.34
2947	NASDAQ	ATEC	Fri, Feb 23, 2018	3.33	3.33	3.25	3.29
2946	NASDAQ	ATEC	Thu, Feb 22, 2018	3.45	3.45	3.25	3.27
2945	NASDAQ	ATEC	Wed, Feb 21, 2018	3.40	3.45	3.33	3.42
2944	NASDAQ	ATEC	Tue, Feb 20, 2018	3.15	3.40	3.14	3.27
2943	NASDAQ	ATEC	Fri, Feb 16, 2018	3.22	3.44	3.08	3.25
2942	NASDAQ	ATEC	Thu, Feb 15, 2018	3.27	3.27	3.06	3.22
2941	NASDAQ	ATEC	Wed, Feb 14, 2018	3.28	3.32	3.12	3.22
2940	NASDAQ	ATEC	Tue, Feb 13, 2018	3.25	3.40	3.25	3.28
2939	NASDAQ	ATEC	Mon, Feb 12, 2018	3.38	3.43	3.24	3.25
2938	NASDAQ	ATEC	Fri, Feb 9, 2018	3.30	3.44	3.24	3.25
2937	NASDAQ	ATEC	Thu, Feb 8, 2018	3.30	3.46	3.24	3.24
2936	NASDAQ	ATEC	Wed, Feb 7, 2018	3.27	3.35	3.24	3.24
2935	NASDAQ	ATEC	Tue, Feb 6, 2018	3.01	3.30	3.01	3.26
2934	NASDAQ	ATEC	Mon, Feb 5, 2018	3.21	3.37	3.10	3.11
2933	NASDAQ	ATEC	Fri, Feb 2, 2018	3.24	3.30	3.13	3.15
2932	NASDAQ	ATEC	Thu, Feb 1, 2018	3.20	3.30	3.20	3.24
2931	NASDAQ	ATEC	Wed, Jan 31, 2018	3.31	3.36	3.15	3.20
2930	NASDAQ	ATEC	Tue, Jan 30, 2018	3.39	3.42	3.30	3.30
2929	NASDAQ	ATEC	Mon, Jan 29, 2018	3.42	3.54	3.37	3.37
2928	NASDAQ	ATEC	Fri, Jan 26, 2018	3.45	3.50	3.30	3.44
2927	NASDAQ	ATEC	Thu, Jan 25, 2018	3.29	3.45	3.29	3.45
2926	NASDAQ	ATEC	Wed, Jan 24, 2018	3.37	3.43	3.25	3.33
2925	NASDAQ	ATEC	Tue, Jan 23, 2018	3.42	3.42	3.25	3.36
2924	NASDAQ	ATEC	Mon, Jan 22, 2018	3.30	3.51	3.30	3.45
2923	NASDAQ	ATEC	Fri, Jan 19, 2018	3.46	3.52	3.21	3.35
2922	NASDAQ	ATEC	Thu, Jan 18, 2018	3.50	3.60	3.31	3.43
2921	NASDAQ	ATEC	Wed, Jan 17, 2018	3.20	3.59	3.16	3.53
2920	NASDAQ	ATEC	Tue, Jan 16, 2018	3.16	3.29	3.14	3.22
2919	NASDAQ	ATEC	Fri, Jan 12, 2018	3.22	3.23	3.01	3.12
2918	NASDAQ	ATEC	Thu, Jan 11, 2018	3.22	3.33	3.20	3.23
2917	NASDAQ	ATEC	Wed, Jan 10, 2018	3.30	3.30	3.12	3.20
2916	NASDAQ	ATEC	Tue, Jan 9, 2018	3.45	3.58	3.10	3.30
2915	NASDAQ	ATEC	Mon, Jan 8, 2018	3.05	3.47	3.02	3.41
2914	NASDAQ	ATEC	Fri, Jan 5, 2018	2.90	3.30	2.80	3.00
2913	NASDAQ	ATEC	Thu, Jan 4, 2018	2.72	2.93	2.66	2.77
2912	NASDAQ	ATEC	Wed, Jan 3, 2018	2.65	2.75	2.65	2.72
2911	NASDAQ	ATEC	Tue, Jan 2, 2018	2.71	2.77	2.62	2.67
2910	NASDAQ	ATEC	Fri, Dec 29, 2017	2.66	2.71	2.55	2.66
2909	NASDAQ	ATEC	Thu, Dec 28, 2017	2.66	2.75	2.58	2.61
2908	NASDAQ	ATEC	Wed, Dec 27, 2017	2.68	2.80	2.65	2.68
2907	NASDAQ	ATEC	Tue, Dec 26, 2017	2.64	2.69	2.56	2.62
2906	NASDAQ	ATEC	Fri, Dec 22, 2017	2.59	2.78	2.55	2.62
2905	NASDAQ	ATEC	Thu, Dec 21, 2017	2.58	2.64	2.52	2.61
2904	NASDAQ	ATEC	Wed, Dec 20, 2017	2.60	2.65	2.56	2.56
2903	NASDAQ	ATEC	Tue, Dec 19, 2017	2.53	2.68	2.52	2.54
2902	NASDAQ	ATEC	Mon, Dec 18, 2017	2.48	2.65	2.44	2.51
2901	NASDAQ	ATEC	Fri, Dec 15, 2017	2.38	2.53	2.31	2.46
2900	NASDAQ	ATEC	Thu, Dec 14, 2017	2.49	2.55	2.35	2.37
2899	NASDAQ	ATEC	Wed, Dec 13, 2017	2.47	2.70	2.42	2.47
2898	NASDAQ	ATEC	Tue, Dec 12, 2017	2.46	2.59	2.45	2.48
2897	NASDAQ	ATEC	Mon, Dec 11, 2017	2.49	2.75	2.46	2.49
2896	NASDAQ	ATEC	Fri, Dec 8, 2017	2.65	2.65	2.50	2.51
2895	NASDAQ	ATEC	Thu, Dec 7, 2017	2.55	2.71	2.50	2.53
2894	NASDAQ	ATEC	Wed, Dec 6, 2017	2.56	2.69	2.49	2.58
2893	NASDAQ	ATEC	Tue, Dec 5, 2017	2.65	2.65	2.56	2.59
2892	NASDAQ	ATEC	Mon, Dec 4, 2017	2.70	2.79	2.58	2.60
2891	NASDAQ	ATEC	Fri, Dec 1, 2017	2.74	2.77	2.57	2.65
2890	NASDAQ	ATEC	Thu, Nov 30, 2017	2.63	2.69	2.56	2.62
2889	NASDAQ	ATEC	Wed, Nov 29, 2017	2.63	2.69	2.56	2.56
2888	NASDAQ	ATEC	Tue, Nov 28, 2017	2.87	2.87	2.43	2.59
2887	NASDAQ	ATEC	Mon, Nov 27, 2017	2.98	3.00	2.88	2.90
2886	NASDAQ	ATEC	Fri, Nov 24, 2017	3.00	3.00	2.86	2.97
2885	NASDAQ	ATEC	Wed, Nov 22, 2017	3.00	3.10	2.96	2.96
2884	NASDAQ	ATEC	Tue, Nov 21, 2017	3.29	3.30	2.98	2.99
2883	NASDAQ	ATEC	Mon, Nov 20, 2017	3.33	3.39	3.21	3.24
2882	NASDAQ	ATEC	Fri, Nov 17, 2017	3.39	3.42	3.26	3.36
2881	NASDAQ	ATEC	Thu, Nov 16, 2017	3.52	3.53	3.40	3.41
2880	NASDAQ	ATEC	Wed, Nov 15, 2017	3.60	3.60	3.50	3.54
2879	NASDAQ	ATEC	Tue, Nov 14, 2017	3.58	3.60	3.53	3.59
2878	NASDAQ	ATEC	Mon, Nov 13, 2017	3.60	3.71	3.53	3.60
2877	NASDAQ	ATEC	Fri, Nov 10, 2017	3.59	3.71	3.50	3.58
2876	NASDAQ	ATEC	Thu, Nov 9, 2017	3.60	3.67	3.43	3.59
2875	NASDAQ	ATEC	Wed, Nov 8, 2017	3.60	3.68	3.56	3.61
2874	NASDAQ	ATEC	Tue, Nov 7, 2017	3.74	3.74	3.55	3.63
2873	NASDAQ	ATEC	Mon, Nov 6, 2017	3.84	3.84	3.67	3.71
2872	NASDAQ	ATEC	Fri, Nov 3, 2017	3.70	3.90	3.70	3.79
2871	NASDAQ	ATEC	Thu, Nov 2, 2017	3.57	3.71	3.54	3.65
2870	NASDAQ	ATEC	Wed, Nov 1, 2017	3.63	3.72	3.50	3.57
2869	NASDAQ	ATEC	Tue, Oct 31, 2017	3.63	3.82	3.50	3.59
2868	NASDAQ	ATEC	Mon, Oct 30, 2017	3.98	3.98	3.52	3.66
2867	NASDAQ	ATEC	Fri, Oct 27, 2017	3.92	4.03	3.84	3.87
2866	NASDAQ	ATEC	Thu, Oct 26, 2017	4.00	4.11	3.75	3.96
2865	NASDAQ	ATEC	Wed, Oct 25, 2017	3.97	4.05	3.67	4.00
2864	NASDAQ	ATEC	Tue, Oct 24, 2017	4.15	4.15	3.63	3.89
2863	NASDAQ	ATEC	Mon, Oct 23, 2017	4.21	4.24	4.03	4.10
2862	NASDAQ	ATEC	Fri, Oct 20, 2017	4.18	4.20	4.12	4.15
2861	NASDAQ	ATEC	Thu, Oct 19, 2017	4.15	4.27	4.08	4.12
2860	NASDAQ	ATEC	Wed, Oct 18, 2017	3.78	4.27	3.76	4.13
2859	NASDAQ	ATEC	Tue, Oct 17, 2017	3.77	3.80	3.67	3.77
2858	NASDAQ	ATEC	Mon, Oct 16, 2017	3.75	3.84	3.62	3.71
2857	NASDAQ	ATEC	Fri, Oct 13, 2017	3.74	3.75	3.54	3.61
2856	NASDAQ	ATEC	Thu, Oct 12, 2017	3.95	3.99	3.46	3.75
2855	NASDAQ	ATEC	Wed, Oct 11, 2017	3.60	3.82	3.46	3.71
2854	NASDAQ	ATEC	Tue, Oct 10, 2017	3.73	3.89	3.70	3.84
2853	NASDAQ	ATEC	Mon, Oct 9, 2017	3.28	3.78	3.22	3.73
2852	NASDAQ	ATEC	Fri, Oct 6, 2017	3.05	3.14	3.01	3.14
2851	NASDAQ	ATEC	Thu, Oct 5, 2017	3.00	3.08	2.84	3.03
2850	NASDAQ	ATEC	Wed, Oct 4, 2017	3.10	3.10	2.85	2.95
2849	NASDAQ	ATEC	Tue, Oct 3, 2017	3.07	3.25	2.85	3.07
2848	NASDAQ	ATEC	Mon, Oct 2, 2017	2.28	3.37	2.25	3.22
2847	NASDAQ	ATEC	Fri, Sep 29, 2017	2.26	2.29	2.21	2.26
2846	NASDAQ	ATEC	Thu, Sep 28, 2017	2.24	2.29	2.23	2.25
2845	NASDAQ	ATEC	Wed, Sep 27, 2017	2.26	2.29	2.23	2.25
2844	NASDAQ	ATEC	Tue, Sep 26, 2017	2.24	2.28	2.20	2.20
2843	NASDAQ	ATEC	Mon, Sep 25, 2017	2.20	2.32	2.20	2.24
2842	NASDAQ	ATEC	Fri, Sep 22, 2017	2.15	2.20	2.12	2.19
2841	NASDAQ	ATEC	Thu, Sep 21, 2017	2.09	2.20	2.09	2.13
2840	NASDAQ	ATEC	Wed, Sep 20, 2017	2.10	2.20	2.10	2.13
2839	NASDAQ	ATEC	Tue, Sep 19, 2017	2.21	2.23	1.96	2.10
2838	NASDAQ	ATEC	Mon, Sep 18, 2017	2.27	2.30	2.22	2.22
2837	NASDAQ	ATEC	Fri, Sep 15, 2017	2.38	2.44	2.30	2.30
2836	NASDAQ	ATEC	Thu, Sep 14, 2017	2.43	2.44	2.28	2.39
2835	NASDAQ	ATEC	Wed, Sep 13, 2017	2.32	2.45	2.27	2.41
2834	NASDAQ	ATEC	Tue, Sep 12, 2017	2.30	2.35	2.29	2.31
2833	NASDAQ	ATEC	Mon, Sep 11, 2017	2.30	2.38	2.26	2.31
2832	NASDAQ	ATEC	Fri, Sep 8, 2017	2.29	2.32	2.22	2.30
2831	NASDAQ	ATEC	Thu, Sep 7, 2017	2.29	2.36	2.22	2.29
2830	NASDAQ	ATEC	Wed, Sep 6, 2017	2.32	2.35	2.20	2.27
2829	NASDAQ	ATEC	Tue, Sep 5, 2017	2.16	2.30	2.15	2.28
2828	NASDAQ	ATEC	Fri, Sep 1, 2017	2.00	2.19	2.00	2.16
2827	NASDAQ	ATEC	Thu, Aug 31, 2017	2.07	2.13	2.00	2.02
2826	NASDAQ	ATEC	Wed, Aug 30, 2017	2.02	2.12	1.98	2.06
2825	NASDAQ	ATEC	Tue, Aug 29, 2017	1.96	2.01	1.91	1.99
2824	NASDAQ	ATEC	Mon, Aug 28, 2017	1.94	2.02	1.90	1.98
2823	NASDAQ	ATEC	Fri, Aug 25, 2017	1.97	2.01	1.94	1.94
2822	NASDAQ	ATEC	Thu, Aug 24, 2017	1.93	1.96	1.93	1.95
2821	NASDAQ	ATEC	Wed, Aug 23, 2017	1.92	1.97	1.91	1.94
2820	NASDAQ	ATEC	Tue, Aug 22, 2017	1.94	1.97	1.80	1.92
2819	NASDAQ	ATEC	Mon, Aug 21, 2017	1.98	1.98	1.90	1.94
2818	NASDAQ	ATEC	Fri, Aug 18, 2017	1.86	1.93	1.84	1.92
2817	NASDAQ	ATEC	Thu, Aug 17, 2017	1.80	1.84	1.76	1.84
2816	NASDAQ	ATEC	Wed, Aug 16, 2017	1.75	1.75	1.64	1.74
2815	NASDAQ	ATEC	Tue, Aug 15, 2017	1.70	1.79	1.67	1.68
2814	NASDAQ	ATEC	Mon, Aug 14, 2017	1.72	1.80	1.63	1.69
2813	NASDAQ	ATEC	Fri, Aug 11, 2017	1.72	1.73	1.60	1.68
2812	NASDAQ	ATEC	Thu, Aug 10, 2017	1.73	1.73	1.62	1.64
2811	NASDAQ	ATEC	Wed, Aug 9, 2017	1.68	1.73	1.58	1.64
2810	NASDAQ	ATEC	Tue, Aug 8, 2017	1.73	1.79	1.61	1.73
2809	NASDAQ	ATEC	Mon, Aug 7, 2017	1.73	1.73	1.68	1.73
2808	NASDAQ	ATEC	Fri, Aug 4, 2017	1.71	1.72	1.62	1.71
2807	NASDAQ	ATEC	Thu, Aug 3, 2017	1.70	1.73	1.66	1.72
2806	NASDAQ	ATEC	Wed, Aug 2, 2017	1.70	1.70	1.66	1.66
2805	NASDAQ	ATEC	Tue, Aug 1, 2017	1.63	1.75	1.60	1.70
2804	NASDAQ	ATEC	Mon, Jul 31, 2017	1.60	1.73	1.59	1.63
2803	NASDAQ	ATEC	Fri, Jul 28, 2017	1.61	1.73	1.58	1.67
2802	NASDAQ	ATEC	Thu, Jul 27, 2017	1.67	1.73	1.64	1.66
2801	NASDAQ	ATEC	Wed, Jul 26, 2017	1.72	1.78	1.67	1.68
2800	NASDAQ	ATEC	Tue, Jul 25, 2017	1.74	1.80	1.72	1.72
2799	NASDAQ	ATEC	Mon, Jul 24, 2017	1.76	1.76	1.69	1.71
2798	NASDAQ	ATEC	Fri, Jul 21, 2017	1.78	1.78	1.72	1.73
2797	NASDAQ	ATEC	Thu, Jul 20, 2017	1.70	1.84	1.70	1.79
2796	NASDAQ	ATEC	Wed, Jul 19, 2017	1.67	1.70	1.67	1.69
2795	NASDAQ	ATEC	Tue, Jul 18, 2017	1.67	1.67	1.66	1.67
2794	NASDAQ	ATEC	Mon, Jul 17, 2017	1.66	1.70	1.65	1.65
2793	NASDAQ	ATEC	Fri, Jul 14, 2017	1.65	1.77	1.62	1.69
2792	NASDAQ	ATEC	Thu, Jul 13, 2017	1.70	1.76	1.64	1.66
2791	NASDAQ	ATEC	Wed, Jul 12, 2017	1.77	1.77	1.60	1.73
2790	NASDAQ	ATEC	Tue, Jul 11, 2017	1.88	1.90	1.72	1.73
2789	NASDAQ	ATEC	Mon, Jul 10, 2017	1.86	1.94	1.80	1.81
2788	NASDAQ	ATEC	Fri, Jul 7, 2017	1.81	1.88	1.79	1.87
2787	NASDAQ	ATEC	Thu, Jul 6, 2017	1.77	1.81	1.77	1.80
2786	NASDAQ	ATEC	Wed, Jul 5, 2017	1.86	1.86	1.77	1.78
2785	NASDAQ	ATEC	Mon, Jul 3, 2017	1.87	1.89	1.86	1.86
2784	NASDAQ	ATEC	Fri, Jun 30, 2017	1.89	1.89	1.80	1.85
2783	NASDAQ	ATEC	Thu, Jun 29, 2017	1.83	1.87	1.83	1.86
2782	NASDAQ	ATEC	Wed, Jun 28, 2017	1.84	1.88	1.82	1.83
2781	NASDAQ	ATEC	Tue, Jun 27, 2017	1.81	1.84	1.79	1.79
2780	NASDAQ	ATEC	Mon, Jun 26, 2017	1.86	1.87	1.80	1.85
2779	NASDAQ	ATEC	Fri, Jun 23, 2017	1.85	1.88	1.83	1.88
2778	NASDAQ	ATEC	Thu, Jun 22, 2017	1.89	1.89	1.83	1.86
2777	NASDAQ	ATEC	Wed, Jun 21, 2017	1.85	1.87	1.82	1.86
2776	NASDAQ	ATEC	Tue, Jun 20, 2017	1.87	1.90	1.81	1.81
2775	NASDAQ	ATEC	Mon, Jun 19, 2017	1.87	1.92	1.83	1.87
2774	NASDAQ	ATEC	Fri, Jun 16, 2017	1.91	1.93	1.81	1.81
2773	NASDAQ	ATEC	Thu, Jun 15, 2017	1.95	1.97	1.91	1.93
2772	NASDAQ	ATEC	Wed, Jun 14, 2017	2.00	2.00	1.95	1.96
2771	NASDAQ	ATEC	Tue, Jun 13, 2017	1.96	2.00	1.92	1.97
2770	NASDAQ	ATEC	Mon, Jun 12, 2017	1.99	2.00	1.96	1.98
2769	NASDAQ	ATEC	Fri, Jun 9, 2017	1.98	2.01	1.96	1.98
2768	NASDAQ	ATEC	Thu, Jun 8, 2017	1.97	2.06	1.93	1.97
2767	NASDAQ	ATEC	Wed, Jun 7, 2017	2.03	2.05	1.94	2.00
2766	NASDAQ	ATEC	Tue, Jun 6, 2017	1.96	2.06	1.95	2.03
2765	NASDAQ	ATEC	Mon, Jun 5, 2017	2.01	2.04	1.99	2.01
2764	NASDAQ	ATEC	Fri, Jun 2, 2017	1.89	2.08	1.89	2.07
2763	NASDAQ	ATEC	Thu, Jun 1, 2017	1.95	2.00	1.92	1.98
2762	NASDAQ	ATEC	Wed, May 31, 2017	1.95	1.97	1.77	1.95
2761	NASDAQ	ATEC	Tue, May 30, 2017	1.99	2.00	1.89	1.97
2760	NASDAQ	ATEC	Fri, May 26, 2017	2.00	2.00	1.89	1.99
2759	NASDAQ	ATEC	Thu, May 25, 2017	2.01	2.09	1.96	2.03
2758	NASDAQ	ATEC	Wed, May 24, 2017	2.01	2.03	1.98	2.00
2757	NASDAQ	ATEC	Tue, May 23, 2017	2.05	2.09	1.99	2.01
2756	NASDAQ	ATEC	Mon, May 22, 2017	2.11	2.25	2.01	2.09
2755	NASDAQ	ATEC	Fri, May 19, 2017	2.03	2.19	1.96	2.07
2754	NASDAQ	ATEC	Thu, May 18, 2017	2.02	2.11	1.95	2.00
2753	NASDAQ	ATEC	Wed, May 17, 2017	2.10	2.14	1.96	2.05
2752	NASDAQ	ATEC	Tue, May 16, 2017	2.19	2.22	2.05	2.08
2751	NASDAQ	ATEC	Mon, May 15, 2017	2.16	2.18	2.07	2.17
2750	NASDAQ	ATEC	Fri, May 12, 2017	1.97	2.20	1.97	2.12
2749	NASDAQ	ATEC	Thu, May 11, 2017	2.08	2.10	1.95	1.95
2748	NASDAQ	ATEC	Wed, May 10, 2017	2.12	2.13	2.01	2.08
2747	NASDAQ	ATEC	Tue, May 9, 2017	2.13	2.13	2.03	2.09
2746	NASDAQ	ATEC	Mon, May 8, 2017	2.08	2.11	2.07	2.10
2745	NASDAQ	ATEC	Fri, May 5, 2017	2.08	2.10	2.03	2.09
2744	NASDAQ	ATEC	Thu, May 4, 2017	2.12	2.14	2.04	2.07
2743	NASDAQ	ATEC	Wed, May 3, 2017	2.10	2.16	2.10	2.15
2742	NASDAQ	ATEC	Tue, May 2, 2017	2.05	2.07	2.04	2.05
2741	NASDAQ	ATEC	Mon, May 1, 2017	2.06	2.08	1.99	2.07
2740	NASDAQ	ATEC	Fri, Apr 28, 2017	2.11	2.11	1.99	2.03
2739	NASDAQ	ATEC	Thu, Apr 27, 2017	2.10	2.17	2.01	2.13
2738	NASDAQ	ATEC	Wed, Apr 26, 2017	1.98	2.06	1.95	2.03
2737	NASDAQ	ATEC	Tue, Apr 25, 2017	1.99	2.06	1.98	1.98
2736	NASDAQ	ATEC	Mon, Apr 24, 2017	2.00	2.02	1.96	1.96
2735	NASDAQ	ATEC	Fri, Apr 21, 2017	1.97	2.02	1.95	2.00
2734	NASDAQ	ATEC	Thu, Apr 20, 2017	2.00	2.06	1.98	2.00
2733	NASDAQ	ATEC	Wed, Apr 19, 2017	1.97	2.04	1.96	1.99
2732	NASDAQ	ATEC	Tue, Apr 18, 2017	2.03	2.11	1.93	2.02
2731	NASDAQ	ATEC	Mon, Apr 17, 2017	2.15	2.19	2.04	2.08
2730	NASDAQ	ATEC	Thu, Apr 13, 2017	2.19	2.19	2.04	2.13
2729	NASDAQ	ATEC	Wed, Apr 12, 2017	2.17	2.49	2.12	2.21
2728	NASDAQ	ATEC	Tue, Apr 11, 2017	2.15	2.21	2.13	2.19
2727	NASDAQ	ATEC	Mon, Apr 10, 2017	2.15	2.19	2.15	2.16
2726	NASDAQ	ATEC	Fri, Apr 7, 2017	2.24	2.40	2.10	2.12
2725	NASDAQ	ATEC	Thu, Apr 6, 2017	2.15	2.21	2.13	2.19
2724	NASDAQ	ATEC	Wed, Apr 5, 2017	2.11	2.28	2.11	2.17
2723	NASDAQ	ATEC	Tue, Apr 4, 2017	2.34	2.42	2.10	2.10
2722	NASDAQ	ATEC	Mon, Apr 3, 2017	2.32	2.44	2.30	2.36
2721	NASDAQ	ATEC	Fri, Mar 31, 2017	2.41	2.41	2.26	2.33
2720	NASDAQ	ATEC	Thu, Mar 30, 2017	2.40	2.64	2.25	2.41
2719	NASDAQ	ATEC	Wed, Mar 29, 2017	2.10	2.40	2.10	2.40
2718	NASDAQ	ATEC	Tue, Mar 28, 2017	2.10	2.15	2.06	2.13
2717	NASDAQ	ATEC	Mon, Mar 27, 2017	2.18	2.18	2.02	2.08
2716	NASDAQ	ATEC	Fri, Mar 24, 2017	2.09	2.21	2.01	2.19
2715	NASDAQ	ATEC	Thu, Mar 23, 2017	2.44	2.50	1.96	2.07
2714	NASDAQ	ATEC	Wed, Mar 22, 2017	2.77	2.95	2.65	2.68
2713	NASDAQ	ATEC	Tue, Mar 21, 2017	2.91	3.01	2.70	2.80
2712	NASDAQ	ATEC	Mon, Mar 20, 2017	3.14	3.14	2.83	2.87
2711	NASDAQ	ATEC	Fri, Mar 17, 2017	3.29	3.32	3.15	3.17
2710	NASDAQ	ATEC	Thu, Mar 16, 2017	3.75	3.75	3.20	3.30
2709	NASDAQ	ATEC	Wed, Mar 15, 2017	3.92	3.92	3.71	3.81
2708	NASDAQ	ATEC	Tue, Mar 14, 2017	3.62	4.20	3.62	3.93
2707	NASDAQ	ATEC	Mon, Mar 13, 2017	3.54	3.86	3.44	3.61
2706	NASDAQ	ATEC	Fri, Mar 10, 2017	3.57	3.70	3.31	3.54
2705	NASDAQ	ATEC	Thu, Mar 9, 2017	3.61	3.76	3.40	3.57
2704	NASDAQ	ATEC	Wed, Mar 8, 2017	4.03	4.11	3.61	3.65
2703	NASDAQ	ATEC	Tue, Mar 7, 2017	4.04	4.35	3.81	4.02
2702	NASDAQ	ATEC	Mon, Mar 6, 2017	4.55	4.55	3.75	4.10
2701	NASDAQ	ATEC	Fri, Mar 3, 2017	3.93	5.80	3.93	4.58
2700	NASDAQ	ATEC	Thu, Mar 2, 2017	3.55	4.14	3.39	3.90
2699	NASDAQ	ATEC	Wed, Mar 1, 2017	3.32	3.73	3.25	3.54
2698	NASDAQ	ATEC	Tue, Feb 28, 2017	3.60	3.68	3.27	3.37
2697	NASDAQ	ATEC	Mon, Feb 27, 2017	3.60	3.74	3.24	3.57
2696	NASDAQ	ATEC	Fri, Feb 24, 2017	3.44	3.65	3.25	3.55
2695	NASDAQ	ATEC	Thu, Feb 23, 2017	3.19	3.34	2.81	3.27
2694	NASDAQ	ATEC	Wed, Feb 22, 2017	3.11	3.25	3.06	3.12
2693	NASDAQ	ATEC	Tue, Feb 21, 2017	3.09	3.10	2.93	3.09
2692	NASDAQ	ATEC	Fri, Feb 17, 2017	2.91	2.94	2.62	2.91
2691	NASDAQ	ATEC	Thu, Feb 16, 2017	2.94	2.98	2.88	2.89
2690	NASDAQ	ATEC	Wed, Feb 15, 2017	2.95	3.15	2.90	2.98
2689	NASDAQ	ATEC	Tue, Feb 14, 2017	3.09	3.09	2.89	2.93
2688	NASDAQ	ATEC	Mon, Feb 13, 2017	2.90	3.06	2.90	2.98
2687	NASDAQ	ATEC	Fri, Feb 10, 2017	2.95	3.05	2.82	2.92
2686	NASDAQ	ATEC	Thu, Feb 9, 2017	2.94	3.18	2.81	2.95
2685	NASDAQ	ATEC	Wed, Feb 8, 2017	2.92	2.99	2.83	2.99
2684	NASDAQ	ATEC	Tue, Feb 7, 2017	2.90	2.96	2.90	2.92
2683	NASDAQ	ATEC	Mon, Feb 6, 2017	3.02	3.02	2.88	2.88
2682	NASDAQ	ATEC	Fri, Feb 3, 2017	3.02	3.10	2.82	3.00
2681	NASDAQ	ATEC	Thu, Feb 2, 2017	2.90	3.29	2.90	3.04
2680	NASDAQ	ATEC	Wed, Feb 1, 2017	2.90	3.09	2.90	2.96
2679	NASDAQ	ATEC	Tue, Jan 31, 2017	3.01	3.01	2.80	2.89
2678	NASDAQ	ATEC	Mon, Jan 30, 2017	3.14	3.15	2.63	2.98
2677	NASDAQ	ATEC	Fri, Jan 27, 2017	3.33	3.42	3.06	3.14
2676	NASDAQ	ATEC	Thu, Jan 26, 2017	3.27	3.37	3.07	3.24
2675	NASDAQ	ATEC	Wed, Jan 25, 2017	3.21	3.36	3.18	3.27
2674	NASDAQ	ATEC	Tue, Jan 24, 2017	3.26	3.33	3.18	3.22
2673	NASDAQ	ATEC	Mon, Jan 23, 2017	3.52	3.52	3.22	3.24
2672	NASDAQ	ATEC	Fri, Jan 20, 2017	3.36	3.55	3.36	3.41
2671	NASDAQ	ATEC	Thu, Jan 19, 2017	3.56	3.56	3.35	3.40
2670	NASDAQ	ATEC	Wed, Jan 18, 2017	3.64	3.64	3.46	3.51
2669	NASDAQ	ATEC	Tue, Jan 17, 2017	3.63	3.70	3.51	3.56
2668	NASDAQ	ATEC	Fri, Jan 13, 2017	3.51	3.67	3.41	3.55
2667	NASDAQ	ATEC	Thu, Jan 12, 2017	3.60	3.60	3.45	3.50
2666	NASDAQ	ATEC	Wed, Jan 11, 2017	3.55	3.65	3.55	3.59
2665	NASDAQ	ATEC	Tue, Jan 10, 2017	3.57	3.70	3.52	3.54
2664	NASDAQ	ATEC	Mon, Jan 9, 2017	3.57	3.91	3.50	3.53
2663	NASDAQ	ATEC	Fri, Jan 6, 2017	3.69	3.74	3.38	3.54
2662	NASDAQ	ATEC	Thu, Jan 5, 2017	3.33	3.72	3.30	3.52
2661	NASDAQ	ATEC	Wed, Jan 4, 2017	3.25	3.47	3.08	3.31
2660	NASDAQ	ATEC	Tue, Jan 3, 2017	3.20	3.53	3.20	3.22
2659	NASDAQ	ATEC	Fri, Dec 30, 2016	3.40	3.50	3.21	3.21
2658	NASDAQ	ATEC	Thu, Dec 29, 2016	3.38	3.64	3.28	3.40
2657	NASDAQ	ATEC	Wed, Dec 28, 2016	3.32	3.72	3.15	3.53
2656	NASDAQ	ATEC	Tue, Dec 27, 2016	3.44	3.45	3.12	3.37
2655	NASDAQ	ATEC	Fri, Dec 23, 2016	3.50	3.50	3.26	3.41
2654	NASDAQ	ATEC	Thu, Dec 22, 2016	3.52	3.85	3.40	3.49
2653	NASDAQ	ATEC	Wed, Dec 21, 2016	3.80	3.89	3.29	3.58
2652	NASDAQ	ATEC	Tue, Dec 20, 2016	4.08	4.08	3.73	3.81
2651	NASDAQ	ATEC	Mon, Dec 19, 2016	4.02	4.15	3.92	4.00
2650	NASDAQ	ATEC	Fri, Dec 16, 2016	4.11	4.45	3.82	4.02
2649	NASDAQ	ATEC	Thu, Dec 15, 2016	4.03	4.43	3.93	4.11
2648	NASDAQ	ATEC	Wed, Dec 14, 2016	4.26	4.29	3.97	4.09
2647	NASDAQ	ATEC	Tue, Dec 13, 2016	4.42	4.56	4.20	4.30
2646	NASDAQ	ATEC	Mon, Dec 12, 2016	4.54	4.82	4.35	4.43
2645	NASDAQ	ATEC	Fri, Dec 9, 2016	4.85	4.99	4.81	4.90
2644	NASDAQ	ATEC	Thu, Dec 8, 2016	4.83	4.98	4.80	4.88
2643	NASDAQ	ATEC	Wed, Dec 7, 2016	4.85	5.15	4.85	4.85
2642	NASDAQ	ATEC	Tue, Dec 6, 2016	5.06	5.26	4.90	4.92
2641	NASDAQ	ATEC	Mon, Dec 5, 2016	5.32	5.33	5.00	5.08
2640	NASDAQ	ATEC	Fri, Dec 2, 2016	5.10	5.12	5.03	5.09
2639	NASDAQ	ATEC	Thu, Dec 1, 2016	5.19	5.26	5.01	5.09
2638	NASDAQ	ATEC	Wed, Nov 30, 2016	5.31	5.41	5.05	5.23
2637	NASDAQ	ATEC	Tue, Nov 29, 2016	5.53	5.69	5.28	5.34
2636	NASDAQ	ATEC	Mon, Nov 28, 2016	5.50	5.81	5.35	5.67
2635	NASDAQ	ATEC	Fri, Nov 25, 2016	5.40	5.68	5.25	5.56
2634	NASDAQ	ATEC	Wed, Nov 23, 2016	5.01	5.53	4.91	5.36
2633	NASDAQ	ATEC	Tue, Nov 22, 2016	5.32	5.32	5.06	5.14
2632	NASDAQ	ATEC	Mon, Nov 21, 2016	5.20	5.61	5.14	5.34
2631	NASDAQ	ATEC	Fri, Nov 18, 2016	5.15	5.28	5.02	5.25
2630	NASDAQ	ATEC	Thu, Nov 17, 2016	5.04	5.27	5.04	5.23
2629	NASDAQ	ATEC	Wed, Nov 16, 2016	5.57	5.57	5.01	5.10
2628	NASDAQ	ATEC	Tue, Nov 15, 2016	5.14	5.35	4.97	5.19
2627	NASDAQ	ATEC	Mon, Nov 14, 2016	4.60	5.33	4.59	5.17
2626	NASDAQ	ATEC	Fri, Nov 11, 2016	4.58	5.29	4.15	4.70
2625	NASDAQ	ATEC	Thu, Nov 10, 2016	5.32	5.34	4.52	4.73
2624	NASDAQ	ATEC	Wed, Nov 9, 2016	5.58	5.58	5.31	5.41
2623	NASDAQ	ATEC	Tue, Nov 8, 2016	6.08	6.08	5.62	5.62
2622	NASDAQ	ATEC	Mon, Nov 7, 2016	5.97	6.40	5.91	5.97
2621	NASDAQ	ATEC	Fri, Nov 4, 2016	6.04	6.19	5.86	5.98
2620	NASDAQ	ATEC	Thu, Nov 3, 2016	6.00	6.15	5.62	6.07
2619	NASDAQ	ATEC	Wed, Nov 2, 2016	5.92	6.29	5.82	5.99
2618	NASDAQ	ATEC	Tue, Nov 1, 2016	6.25	6.40	5.83	5.97
2617	NASDAQ	ATEC	Mon, Oct 31, 2016	6.23	6.31	5.92	6.23
2616	NASDAQ	ATEC	Fri, Oct 28, 2016	6.62	6.62	6.16	6.28
2615	NASDAQ	ATEC	Thu, Oct 27, 2016	6.30	6.78	6.30	6.55
2614	NASDAQ	ATEC	Wed, Oct 26, 2016	5.82	6.30	5.56	6.29
2613	NASDAQ	ATEC	Tue, Oct 25, 2016	6.19	6.27	5.83	5.90
2612	NASDAQ	ATEC	Mon, Oct 24, 2016	6.18	6.37	6.01	6.18
2611	NASDAQ	ATEC	Fri, Oct 21, 2016	5.95	6.37	5.90	6.21
2610	NASDAQ	ATEC	Thu, Oct 20, 2016	6.38	6.60	5.78	5.98
2609	NASDAQ	ATEC	Wed, Oct 19, 2016	6.82	6.98	6.26	6.42
2608	NASDAQ	ATEC	Tue, Oct 18, 2016	6.54	6.82	6.38	6.69
2607	NASDAQ	ATEC	Mon, Oct 17, 2016	6.59	6.80	6.28	6.52
2606	NASDAQ	ATEC	Fri, Oct 14, 2016	6.77	6.77	6.38	6.58
2605	NASDAQ	ATEC	Thu, Oct 13, 2016	6.91	7.09	6.63	6.67
2604	NASDAQ	ATEC	Wed, Oct 12, 2016	6.77	7.36	6.36	7.02
2603	NASDAQ	ATEC	Tue, Oct 11, 2016	6.64	6.96	6.31	6.83
2602	NASDAQ	ATEC	Mon, Oct 10, 2016	7.24	7.25	6.71	6.72
2601	NASDAQ	ATEC	Fri, Oct 7, 2016	6.45	7.58	6.16	7.27
2600	NASDAQ	ATEC	Thu, Oct 6, 2016	6.90	6.95	6.15	6.62
2599	NASDAQ	ATEC	Wed, Oct 5, 2016	7.22	7.43	7.02	7.33
2598	NASDAQ	ATEC	Tue, Oct 4, 2016	8.15	8.40	7.12	7.37
2597	NASDAQ	ATEC	Mon, Oct 3, 2016	9.25	9.27	7.92	8.22
2596	NASDAQ	ATEC	Fri, Sep 30, 2016	9.18	9.65	9.05	9.40
2595	NASDAQ	ATEC	Thu, Sep 29, 2016	9.00	9.40	8.73	9.33
2594	NASDAQ	ATEC	Wed, Sep 28, 2016	8.63	9.03	8.46	8.98
2593	NASDAQ	ATEC	Tue, Sep 27, 2016	8.13	8.58	7.72	8.43
2592	NASDAQ	ATEC	Mon, Sep 26, 2016	8.44	9.01	8.12	8.21
2591	NASDAQ	ATEC	Fri, Sep 23, 2016	8.26	9.43	8.26	8.63
2590	NASDAQ	ATEC	Thu, Sep 22, 2016	7.38	8.34	7.22	8.25
2589	NASDAQ	ATEC	Wed, Sep 21, 2016	6.30	7.18	6.28	7.12
2588	NASDAQ	ATEC	Tue, Sep 20, 2016	6.22	6.53	6.15	6.33
2587	NASDAQ	ATEC	Mon, Sep 19, 2016	6.54	7.44	6.10	6.27
2586	NASDAQ	ATEC	Fri, Sep 16, 2016	5.21	6.34	5.21	6.32
2585	NASDAQ	ATEC	Thu, Sep 15, 2016	5.02	5.27	4.88	5.26
2584	NASDAQ	ATEC	Wed, Sep 14, 2016	4.80	5.51	4.61	5.02
2583	NASDAQ	ATEC	Tue, Sep 13, 2016	4.46	4.85	4.26	4.77
2582	NASDAQ	ATEC	Mon, Sep 12, 2016	4.21	4.57	4.11	4.50
2581	NASDAQ	ATEC	Fri, Sep 9, 2016	4.14	4.27	4.14	4.26
2580	NASDAQ	ATEC	Thu, Sep 8, 2016	4.15	4.27	4.05	4.18
2579	NASDAQ	ATEC	Wed, Sep 7, 2016	4.03	4.28	3.99	4.18
2578	NASDAQ	ATEC	Tue, Sep 6, 2016	4.45	4.45	3.94	4.00
2577	NASDAQ	ATEC	Fri, Sep 2, 2016	4.99	4.99	4.17	4.49
2576	NASDAQ	ATEC	Thu, Sep 1, 2016	4.00	4.25	3.91	4.13
2575	NASDAQ	ATEC	Wed, Aug 31, 2016	3.97	4.05	3.90	4.00
2574	NASDAQ	ATEC	Tue, Aug 30, 2016	3.86	4.46	3.76	3.94
2573	NASDAQ	ATEC	Mon, Aug 29, 2016	3.64	3.94	3.57	3.83
2572	NASDAQ	ATEC	Fri, Aug 26, 2016	3.53	3.71	3.36	3.69
2571	NASDAQ	ATEC	Thu, Aug 25, 2016	3.80	3.80	3.04	3.60
2570	NASDAQ	ATEC	Wed, Aug 24, 2016	3.84	3.96	3.36	3.60
2569	NASDAQ	ATEC	Tue, Aug 23, 2016	4.08	4.08	3.44	3.72
2568	NASDAQ	ATEC	Mon, Aug 22, 2016	3.90	4.20	3.72	4.08
2567	NASDAQ	ATEC	Fri, Aug 19, 2016	3.78	3.78	2.64	3.69
2566	NASDAQ	ATEC	Thu, Aug 18, 2016	3.72	3.83	3.48	3.72
2565	NASDAQ	ATEC	Wed, Aug 17, 2016	3.84	3.84	3.50	3.66
2564	NASDAQ	ATEC	Tue, Aug 16, 2016	3.38	3.84	3.24	3.48
2563	NASDAQ	ATEC	Mon, Aug 15, 2016	4.31	4.32	3.38	3.48
2562	NASDAQ	ATEC	Fri, Aug 12, 2016	4.33	4.44	4.17	4.32
2561	NASDAQ	ATEC	Thu, Aug 11, 2016	4.20	4.68	4.08	4.20
2560	NASDAQ	ATEC	Wed, Aug 10, 2016	4.68	4.77	4.20	4.20
2559	NASDAQ	ATEC	Tue, Aug 9, 2016	4.58	4.80	4.58	4.77
2558	NASDAQ	ATEC	Mon, Aug 8, 2016	4.78	4.92	4.68	4.79
2557	NASDAQ	ATEC	Fri, Aug 5, 2016	4.73	4.92	4.69	4.92
2556	NASDAQ	ATEC	Thu, Aug 4, 2016	4.92	4.92	4.52	4.86
2555	NASDAQ	ATEC	Wed, Aug 3, 2016	4.80	4.92	4.33	4.80
2554	NASDAQ	ATEC	Tue, Aug 2, 2016	4.80	4.92	4.69	4.69
2553	NASDAQ	ATEC	Mon, Aug 1, 2016	4.98	4.98	4.56	4.80
2552	NASDAQ	ATEC	Fri, Jul 29, 2016	4.56	5.03	4.24	4.92
2551	NASDAQ	ATEC	Thu, Jul 28, 2016	4.20	4.74	4.20	4.56
2550	NASDAQ	ATEC	Wed, Jul 27, 2016	5.40	5.40	4.21	4.32
2549	NASDAQ	ATEC	Tue, Jul 26, 2016	4.56	4.56	4.20	4.44
2548	NASDAQ	ATEC	Mon, Jul 25, 2016	4.80	4.80	4.32	4.44
2547	NASDAQ	ATEC	Fri, Jul 22, 2016	4.32	4.68	4.08	4.68
2546	NASDAQ	ATEC	Thu, Jul 21, 2016	4.38	4.38	4.06	4.32
2545	NASDAQ	ATEC	Wed, Jul 20, 2016	4.44	4.50	3.96	4.38
2544	NASDAQ	ATEC	Tue, Jul 19, 2016	4.44	4.44	4.22	4.44
2543	NASDAQ	ATEC	Mon, Jul 18, 2016	4.42	4.50	4.09	4.44
2542	NASDAQ	ATEC	Fri, Jul 15, 2016	4.33	4.50	4.20	4.32
2541	NASDAQ	ATEC	Thu, Jul 14, 2016	4.50	4.50	4.20	4.44
2540	NASDAQ	ATEC	Wed, Jul 13, 2016	4.56	4.56	4.38	4.41
2539	NASDAQ	ATEC	Tue, Jul 12, 2016	4.20	4.44	4.17	4.30
2538	NASDAQ	ATEC	Mon, Jul 11, 2016	4.44	4.44	4.20	4.44
2537	NASDAQ	ATEC	Fri, Jul 8, 2016	4.43	4.68	4.21	4.35
2536	NASDAQ	ATEC	Thu, Jul 7, 2016	4.68	4.68	4.20	4.40
2535	NASDAQ	ATEC	Wed, Jul 6, 2016	4.79	4.80	4.44	4.68
2534	NASDAQ	ATEC	Tue, Jul 5, 2016	5.22	5.28	4.01	4.61
2533	NASDAQ	ATEC	Fri, Jul 1, 2016	4.44	5.08	4.35	5.04
2532	NASDAQ	ATEC	Thu, Jun 30, 2016	4.32	4.50	3.84	4.20
2531	NASDAQ	ATEC	Wed, Jun 29, 2016	4.08	4.26	3.96	4.14
2530	NASDAQ	ATEC	Tue, Jun 28, 2016	3.59	4.08	3.48	3.85
2529	NASDAQ	ATEC	Mon, Jun 27, 2016	3.36	3.78	3.36	3.61
2528	NASDAQ	ATEC	Fri, Jun 24, 2016	3.38	3.82	3.24	3.36
2527	NASDAQ	ATEC	Thu, Jun 23, 2016	3.60	4.20	3.24	3.39
2526	NASDAQ	ATEC	Wed, Jun 22, 2016	3.12	4.50	3.00	3.11
2525	NASDAQ	ATEC	Tue, Jun 21, 2016	3.04	3.22	2.88	3.00
2524	NASDAQ	ATEC	Mon, Jun 20, 2016	3.06	3.06	2.76	3.00
2523	NASDAQ	ATEC	Fri, Jun 17, 2016	3.03	3.04	2.76	2.76
2522	NASDAQ	ATEC	Thu, Jun 16, 2016	3.00	3.04	2.71	2.84
2521	NASDAQ	ATEC	Wed, Jun 15, 2016	3.00	3.00	2.66	3.00
2520	NASDAQ	ATEC	Tue, Jun 14, 2016	2.96	3.00	2.64	2.95
2519	NASDAQ	ATEC	Mon, Jun 13, 2016	2.88	3.00	2.58	2.88
2518	NASDAQ	ATEC	Fri, Jun 10, 2016	2.88	2.88	2.58	2.88
2517	NASDAQ	ATEC	Thu, Jun 9, 2016	2.76	2.82	2.67	2.82
2516	NASDAQ	ATEC	Wed, Jun 8, 2016	2.76	2.76	2.52	2.76
2515	NASDAQ	ATEC	Tue, Jun 7, 2016	2.88	2.88	2.52	2.64
2514	NASDAQ	ATEC	Mon, Jun 6, 2016	2.52	2.64	2.52	2.64
2513	NASDAQ	ATEC	Fri, Jun 3, 2016	2.38	2.52	2.34	2.47
2512	NASDAQ	ATEC	Thu, Jun 2, 2016	2.52	2.52	2.34	2.39
2511	NASDAQ	ATEC	Wed, Jun 1, 2016	2.52	2.64	2.32	2.41
2510	NASDAQ	ATEC	Tue, May 31, 2016	2.49	2.49	2.31	2.48
2509	NASDAQ	ATEC	Fri, May 27, 2016	2.47	2.52	2.29	2.29
2508	NASDAQ	ATEC	Thu, May 26, 2016	2.52	2.52	2.34	2.40
2507	NASDAQ	ATEC	Wed, May 25, 2016	2.30	2.52	2.22	2.40
2506	NASDAQ	ATEC	Tue, May 24, 2016	2.46	2.46	2.24	2.34
2505	NASDAQ	ATEC	Mon, May 23, 2016	2.22	2.46	2.22	2.40
2504	NASDAQ	ATEC	Fri, May 20, 2016	2.22	2.28	2.22	2.22
2503	NASDAQ	ATEC	Thu, May 19, 2016	2.28	2.28	2.22	2.22
2502	NASDAQ	ATEC	Wed, May 18, 2016	2.34	2.34	2.17	2.28
2501	NASDAQ	ATEC	Tue, May 17, 2016	2.28	2.34	2.16	2.26
2500	NASDAQ	ATEC	Mon, May 16, 2016	2.40	2.46	2.28	2.28
2499	NASDAQ	ATEC	Fri, May 13, 2016	2.37	2.46	2.32	2.34
2498	NASDAQ	ATEC	Thu, May 12, 2016	2.40	2.51	2.28	2.28
2497	NASDAQ	ATEC	Wed, May 11, 2016	2.52	2.64	2.16	2.40
2496	NASDAQ	ATEC	Tue, May 10, 2016	2.29	2.51	2.29	2.40
2495	NASDAQ	ATEC	Mon, May 9, 2016	2.56	2.56	2.16	2.38
2494	NASDAQ	ATEC	Fri, May 6, 2016	2.52	2.62	2.28	2.56
2493	NASDAQ	ATEC	Thu, May 5, 2016	2.88	2.88	2.50	2.70
2492	NASDAQ	ATEC	Wed, May 4, 2016	2.76	2.85	2.41	2.52
2491	NASDAQ	ATEC	Tue, May 3, 2016	2.76	2.98	2.70	2.76
2490	NASDAQ	ATEC	Mon, May 2, 2016	2.78	2.99	2.65	2.70
2489	NASDAQ	ATEC	Fri, Apr 29, 2016	2.88	3.00	2.65	2.65
2488	NASDAQ	ATEC	Thu, Apr 28, 2016	2.88	3.00	2.64	2.86
2487	NASDAQ	ATEC	Wed, Apr 27, 2016	2.99	3.00	2.65	2.83
2486	NASDAQ	ATEC	Tue, Apr 26, 2016	2.94	3.00	2.76	2.98
2485	NASDAQ	ATEC	Mon, Apr 25, 2016	3.00	3.00	2.82	2.88
2484	NASDAQ	ATEC	Fri, Apr 22, 2016	3.06	3.12	2.87	2.87
2483	NASDAQ	ATEC	Thu, Apr 21, 2016	3.00	3.12	3.00	3.00
2482	NASDAQ	ATEC	Wed, Apr 20, 2016	2.89	3.03	2.88	3.00
2481	NASDAQ	ATEC	Tue, Apr 19, 2016	2.88	3.00	2.88	2.94
2480	NASDAQ	ATEC	Mon, Apr 18, 2016	2.99	3.00	2.82	2.83
2479	NASDAQ	ATEC	Fri, Apr 15, 2016	2.88	3.00	2.76	2.83
2478	NASDAQ	ATEC	Thu, Apr 14, 2016	2.76	2.88	2.64	2.88
2477	NASDAQ	ATEC	Wed, Apr 13, 2016	2.64	2.88	2.64	2.64
2476	NASDAQ	ATEC	Tue, Apr 12, 2016	2.76	2.88	2.54	2.76
2475	NASDAQ	ATEC	Mon, Apr 11, 2016	2.76	2.76	2.41	2.76
2474	NASDAQ	ATEC	Fri, Apr 8, 2016	2.88	2.88	2.66	2.76
2473	NASDAQ	ATEC	Thu, Apr 7, 2016	2.76	2.88	2.76	2.87
2472	NASDAQ	ATEC	Wed, Apr 6, 2016	2.94	3.00	2.64	2.76
2471	NASDAQ	ATEC	Tue, Apr 5, 2016	2.70	2.70	2.70	2.88
2470	NASDAQ	ATEC	Mon, Apr 4, 2016	2.88	3.00	2.70	2.70
2469	NASDAQ	ATEC	Fri, Apr 1, 2016	3.00	3.00	2.52	2.82
2468	NASDAQ	ATEC	Thu, Mar 31, 2016	3.12	3.18	3.00	3.12
2467	NASDAQ	ATEC	Wed, Mar 30, 2016	3.12	3.28	2.89	3.06
2466	NASDAQ	ATEC	Tue, Mar 29, 2016	3.12	3.36	3.00	3.01
2465	NASDAQ	ATEC	Mon, Mar 28, 2016	2.76	3.19	2.46	3.06
2464	NASDAQ	ATEC	Thu, Mar 24, 2016	2.76	2.76	2.76	2.76
2463	NASDAQ	ATEC	Wed, Mar 23, 2016	2.88	2.88	2.76	2.76
2462	NASDAQ	ATEC	Tue, Mar 22, 2016	2.88	2.88	2.76	2.88
2461	NASDAQ	ATEC	Mon, Mar 21, 2016	3.00	3.00	2.76	2.88
2460	NASDAQ	ATEC	Fri, Mar 18, 2016	3.00	3.36	2.70	2.76
2459	NASDAQ	ATEC	Thu, Mar 17, 2016	3.36	3.36	3.00	3.24
2458	NASDAQ	ATEC	Wed, Mar 16, 2016	3.12	3.36	2.88	3.00
2457	NASDAQ	ATEC	Tue, Mar 15, 2016	3.48	3.48	3.48	3.12
2456	NASDAQ	ATEC	Mon, Mar 14, 2016	3.48	3.60	3.25	3.48
2455	NASDAQ	ATEC	Fri, Mar 11, 2016	3.00	3.00	3.00	3.47
2454	NASDAQ	ATEC	Thu, Mar 10, 2016	3.36	3.36	3.36	3.00
2453	NASDAQ	ATEC	Wed, Mar 9, 2016	3.26	3.48	3.12	3.12
2452	NASDAQ	ATEC	Tue, Mar 8, 2016	3.60	3.60	3.12	3.48
2451	NASDAQ	ATEC	Mon, Mar 7, 2016	3.43	3.60	3.36	3.48
2450	NASDAQ	ATEC	Fri, Mar 4, 2016	3.12	3.60	2.52	3.30
2449	NASDAQ	ATEC	Thu, Mar 3, 2016	2.49	2.49	2.49	3.06
2448	NASDAQ	ATEC	Wed, Mar 2, 2016	2.28	2.49	2.28	2.27
2447	NASDAQ	ATEC	Tue, Mar 1, 2016	2.39	2.46	2.16	2.28
2446	NASDAQ	ATEC	Mon, Feb 29, 2016	2.40	2.40	2.28	2.46
2445	NASDAQ	ATEC	Fri, Feb 26, 2016	2.40	2.46	2.35	2.46
2444	NASDAQ	ATEC	Thu, Feb 25, 2016	2.28	2.40	2.28	2.40
2443	NASDAQ	ATEC	Wed, Feb 24, 2016	2.40	2.40	2.28	2.28
2442	NASDAQ	ATEC	Tue, Feb 23, 2016	2.40	2.43	2.37	2.40
2441	NASDAQ	ATEC	Mon, Feb 22, 2016	2.52	2.52	2.34	2.34
2440	NASDAQ	ATEC	Fri, Feb 19, 2016	2.40	2.52	2.34	2.34
2439	NASDAQ	ATEC	Thu, Feb 18, 2016	2.29	2.46	2.29	2.42
2438	NASDAQ	ATEC	Wed, Feb 17, 2016	2.52	2.52	2.29	2.40
2437	NASDAQ	ATEC	Tue, Feb 16, 2016	2.52	2.58	2.28	2.46
2436	NASDAQ	ATEC	Fri, Feb 12, 2016	2.59	2.65	2.28	2.46
2435	NASDAQ	ATEC	Thu, Feb 11, 2016	2.40	2.64	2.40	2.51
2434	NASDAQ	ATEC	Wed, Feb 10, 2016	3.02	3.02	2.22	2.31
2433	NASDAQ	ATEC	Tue, Feb 9, 2016	4.20	4.20	1.80	3.11
2432	NASDAQ	ATEC	Mon, Feb 8, 2016	4.80	5.04	4.56	4.56
2431	NASDAQ	ATEC	Fri, Feb 5, 2016	4.80	5.04	4.74	4.80
2430	NASDAQ	ATEC	Thu, Feb 4, 2016	4.80	5.04	4.68	4.74
2429	NASDAQ	ATEC	Wed, Feb 3, 2016	4.94	5.04	4.49	5.04
2428	NASDAQ	ATEC	Tue, Feb 2, 2016	4.92	5.40	4.68	4.68
2427	NASDAQ	ATEC	Mon, Feb 1, 2016	5.35	5.64	4.92	5.04
2426	NASDAQ	ATEC	Fri, Jan 29, 2016	4.68	5.56	4.68	5.10
2425	NASDAQ	ATEC	Thu, Jan 28, 2016	5.28	5.50	4.20	4.44
2424	NASDAQ	ATEC	Wed, Jan 27, 2016	5.10	5.88	4.98	5.28
2423	NASDAQ	ATEC	Tue, Jan 26, 2016	4.67	6.94	4.67	5.40
2422	NASDAQ	ATEC	Mon, Jan 25, 2016	3.48	4.67	3.48	4.44
2421	NASDAQ	ATEC	Fri, Jan 22, 2016	3.48	3.60	3.42	3.50
2420	NASDAQ	ATEC	Thu, Jan 21, 2016	3.48	3.60	3.30	3.60
2419	NASDAQ	ATEC	Wed, Jan 20, 2016	3.48	3.60	3.36	3.53
2418	NASDAQ	ATEC	Tue, Jan 19, 2016	3.48	3.72	3.48	3.57
2417	NASDAQ	ATEC	Fri, Jan 15, 2016	3.48	3.60	3.36	3.43
2416	NASDAQ	ATEC	Thu, Jan 14, 2016	3.55	3.55	3.36	3.54
2415	NASDAQ	ATEC	Wed, Jan 13, 2016	3.24	3.55	3.24	3.55
2414	NASDAQ	ATEC	Tue, Jan 12, 2016	3.12	3.59	3.00	3.18
2413	NASDAQ	ATEC	Mon, Jan 11, 2016	3.79	3.87	2.88	3.11
2412	NASDAQ	ATEC	Fri, Jan 8, 2016	3.96	4.20	3.36	3.72
2411	NASDAQ	ATEC	Thu, Jan 7, 2016	3.72	4.08	3.72	3.84
2410	NASDAQ	ATEC	Wed, Jan 6, 2016	3.72	4.20	3.60	3.68
2409	NASDAQ	ATEC	Tue, Jan 5, 2016	3.72	3.78	3.36	3.60
2408	NASDAQ	ATEC	Mon, Jan 4, 2016	3.36	3.84	3.24	3.63
2407	NASDAQ	ATEC	Thu, Dec 31, 2015	3.60	3.72	3.24	3.60
2406	NASDAQ	ATEC	Wed, Dec 30, 2015	3.60	3.84	3.14	3.60
2405	NASDAQ	ATEC	Tue, Dec 29, 2015	3.72	4.20	3.61	3.72
2404	NASDAQ	ATEC	Mon, Dec 28, 2015	4.44	4.44	3.60	3.80
2403	NASDAQ	ATEC	Thu, Dec 24, 2015	3.12	4.56	2.89	3.98
2402	NASDAQ	ATEC	Wed, Dec 23, 2015	2.28	2.61	2.28	2.52
2401	NASDAQ	ATEC	Tue, Dec 22, 2015	2.40	2.46	2.37	2.37
2400	NASDAQ	ATEC	Mon, Dec 21, 2015	2.37	2.60	2.37	2.40
2399	NASDAQ	ATEC	Fri, Dec 18, 2015	2.28	2.64	2.28	2.64
2398	NASDAQ	ATEC	Thu, Dec 17, 2015	2.40	2.80	2.37	2.52
2397	NASDAQ	ATEC	Wed, Dec 16, 2015	2.40	2.63	2.35	2.39
2396	NASDAQ	ATEC	Tue, Dec 15, 2015	2.22	2.76	2.16	2.35
2395	NASDAQ	ATEC	Mon, Dec 14, 2015	2.82	2.86	2.28	2.29
2394	NASDAQ	ATEC	Fri, Dec 11, 2015	2.98	2.98	2.76	2.76
2393	NASDAQ	ATEC	Thu, Dec 10, 2015	2.94	3.12	2.76	2.92
2392	NASDAQ	ATEC	Wed, Dec 9, 2015	2.76	3.12	2.76	2.83
2391	NASDAQ	ATEC	Tue, Dec 8, 2015	2.86	3.00	2.64	3.00
2390	NASDAQ	ATEC	Mon, Dec 7, 2015	2.76	2.85	2.76	2.80
2389	NASDAQ	ATEC	Fri, Dec 4, 2015	2.82	2.88	2.64	2.76
2388	NASDAQ	ATEC	Thu, Dec 3, 2015	2.77	2.94	2.67	2.82
2387	NASDAQ	ATEC	Wed, Dec 2, 2015	2.94	3.00	2.67	2.83
2386	NASDAQ	ATEC	Tue, Dec 1, 2015	2.84	3.27	2.67	2.76
2385	NASDAQ	ATEC	Mon, Nov 30, 2015	3.00	3.42	2.64	2.76
2384	NASDAQ	ATEC	Fri, Nov 27, 2015	2.64	3.00	2.59	2.88
2383	NASDAQ	ATEC	Wed, Nov 25, 2015	2.88	2.88	2.56	2.59
2382	NASDAQ	ATEC	Tue, Nov 24, 2015	2.77	2.88	2.54	2.70
2381	NASDAQ	ATEC	Mon, Nov 23, 2015	2.66	2.94	2.66	2.76
2380	NASDAQ	ATEC	Fri, Nov 20, 2015	2.82	3.00	2.64	2.76
2379	NASDAQ	ATEC	Thu, Nov 19, 2015	2.76	3.00	2.58	2.76
2378	NASDAQ	ATEC	Wed, Nov 18, 2015	2.58	3.00	2.58	2.64
2377	NASDAQ	ATEC	Tue, Nov 17, 2015	3.00	3.00	2.53	2.53
2376	NASDAQ	ATEC	Mon, Nov 16, 2015	2.88	2.88	2.52	2.59
2375	NASDAQ	ATEC	Fri, Nov 13, 2015	3.48	3.48	2.70	2.70
2374	NASDAQ	ATEC	Thu, Nov 12, 2015	3.36	3.66	3.28	3.36
2373	NASDAQ	ATEC	Wed, Nov 11, 2015	3.90	3.94	2.66	3.27
2372	NASDAQ	ATEC	Tue, Nov 10, 2015	4.02	4.20	3.72	3.83
2371	NASDAQ	ATEC	Mon, Nov 9, 2015	3.96	4.17	3.86	4.07
2370	NASDAQ	ATEC	Fri, Nov 6, 2015	4.08	4.20	3.84	3.84
2369	NASDAQ	ATEC	Thu, Nov 5, 2015	4.42	4.68	3.87	3.96
2368	NASDAQ	ATEC	Wed, Nov 4, 2015	4.20	4.74	3.84	4.20
2367	NASDAQ	ATEC	Tue, Nov 3, 2015	3.96	4.56	3.84	4.08
2366	NASDAQ	ATEC	Mon, Nov 2, 2015	4.56	4.68	3.84	3.97
2365	NASDAQ	ATEC	Fri, Oct 30, 2015	4.20	4.32	4.08	4.20
2364	NASDAQ	ATEC	Thu, Oct 29, 2015	3.84	4.20	3.78	4.08
2363	NASDAQ	ATEC	Wed, Oct 28, 2015	3.83	3.96	3.60	3.72
2362	NASDAQ	ATEC	Tue, Oct 27, 2015	3.78	3.96	3.68	3.68
2361	NASDAQ	ATEC	Mon, Oct 26, 2015	3.96	4.09	3.84	3.84
2360	NASDAQ	ATEC	Fri, Oct 23, 2015	3.94	4.22	3.72	3.84
2359	NASDAQ	ATEC	Thu, Oct 22, 2015	3.96	4.26	3.90	3.96
2358	NASDAQ	ATEC	Wed, Oct 21, 2015	3.96	4.80	3.84	3.84
2357	NASDAQ	ATEC	Tue, Oct 20, 2015	4.80	4.80	3.96	3.96
2356	NASDAQ	ATEC	Mon, Oct 19, 2015	4.74	4.92	4.23	4.36
2355	NASDAQ	ATEC	Fri, Oct 16, 2015	4.38	4.62	4.20	4.44
2354	NASDAQ	ATEC	Thu, Oct 15, 2015	4.56	4.92	3.72	4.24
2353	NASDAQ	ATEC	Wed, Oct 14, 2015	4.20	5.40	4.08	4.45
2352	NASDAQ	ATEC	Tue, Oct 13, 2015	4.20	4.20	3.91	3.96
2351	NASDAQ	ATEC	Mon, Oct 12, 2015	4.27	4.27	3.72	3.72
2350	NASDAQ	ATEC	Fri, Oct 9, 2015	4.30	4.32	4.08	4.09
2349	NASDAQ	ATEC	Thu, Oct 8, 2015	4.18	4.32	3.84	4.31
2348	NASDAQ	ATEC	Wed, Oct 7, 2015	4.08	4.44	3.72	4.02
2347	NASDAQ	ATEC	Tue, Oct 6, 2015	3.84	4.32	3.72	4.08
2346	NASDAQ	ATEC	Mon, Oct 5, 2015	4.39	4.39	3.84	3.88
2345	NASDAQ	ATEC	Fri, Oct 2, 2015	3.96	4.08	3.71	3.72
2344	NASDAQ	ATEC	Thu, Oct 1, 2015	3.96	4.08	3.61	3.84
2343	NASDAQ	ATEC	Wed, Sep 30, 2015	4.08	4.26	3.90	3.96
2342	NASDAQ	ATEC	Tue, Sep 29, 2015	3.97	4.39	3.84	3.84
2341	NASDAQ	ATEC	Mon, Sep 28, 2015	4.30	4.30	3.97	4.08
2340	NASDAQ	ATEC	Fri, Sep 25, 2015	4.44	4.56	4.15	4.20
2339	NASDAQ	ATEC	Thu, Sep 24, 2015	5.05	5.05	3.96	4.14
2338	NASDAQ	ATEC	Wed, Sep 23, 2015	5.28	5.28	4.38	4.38
2337	NASDAQ	ATEC	Tue, Sep 22, 2015	5.16	5.75	4.84	4.92
2336	NASDAQ	ATEC	Mon, Sep 21, 2015	5.94	6.19	4.95	5.06
2335	NASDAQ	ATEC	Fri, Sep 18, 2015	5.88	6.24	5.52	6.00
2334	NASDAQ	ATEC	Thu, Sep 17, 2015	6.36	6.40	5.52	5.92
2333	NASDAQ	ATEC	Wed, Sep 16, 2015	5.28	6.24	5.28	5.87
2332	NASDAQ	ATEC	Tue, Sep 15, 2015	5.10	5.40	4.98	5.18
2331	NASDAQ	ATEC	Mon, Sep 14, 2015	5.04	5.40	4.61	5.10
2330	NASDAQ	ATEC	Fri, Sep 11, 2015	5.52	5.52	4.80	4.81
2329	NASDAQ	ATEC	Thu, Sep 10, 2015	6.29	6.48	5.52	5.52
2328	NASDAQ	ATEC	Wed, Sep 9, 2015	6.36	6.60	6.24	6.24
2327	NASDAQ	ATEC	Tue, Sep 8, 2015	6.96	7.01	6.25	6.26
2326	NASDAQ	ATEC	Fri, Sep 4, 2015	6.85	7.08	6.84	6.96
2325	NASDAQ	ATEC	Thu, Sep 3, 2015	7.17	7.20	6.84	7.08
2324	NASDAQ	ATEC	Wed, Sep 2, 2015	7.18	7.18	6.84	6.84
2323	NASDAQ	ATEC	Tue, Sep 1, 2015	6.84	7.20	6.84	6.96
2322	NASDAQ	ATEC	Mon, Aug 31, 2015	6.60	7.06	6.55	6.90
2321	NASDAQ	ATEC	Fri, Aug 28, 2015	7.15	7.15	6.48	6.48
2320	NASDAQ	ATEC	Thu, Aug 27, 2015	7.20	7.20	6.65	6.84
2319	NASDAQ	ATEC	Wed, Aug 26, 2015	6.84	7.27	6.60	6.95
2318	NASDAQ	ATEC	Tue, Aug 25, 2015	7.08	7.32	6.60	6.60
2317	NASDAQ	ATEC	Mon, Aug 24, 2015	6.60	8.35	6.60	6.84
2316	NASDAQ	ATEC	Fri, Aug 21, 2015	6.90	7.44	6.72	6.92
2315	NASDAQ	ATEC	Thu, Aug 20, 2015	7.09	7.20	6.84	6.90
2314	NASDAQ	ATEC	Wed, Aug 19, 2015	7.20	7.68	7.20	7.32
2313	NASDAQ	ATEC	Tue, Aug 18, 2015	8.16	8.16	7.10	7.20
2312	NASDAQ	ATEC	Mon, Aug 17, 2015	8.28	8.51	7.80	7.92
2311	NASDAQ	ATEC	Fri, Aug 14, 2015	8.64	8.64	8.04	8.28
2310	NASDAQ	ATEC	Thu, Aug 13, 2015	8.64	8.64	8.16	8.28
2309	NASDAQ	ATEC	Wed, Aug 12, 2015	8.16	8.76	8.16	8.16
2308	NASDAQ	ATEC	Tue, Aug 11, 2015	8.76	8.88	8.04	8.16
2307	NASDAQ	ATEC	Mon, Aug 10, 2015	8.40	9.00	7.32	8.40
2306	NASDAQ	ATEC	Fri, Aug 7, 2015	6.84	8.93	6.48	7.92
2305	NASDAQ	ATEC	Thu, Aug 6, 2015	10.20	10.29	6.00	6.24
2304	NASDAQ	ATEC	Wed, Aug 5, 2015	15.24	15.42	8.64	9.36
2303	NASDAQ	ATEC	Tue, Aug 4, 2015	16.32	16.68	16.24	16.32
2302	NASDAQ	ATEC	Mon, Aug 3, 2015	16.80	16.80	16.20	16.32
2301	NASDAQ	ATEC	Fri, Jul 31, 2015	16.32	16.80	16.32	16.32
2300	NASDAQ	ATEC	Thu, Jul 30, 2015	16.56	16.68	16.32	16.32
2299	NASDAQ	ATEC	Wed, Jul 29, 2015	16.32	16.44	16.32	16.32
2298	NASDAQ	ATEC	Tue, Jul 28, 2015	16.44	16.56	16.20	16.32
2297	NASDAQ	ATEC	Mon, Jul 27, 2015	16.32	16.44	16.20	16.44
2296	NASDAQ	ATEC	Fri, Jul 24, 2015	16.32	16.56	15.96	16.32
2295	NASDAQ	ATEC	Thu, Jul 23, 2015	16.33	16.56	16.20	16.32
2294	NASDAQ	ATEC	Wed, Jul 22, 2015	16.44	16.56	16.32	16.32
2293	NASDAQ	ATEC	Tue, Jul 21, 2015	16.32	16.68	16.24	16.44
2292	NASDAQ	ATEC	Mon, Jul 20, 2015	17.16	17.16	16.20	16.32
2291	NASDAQ	ATEC	Fri, Jul 17, 2015	16.20	17.04	16.20	16.92
2290	NASDAQ	ATEC	Thu, Jul 16, 2015	16.44	16.68	16.26	16.32
2289	NASDAQ	ATEC	Wed, Jul 15, 2015	16.30	16.68	16.30	16.68
2288	NASDAQ	ATEC	Tue, Jul 14, 2015	16.32	16.68	16.32	16.68
2287	NASDAQ	ATEC	Mon, Jul 13, 2015	16.80	16.80	16.20	16.44
2286	NASDAQ	ATEC	Fri, Jul 10, 2015	16.20	16.80	16.20	16.80
2285	NASDAQ	ATEC	Thu, Jul 9, 2015	16.22	16.44	16.20	16.44
2284	NASDAQ	ATEC	Wed, Jul 8, 2015	16.20	16.80	16.08	16.20
2283	NASDAQ	ATEC	Tue, Jul 7, 2015	16.44	16.44	15.96	16.44
2282	NASDAQ	ATEC	Mon, Jul 6, 2015	16.56	16.56	15.96	16.32
2281	NASDAQ	ATEC	Thu, Jul 2, 2015	16.56	16.92	16.32	16.68
2280	NASDAQ	ATEC	Wed, Jul 1, 2015	16.56	16.80	16.56	16.56
2279	NASDAQ	ATEC	Tue, Jun 30, 2015	16.44	16.92	15.96	16.56
2278	NASDAQ	ATEC	Mon, Jun 29, 2015	16.44	16.80	16.20	16.56
2277	NASDAQ	ATEC	Fri, Jun 26, 2015	15.72	16.56	15.72	16.44
2276	NASDAQ	ATEC	Thu, Jun 25, 2015	16.61	16.80	16.20	16.20
2275	NASDAQ	ATEC	Wed, Jun 24, 2015	16.20	16.68	16.20	16.56
2274	NASDAQ	ATEC	Tue, Jun 23, 2015	17.16	17.16	16.56	16.56
2273	NASDAQ	ATEC	Mon, Jun 22, 2015	16.56	17.04	16.32	16.92
2272	NASDAQ	ATEC	Fri, Jun 19, 2015	16.44	17.04	15.72	15.72
2271	NASDAQ	ATEC	Thu, Jun 18, 2015	17.28	17.40	16.92	17.04
2270	NASDAQ	ATEC	Wed, Jun 17, 2015	17.40	17.52	16.68	17.04
2269	NASDAQ	ATEC	Tue, Jun 16, 2015	17.64	17.64	17.28	17.40
2268	NASDAQ	ATEC	Mon, Jun 15, 2015	17.28	17.64	17.28	17.40
2267	NASDAQ	ATEC	Fri, Jun 12, 2015	17.40	17.76	17.28	17.40
2266	NASDAQ	ATEC	Thu, Jun 11, 2015	17.52	17.76	17.40	17.40
2265	NASDAQ	ATEC	Wed, Jun 10, 2015	17.40	17.76	17.28	17.52
2264	NASDAQ	ATEC	Tue, Jun 9, 2015	16.80	17.40	16.80	17.40
2263	NASDAQ	ATEC	Mon, Jun 8, 2015	16.68	17.40	16.68	16.92
2262	NASDAQ	ATEC	Fri, Jun 5, 2015	16.56	16.80	16.56	16.80
2261	NASDAQ	ATEC	Thu, Jun 4, 2015	16.32	16.68	16.20	16.56
2260	NASDAQ	ATEC	Wed, Jun 3, 2015	16.20	16.56	16.20	16.44
2259	NASDAQ	ATEC	Tue, Jun 2, 2015	16.32	16.80	16.20	16.44
2258	NASDAQ	ATEC	Mon, Jun 1, 2015	16.32	16.68	16.20	16.32
2257	NASDAQ	ATEC	Fri, May 29, 2015	16.20	16.80	16.20	16.20
2256	NASDAQ	ATEC	Thu, May 28, 2015	16.20	16.68	16.20	16.32
2255	NASDAQ	ATEC	Wed, May 27, 2015	16.20	16.82	16.20	16.32
2254	NASDAQ	ATEC	Tue, May 26, 2015	16.56	16.56	16.20	16.20
2253	NASDAQ	ATEC	Fri, May 22, 2015	16.20	16.44	16.20	16.32
2252	NASDAQ	ATEC	Thu, May 21, 2015	16.80	17.04	16.20	16.20
2251	NASDAQ	ATEC	Wed, May 20, 2015	16.68	17.28	16.20	17.28
2250	NASDAQ	ATEC	Tue, May 19, 2015	16.20	16.68	16.20	16.44
2249	NASDAQ	ATEC	Mon, May 18, 2015	16.44	16.44	15.96	16.24
2248	NASDAQ	ATEC	Fri, May 15, 2015	15.48	16.44	15.48	16.44
2247	NASDAQ	ATEC	Thu, May 14, 2015	15.60	16.20	15.60	15.72
2246	NASDAQ	ATEC	Wed, May 13, 2015	15.48	16.20	15.48	15.72
2245	NASDAQ	ATEC	Tue, May 12, 2015	16.08	16.44	15.36	15.96
2244	NASDAQ	ATEC	Mon, May 11, 2015	16.20	16.20	15.84	16.20
2243	NASDAQ	ATEC	Fri, May 8, 2015	15.60	16.20	15.48	16.20
2242	NASDAQ	ATEC	Thu, May 7, 2015	16.20	16.20	15.60	15.72
2241	NASDAQ	ATEC	Wed, May 6, 2015	15.41	16.15	15.36	15.72
2240	NASDAQ	ATEC	Tue, May 5, 2015	16.20	16.20	15.48	15.72
2239	NASDAQ	ATEC	Mon, May 4, 2015	17.40	17.40	15.96	16.08
2238	NASDAQ	ATEC	Fri, May 1, 2015	16.68	17.40	16.30	17.04
2237	NASDAQ	ATEC	Thu, Apr 30, 2015	16.92	17.16	16.80	17.04
2236	NASDAQ	ATEC	Wed, Apr 29, 2015	16.80	17.16	16.80	16.80
2235	NASDAQ	ATEC	Tue, Apr 28, 2015	17.16	17.16	16.80	16.80
2234	NASDAQ	ATEC	Mon, Apr 27, 2015	16.80	17.28	16.68	16.92
2233	NASDAQ	ATEC	Fri, Apr 24, 2015	16.80	17.16	16.80	16.92
2232	NASDAQ	ATEC	Thu, Apr 23, 2015	17.10	17.10	16.80	16.80
2231	NASDAQ	ATEC	Wed, Apr 22, 2015	16.92	17.16	16.92	16.92
2230	NASDAQ	ATEC	Tue, Apr 21, 2015	16.92	17.16	16.80	16.80
2229	NASDAQ	ATEC	Mon, Apr 20, 2015	17.16	17.16	16.92	17.04
2228	NASDAQ	ATEC	Fri, Apr 17, 2015	16.80	17.64	16.80	17.16
2227	NASDAQ	ATEC	Thu, Apr 16, 2015	16.92	17.16	16.92	16.92
2226	NASDAQ	ATEC	Wed, Apr 15, 2015	16.80	17.04	16.44	16.80
2225	NASDAQ	ATEC	Tue, Apr 14, 2015	16.92	17.04	16.68	16.68
2224	NASDAQ	ATEC	Mon, Apr 13, 2015	17.04	17.16	16.44	17.16
2223	NASDAQ	ATEC	Fri, Apr 10, 2015	17.16	17.16	16.80	17.16
2222	NASDAQ	ATEC	Thu, Apr 9, 2015	16.80	17.16	16.80	17.04
2221	NASDAQ	ATEC	Wed, Apr 8, 2015	16.80	16.92	16.80	16.80
2220	NASDAQ	ATEC	Tue, Apr 7, 2015	16.80	17.16	16.56	17.16
2219	NASDAQ	ATEC	Mon, Apr 6, 2015	17.16	17.16	16.20	16.80
2218	NASDAQ	ATEC	Thu, Apr 2, 2015	17.40	17.40	16.44	16.92
2217	NASDAQ	ATEC	Wed, Apr 1, 2015	17.04	17.26	16.56	17.04
2216	NASDAQ	ATEC	Tue, Mar 31, 2015	16.92	17.52	16.68	17.40
2215	NASDAQ	ATEC	Mon, Mar 30, 2015	16.56	17.04	16.56	16.92
2214	NASDAQ	ATEC	Fri, Mar 27, 2015	16.80	17.28	16.80	16.80
2213	NASDAQ	ATEC	Thu, Mar 26, 2015	17.16	17.40	16.56	16.80
2212	NASDAQ	ATEC	Wed, Mar 25, 2015	16.91	17.88	16.80	17.28
2211	NASDAQ	ATEC	Tue, Mar 24, 2015	16.44	17.04	16.44	16.92
2210	NASDAQ	ATEC	Mon, Mar 23, 2015	15.60	16.80	15.36	16.32
2209	NASDAQ	ATEC	Fri, Mar 20, 2015	16.56	16.70	16.20	16.20
2208	NASDAQ	ATEC	Thu, Mar 19, 2015	16.80	17.04	16.68	17.04
2207	NASDAQ	ATEC	Wed, Mar 18, 2015	17.04	17.16	16.56	16.68
2206	NASDAQ	ATEC	Tue, Mar 17, 2015	17.40	17.40	16.56	17.28
2205	NASDAQ	ATEC	Mon, Mar 16, 2015	17.64	18.36	16.32	17.52
2204	NASDAQ	ATEC	Fri, Mar 13, 2015	17.28	17.88	17.28	17.64
2203	NASDAQ	ATEC	Thu, Mar 12, 2015	18.24	18.24	17.52	17.64
2202	NASDAQ	ATEC	Wed, Mar 11, 2015	17.88	18.24	17.82	18.00
2201	NASDAQ	ATEC	Tue, Mar 10, 2015	17.64	18.12	17.64	18.00
2200	NASDAQ	ATEC	Mon, Mar 9, 2015	18.00	18.36	17.91	18.00
2199	NASDAQ	ATEC	Fri, Mar 6, 2015	18.12	18.36	17.52	18.36
2198	NASDAQ	ATEC	Thu, Mar 5, 2015	18.00	18.44	18.00	18.00
2197	NASDAQ	ATEC	Wed, Mar 4, 2015	18.00	18.24	17.88	18.00
2196	NASDAQ	ATEC	Tue, Mar 3, 2015	17.88	18.36	17.64	18.24
2195	NASDAQ	ATEC	Mon, Mar 2, 2015	17.04	18.48	17.04	18.00
2194	NASDAQ	ATEC	Fri, Feb 27, 2015	16.80	18.00	16.80	17.40
2193	NASDAQ	ATEC	Thu, Feb 26, 2015	16.44	18.00	16.20	16.20
2192	NASDAQ	ATEC	Wed, Feb 25, 2015	16.20	16.32	16.08	16.20
2191	NASDAQ	ATEC	Tue, Feb 24, 2015	16.20	16.32	16.20	16.20
2190	NASDAQ	ATEC	Mon, Feb 23, 2015	16.20	16.44	15.96	16.20
2189	NASDAQ	ATEC	Fri, Feb 20, 2015	16.20	16.32	15.72	16.20
2188	NASDAQ	ATEC	Thu, Feb 19, 2015	16.44	16.44	15.72	16.20
2187	NASDAQ	ATEC	Wed, Feb 18, 2015	16.34	16.56	15.96	16.20
2186	NASDAQ	ATEC	Tue, Feb 17, 2015	15.84	16.32	15.72	16.20
2185	NASDAQ	ATEC	Fri, Feb 13, 2015	16.20	16.20	15.72	16.08
2184	NASDAQ	ATEC	Thu, Feb 12, 2015	15.85	16.08	15.72	16.08
2183	NASDAQ	ATEC	Wed, Feb 11, 2015	15.90	16.08	15.84	15.84
2182	NASDAQ	ATEC	Tue, Feb 10, 2015	15.72	16.08	15.72	16.08
2181	NASDAQ	ATEC	Mon, Feb 9, 2015	15.84	16.08	15.72	15.84
2180	NASDAQ	ATEC	Fri, Feb 6, 2015	16.08	16.08	15.84	16.08
2179	NASDAQ	ATEC	Thu, Feb 5, 2015	16.32	16.44	15.72	16.20
2178	NASDAQ	ATEC	Wed, Feb 4, 2015	15.84	16.68	15.48	16.20
2177	NASDAQ	ATEC	Tue, Feb 3, 2015	15.84	15.96	15.72	15.96
2176	NASDAQ	ATEC	Mon, Feb 2, 2015	15.60	15.72	15.36	15.72
2175	NASDAQ	ATEC	Fri, Jan 30, 2015	15.48	15.84	15.36	15.36
2174	NASDAQ	ATEC	Thu, Jan 29, 2015	15.48	15.84	15.36	15.72
2173	NASDAQ	ATEC	Wed, Jan 28, 2015	15.84	15.84	15.36	15.60
2172	NASDAQ	ATEC	Tue, Jan 27, 2015	15.60	16.20	15.36	15.84
2171	NASDAQ	ATEC	Mon, Jan 26, 2015	16.32	16.32	15.36	16.20
2170	NASDAQ	ATEC	Fri, Jan 23, 2015	16.08	16.68	16.08	16.44
2169	NASDAQ	ATEC	Thu, Jan 22, 2015	16.20	16.68	15.96	16.20
2168	NASDAQ	ATEC	Wed, Jan 21, 2015	16.08	16.44	15.96	16.08
2167	NASDAQ	ATEC	Tue, Jan 20, 2015	16.68	16.68	15.96	16.08
2166	NASDAQ	ATEC	Fri, Jan 16, 2015	16.32	16.92	16.32	16.80
2165	NASDAQ	ATEC	Thu, Jan 15, 2015	16.56	16.80	16.44	16.56
2164	NASDAQ	ATEC	Wed, Jan 14, 2015	16.80	16.92	16.32	16.80
2163	NASDAQ	ATEC	Tue, Jan 13, 2015	16.56	16.92	16.56	16.80
2162	NASDAQ	ATEC	Mon, Jan 12, 2015	16.80	16.80	16.44	16.44
2161	NASDAQ	ATEC	Fri, Jan 9, 2015	16.68	16.80	16.56	16.80
2160	NASDAQ	ATEC	Thu, Jan 8, 2015	16.56	16.92	16.56	16.80
2159	NASDAQ	ATEC	Wed, Jan 7, 2015	15.96	16.68	15.84	16.44
2158	NASDAQ	ATEC	Tue, Jan 6, 2015	16.56	17.16	16.44	16.80
2157	NASDAQ	ATEC	Mon, Jan 5, 2015	16.56	17.28	16.56	16.80
2156	NASDAQ	ATEC	Fri, Jan 2, 2015	16.68	17.28	16.44	16.80
2155	NASDAQ	ATEC	Wed, Dec 31, 2014	16.52	17.04	16.14	16.92
2154	NASDAQ	ATEC	Tue, Dec 30, 2014	15.48	16.32	15.24	15.96
2153	NASDAQ	ATEC	Mon, Dec 29, 2014	15.48	16.08	15.36	15.48
2152	NASDAQ	ATEC	Fri, Dec 26, 2014	15.36	16.20	15.36	15.60
2151	NASDAQ	ATEC	Wed, Dec 24, 2014	15.60	16.20	15.24	15.24
2150	NASDAQ	ATEC	Tue, Dec 23, 2014	16.32	16.56	15.96	15.96
2149	NASDAQ	ATEC	Mon, Dec 22, 2014	16.08	16.92	16.08	16.56
2148	NASDAQ	ATEC	Fri, Dec 19, 2014	15.72	16.92	15.72	16.08
2147	NASDAQ	ATEC	Thu, Dec 18, 2014	15.84	16.56	15.60	16.56
2146	NASDAQ	ATEC	Wed, Dec 17, 2014	15.48	16.20	15.48	15.60
2145	NASDAQ	ATEC	Tue, Dec 16, 2014	15.36	15.84	15.36	15.72
2144	NASDAQ	ATEC	Mon, Dec 15, 2014	15.60	15.96	15.24	15.72
2143	NASDAQ	ATEC	Fri, Dec 12, 2014	15.24	15.72	15.24	15.36
2142	NASDAQ	ATEC	Thu, Dec 11, 2014	15.84	16.08	15.12	15.48
2141	NASDAQ	ATEC	Wed, Dec 10, 2014	15.81	15.96	15.60	15.60
2140	NASDAQ	ATEC	Tue, Dec 9, 2014	15.84	16.20	15.60	15.96
2139	NASDAQ	ATEC	Mon, Dec 8, 2014	16.32	17.04	15.60	15.60
2138	NASDAQ	ATEC	Fri, Dec 5, 2014	15.72	16.92	15.72	16.92
2137	NASDAQ	ATEC	Thu, Dec 4, 2014	15.84	15.96	15.60	15.60
2136	NASDAQ	ATEC	Wed, Dec 3, 2014	15.60	15.96	15.48	15.84
2135	NASDAQ	ATEC	Tue, Dec 2, 2014	15.36	15.60	15.24	15.48
2134	NASDAQ	ATEC	Mon, Dec 1, 2014	15.48	15.72	14.76	15.36
2133	NASDAQ	ATEC	Fri, Nov 28, 2014	15.36	16.08	15.00	15.36
2132	NASDAQ	ATEC	Wed, Nov 26, 2014	16.80	16.92	15.24	15.60
2131	NASDAQ	ATEC	Tue, Nov 25, 2014	16.92	17.04	16.20	16.68
2130	NASDAQ	ATEC	Mon, Nov 24, 2014	16.80	17.16	16.32	16.80
2129	NASDAQ	ATEC	Fri, Nov 21, 2014	16.80	17.04	16.56	16.56
2128	NASDAQ	ATEC	Thu, Nov 20, 2014	16.44	16.56	16.44	16.44
2127	NASDAQ	ATEC	Wed, Nov 19, 2014	16.80	16.80	16.44	16.44
2126	NASDAQ	ATEC	Tue, Nov 18, 2014	16.80	16.80	16.32	16.80
2125	NASDAQ	ATEC	Mon, Nov 17, 2014	16.80	17.04	16.32	16.56
2124	NASDAQ	ATEC	Fri, Nov 14, 2014	16.44	16.80	16.20	16.80
2123	NASDAQ	ATEC	Thu, Nov 13, 2014	16.92	17.40	16.92	17.40
2122	NASDAQ	ATEC	Wed, Nov 12, 2014	17.16	17.52	17.04	17.04
2121	NASDAQ	ATEC	Tue, Nov 11, 2014	17.16	17.40	16.92	17.04
2120	NASDAQ	ATEC	Mon, Nov 10, 2014	16.80	17.64	16.80	17.04
2119	NASDAQ	ATEC	Fri, Nov 7, 2014	17.52	17.72	16.68	16.68
2118	NASDAQ	ATEC	Thu, Nov 6, 2014	17.40	17.83	17.40	17.40
2117	NASDAQ	ATEC	Wed, Nov 5, 2014	17.52	17.76	16.92	16.92
2116	NASDAQ	ATEC	Tue, Nov 4, 2014	18.00	18.12	17.40	17.52
2115	NASDAQ	ATEC	Mon, Nov 3, 2014	18.60	18.60	17.88	18.36
2114	NASDAQ	ATEC	Fri, Oct 31, 2014	19.56	19.56	16.92	18.24
2113	NASDAQ	ATEC	Thu, Oct 30, 2014	18.48	18.84	17.85	18.84
2112	NASDAQ	ATEC	Wed, Oct 29, 2014	18.48	18.48	17.64	18.36
2111	NASDAQ	ATEC	Tue, Oct 28, 2014	17.52	18.36	17.52	18.36
2110	NASDAQ	ATEC	Mon, Oct 27, 2014	17.52	17.76	17.25	17.52
2109	NASDAQ	ATEC	Fri, Oct 24, 2014	17.52	18.00	16.92	17.52
2108	NASDAQ	ATEC	Thu, Oct 23, 2014	17.76	17.88	17.52	17.64
2107	NASDAQ	ATEC	Wed, Oct 22, 2014	17.76	18.08	17.52	17.52
2106	NASDAQ	ATEC	Tue, Oct 21, 2014	18.00	18.24	17.76	17.88
2105	NASDAQ	ATEC	Mon, Oct 20, 2014	17.40	18.00	17.40	17.88
2104	NASDAQ	ATEC	Fri, Oct 17, 2014	17.76	18.00	17.40	17.40
2103	NASDAQ	ATEC	Thu, Oct 16, 2014	17.52	18.00	17.40	17.64
2102	NASDAQ	ATEC	Wed, Oct 15, 2014	18.12	18.72	17.64	17.88
2101	NASDAQ	ATEC	Tue, Oct 14, 2014	19.20	19.20	18.12	18.12
2100	NASDAQ	ATEC	Mon, Oct 13, 2014	18.60	19.20	18.00	18.84
2099	NASDAQ	ATEC	Fri, Oct 10, 2014	18.84	18.84	18.00	18.48
2098	NASDAQ	ATEC	Thu, Oct 9, 2014	18.96	19.20	18.36	18.96
2097	NASDAQ	ATEC	Wed, Oct 8, 2014	19.56	19.80	18.37	19.20
2096	NASDAQ	ATEC	Tue, Oct 7, 2014	19.20	19.44	19.08	19.44
2095	NASDAQ	ATEC	Mon, Oct 6, 2014	19.68	19.68	18.76	19.32
2094	NASDAQ	ATEC	Fri, Oct 3, 2014	18.96	19.68	18.84	19.68
2093	NASDAQ	ATEC	Thu, Oct 2, 2014	19.08	19.88	18.00	19.20
2092	NASDAQ	ATEC	Wed, Oct 1, 2014	20.40	20.40	18.60	18.84
2091	NASDAQ	ATEC	Tue, Sep 30, 2014	20.52	20.64	19.92	20.40
2090	NASDAQ	ATEC	Mon, Sep 29, 2014	20.28	20.76	20.16	20.64
2089	NASDAQ	ATEC	Fri, Sep 26, 2014	20.76	21.48	20.76	20.76
2088	NASDAQ	ATEC	Thu, Sep 25, 2014	21.24	21.44	20.64	20.64
2087	NASDAQ	ATEC	Wed, Sep 24, 2014	21.00	21.60	20.76	21.00
2086	NASDAQ	ATEC	Tue, Sep 23, 2014	20.40	21.48	20.40	20.64
2085	NASDAQ	ATEC	Mon, Sep 22, 2014	20.40	21.12	20.16	20.52
2084	NASDAQ	ATEC	Fri, Sep 19, 2014	21.84	21.84	20.40	20.40
2083	NASDAQ	ATEC	Thu, Sep 18, 2014	22.68	22.68	21.24	21.60
2082	NASDAQ	ATEC	Wed, Sep 17, 2014	21.84	23.04	21.81	22.44
2081	NASDAQ	ATEC	Tue, Sep 16, 2014	20.64	22.20	20.52	21.96
2080	NASDAQ	ATEC	Mon, Sep 15, 2014	19.92	21.24	19.44	20.52
2079	NASDAQ	ATEC	Fri, Sep 12, 2014	20.16	20.28	19.44	20.16
2078	NASDAQ	ATEC	Thu, Sep 11, 2014	20.28	20.28	19.68	20.16
2077	NASDAQ	ATEC	Wed, Sep 10, 2014	19.68	20.40	19.26	20.40
2076	NASDAQ	ATEC	Tue, Sep 9, 2014	19.08	19.68	19.08	19.56
2075	NASDAQ	ATEC	Mon, Sep 8, 2014	19.20	19.68	18.72	19.32
2074	NASDAQ	ATEC	Fri, Sep 5, 2014	18.36	19.20	18.12	18.84
2073	NASDAQ	ATEC	Thu, Sep 4, 2014	18.36	18.84	18.00	18.72
2072	NASDAQ	ATEC	Wed, Sep 3, 2014	18.24	18.36	18.00	18.12
2071	NASDAQ	ATEC	Tue, Sep 2, 2014	18.48	18.60	18.00	18.36
2070	NASDAQ	ATEC	Fri, Aug 29, 2014	19.56	19.56	18.60	18.72
2069	NASDAQ	ATEC	Thu, Aug 28, 2014	19.20	19.56	19.20	19.32
2068	NASDAQ	ATEC	Wed, Aug 27, 2014	19.08	19.20	18.84	18.96
2067	NASDAQ	ATEC	Tue, Aug 26, 2014	18.96	18.96	18.72	18.72
2066	NASDAQ	ATEC	Mon, Aug 25, 2014	18.12	19.20	18.12	18.60
2065	NASDAQ	ATEC	Fri, Aug 22, 2014	18.72	18.84	18.36	18.36
2064	NASDAQ	ATEC	Thu, Aug 21, 2014	18.24	19.56	18.24	18.96
2063	NASDAQ	ATEC	Wed, Aug 20, 2014	19.08	19.20	18.12	18.48
2062	NASDAQ	ATEC	Tue, Aug 19, 2014	20.28	20.28	19.08	19.32
2061	NASDAQ	ATEC	Mon, Aug 18, 2014	20.16	21.00	19.42	19.80
2060	NASDAQ	ATEC	Fri, Aug 15, 2014	19.20	20.16	18.72	19.68
2059	NASDAQ	ATEC	Thu, Aug 14, 2014	18.96	20.16	18.60	19.32
2058	NASDAQ	ATEC	Wed, Aug 13, 2014	17.40	18.96	17.16	18.72
2057	NASDAQ	ATEC	Tue, Aug 12, 2014	17.04	17.40	16.68	17.04
2056	NASDAQ	ATEC	Mon, Aug 11, 2014	16.80	17.28	16.80	16.80
2055	NASDAQ	ATEC	Fri, Aug 8, 2014	16.44	17.28	16.32	16.56
2054	NASDAQ	ATEC	Thu, Aug 7, 2014	16.92	16.92	16.44	16.44
2053	NASDAQ	ATEC	Wed, Aug 6, 2014	17.04	17.28	16.44	16.92
2052	NASDAQ	ATEC	Tue, Aug 5, 2014	16.68	17.27	16.68	17.04
2051	NASDAQ	ATEC	Mon, Aug 4, 2014	17.88	18.36	16.68	16.68
2050	NASDAQ	ATEC	Fri, Aug 1, 2014	16.44	17.28	16.44	17.04
2049	NASDAQ	ATEC	Thu, Jul 31, 2014	17.16	17.76	15.96	16.80
2048	NASDAQ	ATEC	Wed, Jul 30, 2014	16.20	17.52	15.96	17.04
2047	NASDAQ	ATEC	Tue, Jul 29, 2014	16.08	16.32	15.96	16.08
2046	NASDAQ	ATEC	Mon, Jul 28, 2014	16.20	16.56	15.96	16.20
2045	NASDAQ	ATEC	Fri, Jul 25, 2014	16.08	16.56	16.08	16.20
2044	NASDAQ	ATEC	Thu, Jul 24, 2014	16.56	16.80	16.08	16.08
2043	NASDAQ	ATEC	Wed, Jul 23, 2014	16.56	16.92	16.20	16.44
2042	NASDAQ	ATEC	Tue, Jul 22, 2014	16.80	17.28	16.08	16.80
2041	NASDAQ	ATEC	Mon, Jul 21, 2014	15.96	17.52	15.96	16.56
2040	NASDAQ	ATEC	Fri, Jul 18, 2014	15.84	16.40	15.84	15.96
2039	NASDAQ	ATEC	Thu, Jul 17, 2014	16.32	17.16	15.96	16.08
2038	NASDAQ	ATEC	Wed, Jul 16, 2014	16.92	17.04	16.20	16.20
2037	NASDAQ	ATEC	Tue, Jul 15, 2014	16.68	17.28	16.68	16.92
2036	NASDAQ	ATEC	Mon, Jul 14, 2014	16.92	17.16	16.68	16.80
2035	NASDAQ	ATEC	Fri, Jul 11, 2014	16.44	16.80	16.44	16.56
2034	NASDAQ	ATEC	Thu, Jul 10, 2014	16.68	17.28	16.44	16.68
2033	NASDAQ	ATEC	Wed, Jul 9, 2014	16.92	17.16	16.92	16.92
2032	NASDAQ	ATEC	Tue, Jul 8, 2014	17.28	17.64	16.92	17.04
2031	NASDAQ	ATEC	Mon, Jul 7, 2014	18.00	18.48	17.16	17.52
2030	NASDAQ	ATEC	Thu, Jul 3, 2014	18.36	18.48	18.00	18.00
2029	NASDAQ	ATEC	Wed, Jul 2, 2014	18.12	18.96	18.00	18.24
2028	NASDAQ	ATEC	Tue, Jul 1, 2014	19.92	20.10	18.24	18.60
2027	NASDAQ	ATEC	Mon, Jun 30, 2014	17.64	20.40	16.80	19.56
2026	NASDAQ	ATEC	Fri, Jun 27, 2014	16.56	17.64	16.56	17.28
2025	NASDAQ	ATEC	Thu, Jun 26, 2014	16.20	16.68	16.08	16.56
2024	NASDAQ	ATEC	Wed, Jun 25, 2014	16.08	16.68	15.72	16.08
2023	NASDAQ	ATEC	Tue, Jun 24, 2014	15.84	16.80	15.84	15.96
2022	NASDAQ	ATEC	Mon, Jun 23, 2014	16.08	16.20	15.60	15.96
2021	NASDAQ	ATEC	Fri, Jun 20, 2014	16.32	16.56	15.72	15.96
2020	NASDAQ	ATEC	Thu, Jun 19, 2014	16.56	16.56	15.96	16.32
2019	NASDAQ	ATEC	Wed, Jun 18, 2014	15.72	16.44	15.72	16.44
2018	NASDAQ	ATEC	Tue, Jun 17, 2014	16.08	16.56	15.84	15.84
2017	NASDAQ	ATEC	Mon, Jun 16, 2014	16.56	16.92	16.20	16.20
2016	NASDAQ	ATEC	Fri, Jun 13, 2014	16.68	16.80	16.20	16.32
2015	NASDAQ	ATEC	Thu, Jun 12, 2014	16.92	17.04	16.44	16.56
2014	NASDAQ	ATEC	Wed, Jun 11, 2014	16.80	17.40	16.80	16.92
2013	NASDAQ	ATEC	Tue, Jun 10, 2014	17.40	17.40	16.44	16.68
2012	NASDAQ	ATEC	Mon, Jun 9, 2014	17.04	17.40	17.04	17.16
2011	NASDAQ	ATEC	Fri, Jun 6, 2014	16.92	17.04	16.44	17.04
2010	NASDAQ	ATEC	Thu, Jun 5, 2014	16.08	16.80	15.36	16.68
2009	NASDAQ	ATEC	Wed, Jun 4, 2014	16.56	17.04	16.08	16.20
2008	NASDAQ	ATEC	Tue, Jun 3, 2014	17.28	17.28	16.44	16.56
2007	NASDAQ	ATEC	Mon, Jun 2, 2014	17.88	17.88	17.04	17.28
2006	NASDAQ	ATEC	Fri, May 30, 2014	18.24	18.24	17.52	18.00
2005	NASDAQ	ATEC	Thu, May 29, 2014	18.00	18.12	17.65	18.00
2004	NASDAQ	ATEC	Wed, May 28, 2014	18.00	18.24	17.04	18.00
2003	NASDAQ	ATEC	Tue, May 27, 2014	18.00	18.48	17.64	17.88
2002	NASDAQ	ATEC	Fri, May 23, 2014	17.04	17.64	16.68	17.52
2001	NASDAQ	ATEC	Thu, May 22, 2014	16.44	16.92	16.20	16.92
2000	NASDAQ	ATEC	Wed, May 21, 2014	16.20	16.56	16.20	16.32
1999	NASDAQ	ATEC	Tue, May 20, 2014	16.56	16.92	16.20	16.20
1998	NASDAQ	ATEC	Mon, May 19, 2014	16.20	16.68	15.60	16.56
1997	NASDAQ	ATEC	Fri, May 16, 2014	15.72	16.26	15.30	16.08
1996	NASDAQ	ATEC	Thu, May 15, 2014	15.96	16.20	15.60	15.60
1995	NASDAQ	ATEC	Wed, May 14, 2014	16.80	17.16	15.84	15.96
1994	NASDAQ	ATEC	Tue, May 13, 2014	16.20	16.44	15.72	16.32
1993	NASDAQ	ATEC	Mon, May 12, 2014	15.00	16.20	14.90	16.20
1992	NASDAQ	ATEC	Fri, May 9, 2014	14.64	15.01	14.40	14.76
1991	NASDAQ	ATEC	Thu, May 8, 2014	15.36	15.72	14.88	14.88
1990	NASDAQ	ATEC	Wed, May 7, 2014	16.20	16.92	15.24	15.24
1989	NASDAQ	ATEC	Tue, May 6, 2014	17.28	17.52	15.96	16.08
1988	NASDAQ	ATEC	Mon, May 5, 2014	17.52	18.00	17.28	17.40
1987	NASDAQ	ATEC	Fri, May 2, 2014	16.56	18.96	16.32	17.52
1986	NASDAQ	ATEC	Thu, May 1, 2014	16.20	16.56	15.24	16.32
1985	NASDAQ	ATEC	Wed, Apr 30, 2014	16.20	16.56	15.72	16.32
1984	NASDAQ	ATEC	Tue, Apr 29, 2014	16.44	16.68	15.84	15.96
1983	NASDAQ	ATEC	Mon, Apr 28, 2014	16.44	16.44	15.96	16.32
1982	NASDAQ	ATEC	Fri, Apr 25, 2014	17.16	17.16	16.32	16.32
1981	NASDAQ	ATEC	Thu, Apr 24, 2014	17.52	18.12	16.56	16.92
1980	NASDAQ	ATEC	Wed, Apr 23, 2014	17.88	17.98	17.16	17.28
1979	NASDAQ	ATEC	Tue, Apr 22, 2014	17.64	18.12	17.16	17.76
1978	NASDAQ	ATEC	Mon, Apr 21, 2014	17.16	17.88	16.92	17.64
1977	NASDAQ	ATEC	Thu, Apr 17, 2014	16.68	17.16	16.68	17.04
1976	NASDAQ	ATEC	Wed, Apr 16, 2014	17.28	17.28	16.44	16.80
1975	NASDAQ	ATEC	Tue, Apr 15, 2014	17.16	17.28	16.74	17.04
1974	NASDAQ	ATEC	Mon, Apr 14, 2014	17.16	17.52	16.92	17.04
1973	NASDAQ	ATEC	Fri, Apr 11, 2014	17.04	17.28	16.92	17.22
1972	NASDAQ	ATEC	Thu, Apr 10, 2014	17.64	18.00	17.16	17.28
1971	NASDAQ	ATEC	Wed, Apr 9, 2014	17.52	17.88	17.40	17.76
1970	NASDAQ	ATEC	Tue, Apr 8, 2014	17.16	18.00	17.16	17.52
1969	NASDAQ	ATEC	Mon, Apr 7, 2014	17.28	17.76	17.04	17.04
1968	NASDAQ	ATEC	Fri, Apr 4, 2014	17.88	18.00	17.04	17.40
1967	NASDAQ	ATEC	Thu, Apr 3, 2014	18.12	18.12	17.64	17.76
1966	NASDAQ	ATEC	Wed, Apr 2, 2014	18.00	18.24	17.64	18.00
1965	NASDAQ	ATEC	Tue, Apr 1, 2014	18.12	18.48	17.52	18.12
1964	NASDAQ	ATEC	Mon, Mar 31, 2014	18.24	18.48	17.70	18.00
1963	NASDAQ	ATEC	Fri, Mar 28, 2014	18.24	18.84	17.40	18.00
1962	NASDAQ	ATEC	Thu, Mar 27, 2014	19.20	19.32	18.36	18.36
1961	NASDAQ	ATEC	Wed, Mar 26, 2014	19.32	19.44	18.00	19.08
1960	NASDAQ	ATEC	Tue, Mar 25, 2014	19.92	20.16	19.20	19.20
1959	NASDAQ	ATEC	Mon, Mar 24, 2014	20.52	20.52	19.80	19.80
1958	NASDAQ	ATEC	Fri, Mar 21, 2014	20.40	20.40	19.92	20.28
1957	NASDAQ	ATEC	Thu, Mar 20, 2014	20.28	20.52	19.80	20.40
1956	NASDAQ	ATEC	Wed, Mar 19, 2014	20.52	20.88	19.92	20.40
1955	NASDAQ	ATEC	Tue, Mar 18, 2014	21.12	21.48	19.80	20.40
1954	NASDAQ	ATEC	Mon, Mar 17, 2014	17.16	19.68	16.92	19.20
1953	NASDAQ	ATEC	Fri, Mar 14, 2014	16.80	17.40	16.56	16.68
1952	NASDAQ	ATEC	Thu, Mar 13, 2014	16.92	16.92	16.32	16.68
1951	NASDAQ	ATEC	Wed, Mar 12, 2014	16.80	17.28	16.32	16.80
1950	NASDAQ	ATEC	Tue, Mar 11, 2014	16.80	17.76	16.56	16.80
1949	NASDAQ	ATEC	Mon, Mar 10, 2014	15.24	16.68	15.11	16.68
1948	NASDAQ	ATEC	Fri, Mar 7, 2014	15.36	15.48	15.00	15.12
1947	NASDAQ	ATEC	Thu, Mar 6, 2014	15.84	15.96	14.76	15.12
1946	NASDAQ	ATEC	Wed, Mar 5, 2014	15.00	15.60	14.28	15.36
1945	NASDAQ	ATEC	Tue, Mar 4, 2014	15.60	15.84	13.91	15.12
1944	NASDAQ	ATEC	Mon, Mar 3, 2014	16.92	16.92	15.24	15.36
1943	NASDAQ	ATEC	Fri, Feb 28, 2014	18.00	18.12	16.80	16.92
1942	NASDAQ	ATEC	Thu, Feb 27, 2014	17.52	17.87	16.80	17.40
1941	NASDAQ	ATEC	Wed, Feb 26, 2014	18.00	18.84	17.16	17.40
1940	NASDAQ	ATEC	Tue, Feb 25, 2014	17.76	18.00	17.04	17.64
1939	NASDAQ	ATEC	Mon, Feb 24, 2014	17.88	18.12	16.08	17.64
1938	NASDAQ	ATEC	Fri, Feb 21, 2014	19.68	19.68	17.28	18.00
1937	NASDAQ	ATEC	Thu, Feb 20, 2014	20.52	21.36	19.44	19.56
1936	NASDAQ	ATEC	Wed, Feb 19, 2014	22.20	22.44	20.16	20.28
1935	NASDAQ	ATEC	Tue, Feb 18, 2014	22.56	22.56	22.20	22.32
1934	NASDAQ	ATEC	Fri, Feb 14, 2014	22.32	22.80	21.84	22.32
1933	NASDAQ	ATEC	Thu, Feb 13, 2014	21.60	22.68	21.60	22.20
1932	NASDAQ	ATEC	Wed, Feb 12, 2014	23.88	24.60	21.60	21.72
1931	NASDAQ	ATEC	Tue, Feb 11, 2014	27.12	27.12	20.88	22.44
1930	NASDAQ	ATEC	Mon, Feb 10, 2014	27.36	28.20	27.36	27.48
1929	NASDAQ	ATEC	Fri, Feb 7, 2014	29.64	30.20	26.64	27.60
1928	NASDAQ	ATEC	Thu, Feb 6, 2014	27.36	30.41	27.00	29.40
1927	NASDAQ	ATEC	Wed, Feb 5, 2014	26.28	27.36	25.80	27.00
1926	NASDAQ	ATEC	Tue, Feb 4, 2014	26.40	26.64	25.80	26.28
1925	NASDAQ	ATEC	Mon, Feb 3, 2014	26.04	26.88	25.68	26.16
1924	NASDAQ	ATEC	Fri, Jan 31, 2014	26.28	27.58	25.92	26.04
1923	NASDAQ	ATEC	Thu, Jan 30, 2014	26.40	27.48	26.40	26.76
1922	NASDAQ	ATEC	Wed, Jan 29, 2014	25.80	26.64	25.80	26.28
1921	NASDAQ	ATEC	Tue, Jan 28, 2014	25.92	26.64	25.92	26.16
1920	NASDAQ	ATEC	Mon, Jan 27, 2014	27.24	27.24	26.16	26.28
1919	NASDAQ	ATEC	Fri, Jan 24, 2014	27.36	27.84	26.88	27.24
1918	NASDAQ	ATEC	Thu, Jan 23, 2014	28.32	28.68	27.60	27.60
1917	NASDAQ	ATEC	Wed, Jan 22, 2014	27.60	28.82	27.12	28.32
1916	NASDAQ	ATEC	Tue, Jan 21, 2014	27.36	27.96	27.00	27.48
1915	NASDAQ	ATEC	Fri, Jan 17, 2014	27.12	28.44	27.00	27.36
1914	NASDAQ	ATEC	Thu, Jan 16, 2014	25.80	27.24	25.32	27.00
1913	NASDAQ	ATEC	Wed, Jan 15, 2014	26.40	27.24	26.04	26.16
1912	NASDAQ	ATEC	Tue, Jan 14, 2014	25.56	26.04	25.32	26.04
1911	NASDAQ	ATEC	Mon, Jan 13, 2014	25.56	25.56	25.08	25.32
1910	NASDAQ	ATEC	Fri, Jan 10, 2014	24.84	26.16	24.48	25.56
1909	NASDAQ	ATEC	Thu, Jan 9, 2014	24.12	25.44	24.00	24.72
1908	NASDAQ	ATEC	Wed, Jan 8, 2014	24.24	24.36	23.88	24.12
1907	NASDAQ	ATEC	Tue, Jan 7, 2014	24.36	25.08	24.00	24.12
1906	NASDAQ	ATEC	Mon, Jan 6, 2014	24.84	24.84	23.88	24.12
1905	NASDAQ	ATEC	Fri, Jan 3, 2014	24.72	25.44	24.36	24.84
1904	NASDAQ	ATEC	Thu, Jan 2, 2014	24.00	25.20	23.52	24.72
1903	NASDAQ	ATEC	Tue, Dec 31, 2013	24.96	25.32	24.00	24.12
1902	NASDAQ	ATEC	Mon, Dec 30, 2013	25.20	25.44	24.48	25.08
1901	NASDAQ	ATEC	Fri, Dec 27, 2013	25.08	25.44	24.72	25.44
1900	NASDAQ	ATEC	Thu, Dec 26, 2013	24.60	25.20	23.52	25.20
1899	NASDAQ	ATEC	Tue, Dec 24, 2013	24.72	24.84	24.00	24.24
1898	NASDAQ	ATEC	Mon, Dec 23, 2013	24.48	24.78	24.00	24.60
1897	NASDAQ	ATEC	Fri, Dec 20, 2013	23.76	24.60	22.86	24.48
1896	NASDAQ	ATEC	Thu, Dec 19, 2013	23.52	23.94	23.28	23.64
1895	NASDAQ	ATEC	Wed, Dec 18, 2013	22.92	23.64	22.80	23.64
1894	NASDAQ	ATEC	Tue, Dec 17, 2013	22.80	23.52	22.56	22.80
1893	NASDAQ	ATEC	Mon, Dec 16, 2013	22.20	23.28	22.20	22.92
1892	NASDAQ	ATEC	Fri, Dec 13, 2013	22.08	23.04	21.48	22.20
1891	NASDAQ	ATEC	Thu, Dec 12, 2013	21.72	22.08	21.60	21.96
1890	NASDAQ	ATEC	Wed, Dec 11, 2013	21.72	21.96	21.48	21.72
1889	NASDAQ	ATEC	Tue, Dec 10, 2013	21.96	22.20	21.60	21.60
1888	NASDAQ	ATEC	Mon, Dec 9, 2013	22.68	22.71	21.60	22.08
1887	NASDAQ	ATEC	Fri, Dec 6, 2013	22.68	23.16	22.08	22.68
1886	NASDAQ	ATEC	Thu, Dec 5, 2013	22.56	22.80	22.20	22.32
1885	NASDAQ	ATEC	Wed, Dec 4, 2013	22.56	23.40	22.44	22.80
1884	NASDAQ	ATEC	Tue, Dec 3, 2013	23.28	23.76	22.20	22.80
1883	NASDAQ	ATEC	Mon, Dec 2, 2013	23.52	23.88	23.16	23.40
1882	NASDAQ	ATEC	Fri, Nov 29, 2013	23.76	23.88	23.40	23.88
1881	NASDAQ	ATEC	Wed, Nov 27, 2013	23.64	23.88	23.40	23.76
1880	NASDAQ	ATEC	Tue, Nov 26, 2013	23.16	24.00	23.04	23.76
1879	NASDAQ	ATEC	Mon, Nov 25, 2013	23.04	23.28	22.56	23.04
1878	NASDAQ	ATEC	Fri, Nov 22, 2013	22.80	23.04	22.44	22.92
1877	NASDAQ	ATEC	Thu, Nov 21, 2013	21.24	22.92	21.24	22.80
1876	NASDAQ	ATEC	Wed, Nov 20, 2013	21.84	21.84	21.12	21.24
1875	NASDAQ	ATEC	Tue, Nov 19, 2013	21.60	21.84	21.36	21.60
1874	NASDAQ	ATEC	Mon, Nov 18, 2013	22.32	22.32	21.60	21.60
1873	NASDAQ	ATEC	Fri, Nov 15, 2013	22.20	22.44	21.96	22.44
1872	NASDAQ	ATEC	Thu, Nov 14, 2013	22.20	22.32	22.20	22.20
1871	NASDAQ	ATEC	Wed, Nov 13, 2013	22.08	22.44	22.08	22.44
1870	NASDAQ	ATEC	Tue, Nov 12, 2013	22.32	22.68	21.24	22.32
1869	NASDAQ	ATEC	Mon, Nov 11, 2013	22.08	22.68	21.60	22.32
1868	NASDAQ	ATEC	Fri, Nov 8, 2013	21.96	22.44	21.12	22.20
1867	NASDAQ	ATEC	Thu, Nov 7, 2013	22.32	23.40	21.96	22.44
1866	NASDAQ	ATEC	Wed, Nov 6, 2013	23.28	23.28	22.31	22.32
1865	NASDAQ	ATEC	Tue, Nov 5, 2013	23.04	23.16	22.68	22.92
1864	NASDAQ	ATEC	Mon, Nov 4, 2013	22.20	23.76	22.20	23.04
1863	NASDAQ	ATEC	Fri, Nov 1, 2013	21.60	22.80	21.00	22.32
1862	NASDAQ	ATEC	Thu, Oct 31, 2013	21.72	22.32	21.60	21.84
1861	NASDAQ	ATEC	Wed, Oct 30, 2013	23.28	23.88	21.72	21.84
1860	NASDAQ	ATEC	Tue, Oct 29, 2013	23.28	23.52	23.04	23.16
1859	NASDAQ	ATEC	Mon, Oct 28, 2013	23.28	23.64	23.16	23.40
1858	NASDAQ	ATEC	Fri, Oct 25, 2013	23.64	24.35	23.04	23.28
1857	NASDAQ	ATEC	Thu, Oct 24, 2013	23.16	24.35	23.16	23.40
1856	NASDAQ	ATEC	Wed, Oct 23, 2013	23.28	23.64	23.16	23.28
1855	NASDAQ	ATEC	Tue, Oct 22, 2013	23.28	23.40	23.04	23.28
1854	NASDAQ	ATEC	Mon, Oct 21, 2013	23.52	23.70	23.04	23.28
1853	NASDAQ	ATEC	Fri, Oct 18, 2013	23.76	23.76	23.28	23.40
1852	NASDAQ	ATEC	Thu, Oct 17, 2013	23.40	23.40	23.16	23.40
1851	NASDAQ	ATEC	Wed, Oct 16, 2013	23.76	24.00	23.28	23.40
1850	NASDAQ	ATEC	Tue, Oct 15, 2013	23.88	24.12	23.28	23.52
1849	NASDAQ	ATEC	Mon, Oct 14, 2013	23.52	24.00	23.28	24.00
1848	NASDAQ	ATEC	Fri, Oct 11, 2013	24.24	24.24	23.34	23.76
1847	NASDAQ	ATEC	Thu, Oct 10, 2013	24.84	24.84	24.00	24.48
1846	NASDAQ	ATEC	Wed, Oct 9, 2013	23.64	25.80	23.64	24.48
1845	NASDAQ	ATEC	Tue, Oct 8, 2013	22.92	23.64	22.80	23.16
1844	NASDAQ	ATEC	Mon, Oct 7, 2013	22.56	23.04	22.56	22.80
1843	NASDAQ	ATEC	Fri, Oct 4, 2013	23.16	23.22	22.44	22.92
1842	NASDAQ	ATEC	Thu, Oct 3, 2013	23.40	23.52	23.16	23.16
1841	NASDAQ	ATEC	Wed, Oct 2, 2013	23.52	23.64	23.52	23.52
1840	NASDAQ	ATEC	Tue, Oct 1, 2013	23.52	23.76	23.52	23.76
1839	NASDAQ	ATEC	Mon, Sep 30, 2013	23.52	23.91	23.52	23.64
1838	NASDAQ	ATEC	Fri, Sep 27, 2013	23.76	24.00	23.52	23.52
1837	NASDAQ	ATEC	Thu, Sep 26, 2013	24.72	24.72	23.76	23.88
1836	NASDAQ	ATEC	Wed, Sep 25, 2013	24.72	24.96	23.64	24.72
1835	NASDAQ	ATEC	Tue, Sep 24, 2013	24.72	25.37	23.88	24.72
1834	NASDAQ	ATEC	Mon, Sep 23, 2013	26.40	26.40	24.00	24.84
1833	NASDAQ	ATEC	Fri, Sep 20, 2013	23.64	26.16	23.40	26.16
1832	NASDAQ	ATEC	Thu, Sep 19, 2013	24.12	24.12	23.52	23.64
1831	NASDAQ	ATEC	Wed, Sep 18, 2013	23.88	24.24	23.40	24.12
1830	NASDAQ	ATEC	Tue, Sep 17, 2013	24.00	24.36	23.40	24.00
1829	NASDAQ	ATEC	Mon, Sep 16, 2013	24.12	24.12	23.40	23.52
1828	NASDAQ	ATEC	Fri, Sep 13, 2013	23.76	24.00	23.64	23.88
1827	NASDAQ	ATEC	Thu, Sep 12, 2013	23.40	23.76	23.40	23.52
1826	NASDAQ	ATEC	Wed, Sep 11, 2013	23.64	23.64	23.40	23.40
1825	NASDAQ	ATEC	Tue, Sep 10, 2013	23.76	24.36	23.40	23.76
1824	NASDAQ	ATEC	Mon, Sep 9, 2013	23.40	23.64	23.40	23.64
1823	NASDAQ	ATEC	Fri, Sep 6, 2013	23.64	23.64	23.40	23.40
1822	NASDAQ	ATEC	Thu, Sep 5, 2013	23.40	23.76	23.28	23.40
1821	NASDAQ	ATEC	Wed, Sep 4, 2013	23.88	23.88	23.40	23.40
1820	NASDAQ	ATEC	Tue, Sep 3, 2013	24.12	24.12	23.40	23.64
1819	NASDAQ	ATEC	Fri, Aug 30, 2013	23.40	24.00	23.28	23.76
1818	NASDAQ	ATEC	Thu, Aug 29, 2013	23.52	23.88	23.40	23.64
1817	NASDAQ	ATEC	Wed, Aug 28, 2013	23.40	23.76	23.40	23.64
1816	NASDAQ	ATEC	Tue, Aug 27, 2013	23.64	23.88	23.28	23.40
1815	NASDAQ	ATEC	Mon, Aug 26, 2013	24.48	24.48	23.76	24.00
1814	NASDAQ	ATEC	Fri, Aug 23, 2013	24.00	24.72	24.00	24.36
1813	NASDAQ	ATEC	Thu, Aug 22, 2013	23.64	24.72	23.64	24.00
1812	NASDAQ	ATEC	Wed, Aug 21, 2013	23.88	24.00	23.40	23.64
1811	NASDAQ	ATEC	Tue, Aug 20, 2013	23.40	24.00	23.40	23.88
1810	NASDAQ	ATEC	Mon, Aug 19, 2013	23.04	24.00	23.04	23.28
1809	NASDAQ	ATEC	Fri, Aug 16, 2013	23.40	24.00	23.40	23.76
1808	NASDAQ	ATEC	Thu, Aug 15, 2013	24.36	24.72	23.40	23.64
1807	NASDAQ	ATEC	Wed, Aug 14, 2013	24.84	24.84	24.60	24.60
1806	NASDAQ	ATEC	Tue, Aug 13, 2013	24.96	25.44	24.60	24.84
1805	NASDAQ	ATEC	Mon, Aug 12, 2013	23.40	25.32	23.40	25.20
1804	NASDAQ	ATEC	Fri, Aug 9, 2013	24.24	25.32	23.76	24.00
1803	NASDAQ	ATEC	Thu, Aug 8, 2013	25.20	25.20	24.12	24.48
1802	NASDAQ	ATEC	Wed, Aug 7, 2013	26.76	27.00	24.36	26.40
1801	NASDAQ	ATEC	Tue, Aug 6, 2013	27.48	27.84	27.00	27.00
1800	NASDAQ	ATEC	Mon, Aug 5, 2013	27.36	27.60	27.00	27.48
1799	NASDAQ	ATEC	Fri, Aug 2, 2013	27.48	27.96	27.12	27.60
1798	NASDAQ	ATEC	Thu, Aug 1, 2013	27.72	28.08	27.00	27.72
1797	NASDAQ	ATEC	Wed, Jul 31, 2013	28.20	28.20	27.12	27.60
1796	NASDAQ	ATEC	Tue, Jul 30, 2013	27.12	27.96	27.12	27.96
1795	NASDAQ	ATEC	Mon, Jul 29, 2013	28.44	28.56	27.00	27.12
1794	NASDAQ	ATEC	Fri, Jul 26, 2013	28.44	28.44	27.72	28.44
1793	NASDAQ	ATEC	Thu, Jul 25, 2013	28.56	28.92	28.20	28.80
1792	NASDAQ	ATEC	Wed, Jul 24, 2013	28.80	28.80	28.44	28.56
1791	NASDAQ	ATEC	Tue, Jul 23, 2013	28.68	28.80	28.08	28.68
1790	NASDAQ	ATEC	Mon, Jul 22, 2013	28.80	28.80	28.44	28.68
1789	NASDAQ	ATEC	Fri, Jul 19, 2013	28.68	28.68	27.96	28.44
1788	NASDAQ	ATEC	Thu, Jul 18, 2013	27.84	28.80	27.66	28.68
1787	NASDAQ	ATEC	Wed, Jul 17, 2013	27.72	28.20	27.36	27.72
1786	NASDAQ	ATEC	Tue, Jul 16, 2013	27.60	27.96	27.00	27.48
1785	NASDAQ	ATEC	Mon, Jul 15, 2013	26.04	27.96	26.04	27.72
1784	NASDAQ	ATEC	Fri, Jul 12, 2013	26.04	26.88	25.92	26.10
1783	NASDAQ	ATEC	Thu, Jul 11, 2013	26.64	26.64	25.92	26.16
1782	NASDAQ	ATEC	Wed, Jul 10, 2013	26.04	26.64	25.92	26.40
1781	NASDAQ	ATEC	Tue, Jul 9, 2013	26.28	26.76	26.16	26.16
1780	NASDAQ	ATEC	Mon, Jul 8, 2013	27.84	27.84	25.80	26.04
1779	NASDAQ	ATEC	Fri, Jul 5, 2013	26.16	26.88	25.32	26.40
1778	NASDAQ	ATEC	Wed, Jul 3, 2013	24.72	25.44	24.72	25.44
1777	NASDAQ	ATEC	Tue, Jul 2, 2013	24.60	25.08	24.36	24.72
1776	NASDAQ	ATEC	Mon, Jul 1, 2013	24.60	25.20	24.60	24.72
1775	NASDAQ	ATEC	Fri, Jun 28, 2013	24.36	25.08	24.00	24.60
1774	NASDAQ	ATEC	Thu, Jun 27, 2013	24.00	24.48	23.97	24.48
1773	NASDAQ	ATEC	Wed, Jun 26, 2013	24.84	24.72	23.76	24.00
1772	NASDAQ	ATEC	Tue, Jun 25, 2013	24.60	24.60	24.12	24.60
1771	NASDAQ	ATEC	Mon, Jun 24, 2013	24.00	24.60	23.88	24.48
1770	NASDAQ	ATEC	Fri, Jun 21, 2013	24.24	24.36	23.76	24.12
1769	NASDAQ	ATEC	Thu, Jun 20, 2013	24.48	24.48	23.64	24.12
1768	NASDAQ	ATEC	Wed, Jun 19, 2013	25.08	25.20	24.48	24.84
1767	NASDAQ	ATEC	Tue, Jun 18, 2013	23.52	25.08	23.52	25.08
1766	NASDAQ	ATEC	Mon, Jun 17, 2013	23.52	23.64	23.28	23.40
1765	NASDAQ	ATEC	Fri, Jun 14, 2013	23.28	23.52	23.04	23.16
1764	NASDAQ	ATEC	Thu, Jun 13, 2013	22.44	23.28	22.44	23.28
1763	NASDAQ	ATEC	Wed, Jun 12, 2013	23.40	23.76	22.80	23.04
1762	NASDAQ	ATEC	Tue, Jun 11, 2013	22.92	23.76	22.92	23.64
1761	NASDAQ	ATEC	Mon, Jun 10, 2013	22.56	23.52	22.56	23.40
1760	NASDAQ	ATEC	Fri, Jun 7, 2013	23.52	23.76	22.92	22.92
1759	NASDAQ	ATEC	Thu, Jun 6, 2013	22.56	23.28	22.44	23.28
1758	NASDAQ	ATEC	Wed, Jun 5, 2013	23.28	23.40	22.56	22.68
1757	NASDAQ	ATEC	Tue, Jun 4, 2013	22.92	23.40	21.96	23.16
1756	NASDAQ	ATEC	Mon, Jun 3, 2013	23.40	23.52	22.56	22.80
1755	NASDAQ	ATEC	Fri, May 31, 2013	23.28	23.40	23.04	23.40
1754	NASDAQ	ATEC	Thu, May 30, 2013	23.64	23.64	23.28	23.40
1753	NASDAQ	ATEC	Wed, May 29, 2013	24.24	24.36	23.40	23.64
1752	NASDAQ	ATEC	Tue, May 28, 2013	23.28	24.60	22.69	24.36
1751	NASDAQ	ATEC	Fri, May 24, 2013	23.28	23.40	22.80	23.40
1750	NASDAQ	ATEC	Thu, May 23, 2013	22.80	23.40	22.56	23.28
1749	NASDAQ	ATEC	Wed, May 22, 2013	23.40	23.46	22.80	22.92
1748	NASDAQ	ATEC	Tue, May 21, 2013	23.16	23.40	22.68	23.40
1747	NASDAQ	ATEC	Mon, May 20, 2013	23.64	23.88	22.32	23.04
1746	NASDAQ	ATEC	Fri, May 17, 2013	23.76	24.00	23.16	23.88
1745	NASDAQ	ATEC	Thu, May 16, 2013	23.64	24.24	23.04	23.40
1744	NASDAQ	ATEC	Wed, May 15, 2013	22.68	23.64	21.00	23.40
1743	NASDAQ	ATEC	Tue, May 14, 2013	22.80	22.80	22.56	22.80
1742	NASDAQ	ATEC	Mon, May 13, 2013	21.24	22.80	21.24	22.68
1741	NASDAQ	ATEC	Fri, May 10, 2013	22.20	22.32	21.24	21.36
1740	NASDAQ	ATEC	Thu, May 9, 2013	23.16	23.40	21.84	22.08
1739	NASDAQ	ATEC	Wed, May 8, 2013	22.68	23.58	22.44	23.28
1738	NASDAQ	ATEC	Tue, May 7, 2013	22.92	22.92	22.08	22.68
1737	NASDAQ	ATEC	Mon, May 6, 2013	22.68	22.92	22.44	22.80
1736	NASDAQ	ATEC	Fri, May 3, 2013	22.08	23.16	22.08	22.56
1735	NASDAQ	ATEC	Thu, May 2, 2013	21.48	21.84	21.00	21.72
1734	NASDAQ	ATEC	Wed, May 1, 2013	22.80	23.28	21.36	21.48
1733	NASDAQ	ATEC	Tue, Apr 30, 2013	22.68	22.92	22.44	22.68
1732	NASDAQ	ATEC	Mon, Apr 29, 2013	21.36	23.04	21.36	22.20
1731	NASDAQ	ATEC	Fri, Apr 26, 2013	21.84	21.96	21.36	21.36
1730	NASDAQ	ATEC	Thu, Apr 25, 2013	21.96	22.80	21.12	21.84
1729	NASDAQ	ATEC	Wed, Apr 24, 2013	22.32	22.92	21.60	21.96
1728	NASDAQ	ATEC	Tue, Apr 23, 2013	21.24	24.12	21.12	22.08
1727	NASDAQ	ATEC	Mon, Apr 22, 2013	21.24	21.24	20.52	21.00
1726	NASDAQ	ATEC	Fri, Apr 19, 2013	21.12	21.60	20.76	21.12
1725	NASDAQ	ATEC	Thu, Apr 18, 2013	22.80	22.98	21.00	21.24
1724	NASDAQ	ATEC	Wed, Apr 17, 2013	23.52	23.52	22.20	22.68
1723	NASDAQ	ATEC	Tue, Apr 16, 2013	23.52	24.00	22.92	23.88
1722	NASDAQ	ATEC	Mon, Apr 15, 2013	24.72	24.72	22.92	23.16
1721	NASDAQ	ATEC	Fri, Apr 12, 2013	24.48	24.84	23.76	24.84
1720	NASDAQ	ATEC	Thu, Apr 11, 2013	24.84	25.02	24.60	24.72
1719	NASDAQ	ATEC	Wed, Apr 10, 2013	23.64	24.84	23.40	24.84
1718	NASDAQ	ATEC	Tue, Apr 9, 2013	23.76	24.24	23.40	23.52
1717	NASDAQ	ATEC	Mon, Apr 8, 2013	23.40	24.00	23.04	23.88
1716	NASDAQ	ATEC	Fri, Apr 5, 2013	23.16	23.88	23.16	23.28
1715	NASDAQ	ATEC	Thu, Apr 4, 2013	24.60	25.20	23.52	23.76
1714	NASDAQ	ATEC	Wed, Apr 3, 2013	24.24	24.60	23.88	24.48
1713	NASDAQ	ATEC	Tue, Apr 2, 2013	24.48	24.60	23.76	24.24
1712	NASDAQ	ATEC	Mon, Apr 1, 2013	24.84	24.84	23.64	24.24
1711	NASDAQ	ATEC	Thu, Mar 28, 2013	25.32	26.16	25.20	25.32
1710	NASDAQ	ATEC	Wed, Mar 27, 2013	25.68	25.92	24.72	25.44
1709	NASDAQ	ATEC	Tue, Mar 26, 2013	26.40	26.40	25.56	25.92
1708	NASDAQ	ATEC	Mon, Mar 25, 2013	26.28	27.00	25.92	26.28
1707	NASDAQ	ATEC	Fri, Mar 22, 2013	26.40	26.88	25.80	26.40
1706	NASDAQ	ATEC	Thu, Mar 21, 2013	27.00	27.36	25.92	26.40
1705	NASDAQ	ATEC	Wed, Mar 20, 2013	26.04	27.12	25.68	27.00
1704	NASDAQ	ATEC	Tue, Mar 19, 2013	26.76	26.88	25.74	26.16
1703	NASDAQ	ATEC	Mon, Mar 18, 2013	26.64	27.00	25.92	26.76
1702	NASDAQ	ATEC	Fri, Mar 15, 2013	26.40	27.18	26.04	26.88
1701	NASDAQ	ATEC	Thu, Mar 14, 2013	26.64	26.64	24.53	26.28
1700	NASDAQ	ATEC	Wed, Mar 13, 2013	26.40	26.52	25.44	26.52
1699	NASDAQ	ATEC	Tue, Mar 12, 2013	26.16	28.80	25.92	25.92
1698	NASDAQ	ATEC	Mon, Mar 11, 2013	25.56	25.68	23.52	24.00
1697	NASDAQ	ATEC	Fri, Mar 8, 2013	24.48	25.80	24.36	25.32
1696	NASDAQ	ATEC	Thu, Mar 7, 2013	24.00	24.48	23.64	24.12
1695	NASDAQ	ATEC	Wed, Mar 6, 2013	23.64	24.48	23.16	24.12
1694	NASDAQ	ATEC	Tue, Mar 5, 2013	25.20	25.20	23.52	23.64
1693	NASDAQ	ATEC	Mon, Mar 4, 2013	22.20	24.00	22.08	23.52
1692	NASDAQ	ATEC	Fri, Mar 1, 2013	20.40	22.92	20.40	22.44
1691	NASDAQ	ATEC	Thu, Feb 28, 2013	20.16	20.52	19.44	19.56
1690	NASDAQ	ATEC	Wed, Feb 27, 2013	20.64	20.64	19.92	20.28
1689	NASDAQ	ATEC	Tue, Feb 26, 2013	20.16	20.88	20.16	20.76
1688	NASDAQ	ATEC	Mon, Feb 25, 2013	20.88	21.00	19.80	19.92
1687	NASDAQ	ATEC	Fri, Feb 22, 2013	20.88	21.00	20.40	20.64
1686	NASDAQ	ATEC	Thu, Feb 21, 2013	20.16	21.00	20.04	20.52
1685	NASDAQ	ATEC	Wed, Feb 20, 2013	20.64	20.64	20.10	20.16
1684	NASDAQ	ATEC	Tue, Feb 19, 2013	20.04	20.64	19.68	20.52
1683	NASDAQ	ATEC	Fri, Feb 15, 2013	19.56	20.04	18.96	19.56
1682	NASDAQ	ATEC	Thu, Feb 14, 2013	19.20	19.56	18.84	19.20
1681	NASDAQ	ATEC	Wed, Feb 13, 2013	19.44	19.92	18.96	19.08
1680	NASDAQ	ATEC	Tue, Feb 12, 2013	19.32	19.56	19.32	19.44
1679	NASDAQ	ATEC	Mon, Feb 11, 2013	18.84	19.92	18.84	19.32
1678	NASDAQ	ATEC	Fri, Feb 8, 2013	19.56	19.80	18.60	18.72
1677	NASDAQ	ATEC	Thu, Feb 7, 2013	20.16	20.16	19.44	19.44
1676	NASDAQ	ATEC	Wed, Feb 6, 2013	20.52	20.52	20.04	20.16
1675	NASDAQ	ATEC	Tue, Feb 5, 2013	19.92	20.40	19.92	20.40
1674	NASDAQ	ATEC	Mon, Feb 4, 2013	20.04	20.36	19.68	19.80
1673	NASDAQ	ATEC	Fri, Feb 1, 2013	20.40	20.88	20.04	20.52
1672	NASDAQ	ATEC	Thu, Jan 31, 2013	20.52	21.00	19.68	20.76
1671	NASDAQ	ATEC	Wed, Jan 30, 2013	20.64	20.76	19.80	20.40
1670	NASDAQ	ATEC	Tue, Jan 29, 2013	20.76	21.00	20.28	20.76
1669	NASDAQ	ATEC	Mon, Jan 28, 2013	20.04	21.00	19.92	20.88
1668	NASDAQ	ATEC	Fri, Jan 25, 2013	20.52	20.52	19.80	20.04
1667	NASDAQ	ATEC	Thu, Jan 24, 2013	20.28	20.76	20.28	20.40
1666	NASDAQ	ATEC	Wed, Jan 23, 2013	20.52	20.64	20.16	20.16
1665	NASDAQ	ATEC	Tue, Jan 22, 2013	19.80	20.64	19.68	20.52
1664	NASDAQ	ATEC	Fri, Jan 18, 2013	19.80	20.28	19.56	19.92
1663	NASDAQ	ATEC	Thu, Jan 17, 2013	20.28	20.38	19.68	20.04
1662	NASDAQ	ATEC	Wed, Jan 16, 2013	19.80	21.12	19.68	20.04
1661	NASDAQ	ATEC	Tue, Jan 15, 2013	19.80	20.88	19.80	19.80
1660	NASDAQ	ATEC	Mon, Jan 14, 2013	20.64	21.24	19.68	20.04
1659	NASDAQ	ATEC	Fri, Jan 11, 2013	21.48	21.48	20.28	20.64
1658	NASDAQ	ATEC	Thu, Jan 10, 2013	21.48	21.60	21.00	21.36
1657	NASDAQ	ATEC	Wed, Jan 9, 2013	21.24	21.48	20.89	21.36
1656	NASDAQ	ATEC	Tue, Jan 8, 2013	20.76	21.60	20.52	21.00
1655	NASDAQ	ATEC	Mon, Jan 7, 2013	20.64	21.36	20.64	20.88
1654	NASDAQ	ATEC	Fri, Jan 4, 2013	20.76	21.00	20.16	20.64
1653	NASDAQ	ATEC	Thu, Jan 3, 2013	21.96	22.68	20.40	20.40
1652	NASDAQ	ATEC	Wed, Jan 2, 2013	20.40	21.24	20.16	20.64
1651	NASDAQ	ATEC	Mon, Dec 31, 2012	19.56	19.92	19.08	19.80
1650	NASDAQ	ATEC	Fri, Dec 28, 2012	19.92	20.52	19.44	19.80
1649	NASDAQ	ATEC	Thu, Dec 27, 2012	20.52	20.52	20.04	20.16
1648	NASDAQ	ATEC	Wed, Dec 26, 2012	20.64	20.88	20.04	20.40
1647	NASDAQ	ATEC	Mon, Dec 24, 2012	21.00	21.00	20.40	20.52
1646	NASDAQ	ATEC	Fri, Dec 21, 2012	21.36	21.36	20.28	20.88
1645	NASDAQ	ATEC	Thu, Dec 20, 2012	21.36	21.96	20.40	21.36
1644	NASDAQ	ATEC	Wed, Dec 19, 2012	21.48	21.84	20.82	21.36
1643	NASDAQ	ATEC	Tue, Dec 18, 2012	22.20	22.68	20.88	21.60
1642	NASDAQ	ATEC	Mon, Dec 17, 2012	22.20	22.32	21.60	22.08
1641	NASDAQ	ATEC	Fri, Dec 14, 2012	22.20	22.68	21.84	22.08
1640	NASDAQ	ATEC	Thu, Dec 13, 2012	22.56	22.56	21.96	22.20
1639	NASDAQ	ATEC	Wed, Dec 12, 2012	22.20	22.68	21.84	22.44
1638	NASDAQ	ATEC	Tue, Dec 11, 2012	21.60	22.32	21.24	22.08
1637	NASDAQ	ATEC	Mon, Dec 10, 2012	20.40	21.00	20.40	21.00
1636	NASDAQ	ATEC	Fri, Dec 7, 2012	20.76	20.76	20.16	20.40
1635	NASDAQ	ATEC	Thu, Dec 6, 2012	21.00	21.00	20.28	20.52
1634	NASDAQ	ATEC	Wed, Dec 5, 2012	21.12	21.36	20.52	21.00
1633	NASDAQ	ATEC	Tue, Dec 4, 2012	22.80	23.28	20.76	20.88
1632	NASDAQ	ATEC	Mon, Dec 3, 2012	21.00	23.76	20.82	23.28
1631	NASDAQ	ATEC	Fri, Nov 30, 2012	18.48	20.88	17.52	20.52
1630	NASDAQ	ATEC	Thu, Nov 29, 2012	18.12	18.84	17.88	18.72
1629	NASDAQ	ATEC	Wed, Nov 28, 2012	18.60	18.72	16.92	18.12
1628	NASDAQ	ATEC	Tue, Nov 27, 2012	18.72	18.84	18.24	18.72
1627	NASDAQ	ATEC	Mon, Nov 26, 2012	18.72	18.90	18.60	18.78
1626	NASDAQ	ATEC	Fri, Nov 23, 2012	18.72	18.84	18.60	18.72
1625	NASDAQ	ATEC	Wed, Nov 21, 2012	18.60	19.08	18.00	18.60
1624	NASDAQ	ATEC	Tue, Nov 20, 2012	18.72	19.44	18.36	18.48
1623	NASDAQ	ATEC	Mon, Nov 19, 2012	18.36	18.96	18.00	18.84
1622	NASDAQ	ATEC	Fri, Nov 16, 2012	17.16	18.48	17.16	18.24
1621	NASDAQ	ATEC	Thu, Nov 15, 2012	18.12	18.84	17.04	17.28
1620	NASDAQ	ATEC	Wed, Nov 14, 2012	19.20	19.44	18.00	18.06
1619	NASDAQ	ATEC	Tue, Nov 13, 2012	18.96	19.68	18.36	19.44
1618	NASDAQ	ATEC	Mon, Nov 12, 2012	19.80	19.80	19.08	19.32
1617	NASDAQ	ATEC	Fri, Nov 9, 2012	19.20	20.04	19.20	19.68
1616	NASDAQ	ATEC	Thu, Nov 8, 2012	19.68	20.52	19.20	19.20
1615	NASDAQ	ATEC	Wed, Nov 7, 2012	19.92	20.40	19.80	19.80
1614	NASDAQ	ATEC	Tue, Nov 6, 2012	20.40	20.52	19.92	20.28
1613	NASDAQ	ATEC	Mon, Nov 5, 2012	19.80	20.40	19.68	20.16
1612	NASDAQ	ATEC	Fri, Nov 2, 2012	20.64	20.94	19.80	19.92
1611	NASDAQ	ATEC	Thu, Nov 1, 2012	20.64	21.48	19.80	20.52
1610	NASDAQ	ATEC	Wed, Oct 31, 2012	20.64	21.12	19.32	20.64
1609	NASDAQ	ATEC	Fri, Oct 26, 2012	20.64	20.76	20.16	20.28
1608	NASDAQ	ATEC	Thu, Oct 25, 2012	20.64	21.00	19.80	20.52
1607	NASDAQ	ATEC	Wed, Oct 24, 2012	20.16	20.52	19.68	20.40
1606	NASDAQ	ATEC	Tue, Oct 23, 2012	20.40	20.64	19.32	20.16
1605	NASDAQ	ATEC	Mon, Oct 22, 2012	20.64	21.00	20.28	20.52
1604	NASDAQ	ATEC	Fri, Oct 19, 2012	21.24	21.36	20.76	21.00
1603	NASDAQ	ATEC	Thu, Oct 18, 2012	21.48	21.60	21.24	21.48
1602	NASDAQ	ATEC	Wed, Oct 17, 2012	21.84	21.90	21.24	21.48
1601	NASDAQ	ATEC	Tue, Oct 16, 2012	21.24	22.08	20.88	21.84
1600	NASDAQ	ATEC	Mon, Oct 15, 2012	21.00	21.36	20.82	21.24
1599	NASDAQ	ATEC	Fri, Oct 12, 2012	21.00	21.60	20.76	21.00
1598	NASDAQ	ATEC	Thu, Oct 11, 2012	21.60	21.84	20.76	21.12
1597	NASDAQ	ATEC	Wed, Oct 10, 2012	20.52	21.84	19.68	21.36
1596	NASDAQ	ATEC	Tue, Oct 9, 2012	21.00	21.32	20.43	20.64
1595	NASDAQ	ATEC	Mon, Oct 8, 2012	21.48	21.72	21.00	21.00
1594	NASDAQ	ATEC	Fri, Oct 5, 2012	21.72	22.55	21.24	21.48
1593	NASDAQ	ATEC	Thu, Oct 4, 2012	21.48	22.68	21.36	21.72
1592	NASDAQ	ATEC	Wed, Oct 3, 2012	21.00	21.96	20.78	21.36
1591	NASDAQ	ATEC	Tue, Oct 2, 2012	19.92	21.00	19.80	21.00
1590	NASDAQ	ATEC	Mon, Oct 1, 2012	19.56	20.16	19.56	19.80
1589	NASDAQ	ATEC	Fri, Sep 28, 2012	20.16	20.52	19.80	19.80
1588	NASDAQ	ATEC	Thu, Sep 27, 2012	19.92	20.76	19.92	20.40
1587	NASDAQ	ATEC	Wed, Sep 26, 2012	19.80	20.64	19.32	20.04
1586	NASDAQ	ATEC	Tue, Sep 25, 2012	19.68	19.80	19.20	19.68
1585	NASDAQ	ATEC	Mon, Sep 24, 2012	19.92	20.34	19.44	19.68
1584	NASDAQ	ATEC	Fri, Sep 21, 2012	20.40	20.64	19.98	20.04
1583	NASDAQ	ATEC	Thu, Sep 20, 2012	19.80	20.76	19.56	20.04
1582	NASDAQ	ATEC	Wed, Sep 19, 2012	20.88	20.88	19.44	19.92
1581	NASDAQ	ATEC	Tue, Sep 18, 2012	20.88	21.00	20.76	20.88
1580	NASDAQ	ATEC	Mon, Sep 17, 2012	20.76	21.00	20.16	20.88
1579	NASDAQ	ATEC	Fri, Sep 14, 2012	21.12	21.12	20.40	21.00
1578	NASDAQ	ATEC	Thu, Sep 13, 2012	20.88	21.00	20.04	21.00
1577	NASDAQ	ATEC	Wed, Sep 12, 2012	20.64	20.98	20.40	20.64
1576	NASDAQ	ATEC	Tue, Sep 11, 2012	20.76	21.00	19.80	20.52
1575	NASDAQ	ATEC	Mon, Sep 10, 2012	21.00	21.00	20.40	20.64
1574	NASDAQ	ATEC	Fri, Sep 7, 2012	20.52	21.00	20.16	20.88
1573	NASDAQ	ATEC	Thu, Sep 6, 2012	19.92	20.40	19.68	20.40
1572	NASDAQ	ATEC	Wed, Sep 5, 2012	20.16	20.34	19.32	19.68
1571	NASDAQ	ATEC	Tue, Sep 4, 2012	19.92	19.92	19.56	19.80
1570	NASDAQ	ATEC	Fri, Aug 31, 2012	19.92	20.16	19.44	19.92
1569	NASDAQ	ATEC	Thu, Aug 30, 2012	20.04	20.04	19.20	19.68
1568	NASDAQ	ATEC	Wed, Aug 29, 2012	19.32	19.80	19.32	19.80
1567	NASDAQ	ATEC	Tue, Aug 28, 2012	19.92	20.16	19.20	19.68
1566	NASDAQ	ATEC	Mon, Aug 27, 2012	20.64	20.64	19.68	19.80
1565	NASDAQ	ATEC	Fri, Aug 24, 2012	19.68	20.64	18.84	20.40
1564	NASDAQ	ATEC	Thu, Aug 23, 2012	19.56	19.80	19.44	19.68
1563	NASDAQ	ATEC	Wed, Aug 22, 2012	20.16	20.16	19.56	19.56
1562	NASDAQ	ATEC	Tue, Aug 21, 2012	20.40	20.76	19.92	20.04
1561	NASDAQ	ATEC	Mon, Aug 20, 2012	19.80	20.52	19.44	20.28
1560	NASDAQ	ATEC	Fri, Aug 17, 2012	20.52	20.52	19.20	19.80
1559	NASDAQ	ATEC	Thu, Aug 16, 2012	20.64	20.76	19.50	20.76
1558	NASDAQ	ATEC	Wed, Aug 15, 2012	20.04	20.52	19.44	20.52
1557	NASDAQ	ATEC	Tue, Aug 14, 2012	20.04	20.88	19.32	20.04
1556	NASDAQ	ATEC	Mon, Aug 13, 2012	18.96	19.92	18.60	19.80
1555	NASDAQ	ATEC	Fri, Aug 10, 2012	18.96	19.20	18.48	18.84
1554	NASDAQ	ATEC	Thu, Aug 9, 2012	18.24	19.44	18.01	18.96
1553	NASDAQ	ATEC	Wed, Aug 8, 2012	19.20	19.56	18.12	18.36
1552	NASDAQ	ATEC	Tue, Aug 7, 2012	19.92	20.64	19.08	19.44
1551	NASDAQ	ATEC	Mon, Aug 6, 2012	20.40	20.88	18.72	19.80
1550	NASDAQ	ATEC	Fri, Aug 3, 2012	20.40	20.43	19.56	20.40
1549	NASDAQ	ATEC	Thu, Aug 2, 2012	20.28	21.36	19.80	20.04
1548	NASDAQ	ATEC	Wed, Aug 1, 2012	21.12	21.24	20.04	20.28
1547	NASDAQ	ATEC	Tue, Jul 31, 2012	20.64	21.48	19.93	21.12
1546	NASDAQ	ATEC	Mon, Jul 30, 2012	21.60	21.72	20.76	20.76
1545	NASDAQ	ATEC	Fri, Jul 27, 2012	20.64	22.08	19.92	21.48
1544	NASDAQ	ATEC	Thu, Jul 26, 2012	20.52	20.64	19.80	20.58
1543	NASDAQ	ATEC	Wed, Jul 25, 2012	20.04	20.64	19.75	20.28
1542	NASDAQ	ATEC	Tue, Jul 24, 2012	19.92	20.64	19.68	19.80
1541	NASDAQ	ATEC	Mon, Jul 23, 2012	19.68	20.64	19.56	19.80
1540	NASDAQ	ATEC	Fri, Jul 20, 2012	20.40	20.64	19.92	20.16
1539	NASDAQ	ATEC	Thu, Jul 19, 2012	21.24	21.24	20.16	20.64
1538	NASDAQ	ATEC	Wed, Jul 18, 2012	20.88	21.60	20.64	21.24
1537	NASDAQ	ATEC	Tue, Jul 17, 2012	21.60	21.60	20.40	20.88
1536	NASDAQ	ATEC	Mon, Jul 16, 2012	21.60	21.60	21.00	21.36
1535	NASDAQ	ATEC	Fri, Jul 13, 2012	21.48	21.72	20.76	21.60
1534	NASDAQ	ATEC	Thu, Jul 12, 2012	20.76	21.96	20.76	21.48
1533	NASDAQ	ATEC	Wed, Jul 11, 2012	21.72	21.72	21.12	21.12
1532	NASDAQ	ATEC	Tue, Jul 10, 2012	21.72	21.84	21.24	21.72
1531	NASDAQ	ATEC	Mon, Jul 9, 2012	21.36	21.96	21.12	21.60
1530	NASDAQ	ATEC	Fri, Jul 6, 2012	21.48	21.90	21.24	21.48
1529	NASDAQ	ATEC	Thu, Jul 5, 2012	21.96	22.08	21.66	21.84
1528	NASDAQ	ATEC	Tue, Jul 3, 2012	21.96	22.08	21.60	22.08
1527	NASDAQ	ATEC	Mon, Jul 2, 2012	21.96	22.20	21.36	22.20
1526	NASDAQ	ATEC	Fri, Jun 29, 2012	21.84	22.80	21.36	22.08
1525	NASDAQ	ATEC	Thu, Jun 28, 2012	21.72	22.08	20.64	21.24
1524	NASDAQ	ATEC	Wed, Jun 27, 2012	22.08	22.08	21.48	21.84
1523	NASDAQ	ATEC	Tue, Jun 26, 2012	20.76	22.20	20.40	22.08
1522	NASDAQ	ATEC	Mon, Jun 25, 2012	20.76	21.24	20.28	20.64
1521	NASDAQ	ATEC	Fri, Jun 22, 2012	20.64	21.60	20.04	21.24
1520	NASDAQ	ATEC	Thu, Jun 21, 2012	20.28	20.64	20.04	20.40
1519	NASDAQ	ATEC	Wed, Jun 20, 2012	20.04	20.64	19.80	20.40
1518	NASDAQ	ATEC	Tue, Jun 19, 2012	20.04	20.64	19.68	20.16
1517	NASDAQ	ATEC	Mon, Jun 18, 2012	19.92	20.16	19.32	20.04
1516	NASDAQ	ATEC	Fri, Jun 15, 2012	19.68	20.28	19.68	20.16
1515	NASDAQ	ATEC	Thu, Jun 14, 2012	19.92	20.28	19.80	20.16
1514	NASDAQ	ATEC	Wed, Jun 13, 2012	19.56	20.16	19.32	20.04
1513	NASDAQ	ATEC	Tue, Jun 12, 2012	19.44	19.92	18.60	19.68
1512	NASDAQ	ATEC	Mon, Jun 11, 2012	20.52	20.52	19.08	19.32
1511	NASDAQ	ATEC	Fri, Jun 8, 2012	20.04	20.22	19.56	20.16
1510	NASDAQ	ATEC	Thu, Jun 7, 2012	20.16	20.16	19.44	20.16
1509	NASDAQ	ATEC	Wed, Jun 6, 2012	19.68	20.22	19.68	20.16
1508	NASDAQ	ATEC	Tue, Jun 5, 2012	19.92	20.16	19.20	19.56
1507	NASDAQ	ATEC	Mon, Jun 4, 2012	19.20	20.16	18.96	19.92
1506	NASDAQ	ATEC	Fri, Jun 1, 2012	19.44	19.80	18.96	18.96
1505	NASDAQ	ATEC	Thu, May 31, 2012	19.92	20.16	19.68	19.80
1504	NASDAQ	ATEC	Wed, May 30, 2012	19.56	20.04	19.32	19.92
1503	NASDAQ	ATEC	Tue, May 29, 2012	20.04	20.40	19.44	19.80
1502	NASDAQ	ATEC	Fri, May 25, 2012	19.80	20.28	19.68	19.80
1501	NASDAQ	ATEC	Thu, May 24, 2012	19.20	19.92	19.20	19.68
1500	NASDAQ	ATEC	Wed, May 23, 2012	18.96	19.68	18.84	19.20
1499	NASDAQ	ATEC	Tue, May 22, 2012	19.32	20.28	18.72	19.08
1498	NASDAQ	ATEC	Mon, May 21, 2012	19.80	20.76	18.60	19.44
1497	NASDAQ	ATEC	Fri, May 18, 2012	20.16	21.06	19.56	19.80
1496	NASDAQ	ATEC	Thu, May 17, 2012	21.96	22.80	19.80	20.16
1495	NASDAQ	ATEC	Wed, May 16, 2012	21.60	22.80	21.24	21.24
1494	NASDAQ	ATEC	Tue, May 15, 2012	22.20	22.92	21.24	21.24
1493	NASDAQ	ATEC	Mon, May 14, 2012	22.80	23.04	22.20	22.32
1492	NASDAQ	ATEC	Fri, May 11, 2012	23.04	24.84	22.32	23.04
1491	NASDAQ	ATEC	Thu, May 10, 2012	24.24	25.68	23.28	23.28
1490	NASDAQ	ATEC	Wed, May 9, 2012	24.12	25.92	23.40	24.00
1489	NASDAQ	ATEC	Tue, May 8, 2012	25.80	25.92	25.32	25.80
1488	NASDAQ	ATEC	Mon, May 7, 2012	25.56	26.16	25.44	25.92
1487	NASDAQ	ATEC	Fri, May 4, 2012	25.92	26.28	25.32	25.68
1486	NASDAQ	ATEC	Thu, May 3, 2012	26.40	26.40	25.20	26.16
1485	NASDAQ	ATEC	Wed, May 2, 2012	25.08	26.40	24.60	26.04
1484	NASDAQ	ATEC	Tue, May 1, 2012	26.16	27.48	25.32	25.32
1483	NASDAQ	ATEC	Mon, Apr 30, 2012	26.88	27.00	25.32	26.16
1482	NASDAQ	ATEC	Fri, Apr 27, 2012	27.84	27.84	26.76	27.00
1481	NASDAQ	ATEC	Thu, Apr 26, 2012	27.60	27.96	27.48	27.72
1480	NASDAQ	ATEC	Wed, Apr 25, 2012	27.72	28.08	27.36	27.84
1479	NASDAQ	ATEC	Tue, Apr 24, 2012	25.92	27.48	25.68	27.48
1478	NASDAQ	ATEC	Mon, Apr 23, 2012	25.92	26.74	25.44	25.92
1477	NASDAQ	ATEC	Fri, Apr 20, 2012	26.52	27.00	25.92	26.28
1476	NASDAQ	ATEC	Thu, Apr 19, 2012	25.92	26.64	25.08	25.44
1475	NASDAQ	ATEC	Wed, Apr 18, 2012	26.88	26.88	25.56	25.92
1474	NASDAQ	ATEC	Tue, Apr 17, 2012	26.88	27.24	26.28	27.00
1473	NASDAQ	ATEC	Mon, Apr 16, 2012	26.64	26.64	25.92	26.40
1472	NASDAQ	ATEC	Fri, Apr 13, 2012	26.52	27.00	25.56	26.64
1471	NASDAQ	ATEC	Thu, Apr 12, 2012	26.76	27.12	26.40	26.76
1470	NASDAQ	ATEC	Wed, Apr 11, 2012	26.04	27.00	25.86	26.88
1469	NASDAQ	ATEC	Tue, Apr 10, 2012	25.68	25.92	24.72	25.68
1468	NASDAQ	ATEC	Mon, Apr 9, 2012	26.28	26.28	25.32	25.68
1467	NASDAQ	ATEC	Thu, Apr 5, 2012	27.36	27.96	26.40	27.00
1466	NASDAQ	ATEC	Wed, Apr 4, 2012	28.08	28.08	26.76	27.60
1465	NASDAQ	ATEC	Tue, Apr 3, 2012	28.68	29.04	27.60	28.56
1464	NASDAQ	ATEC	Mon, Apr 2, 2012	28.20	29.04	26.76	28.80
1463	NASDAQ	ATEC	Fri, Mar 30, 2012	28.80	29.04	27.84	28.44
1462	NASDAQ	ATEC	Thu, Mar 29, 2012	27.72	29.04	27.36	28.44
1461	NASDAQ	ATEC	Wed, Mar 28, 2012	27.48	29.04	25.68	28.08
1460	NASDAQ	ATEC	Tue, Mar 27, 2012	26.64	27.60	26.64	27.48
1459	NASDAQ	ATEC	Mon, Mar 26, 2012	26.64	26.76	25.80	26.52
1458	NASDAQ	ATEC	Fri, Mar 23, 2012	25.32	26.40	24.60	26.40
1457	NASDAQ	ATEC	Thu, Mar 22, 2012	24.84	25.68	24.72	25.44
1456	NASDAQ	ATEC	Wed, Mar 21, 2012	26.04	26.40	25.08	25.20
1455	NASDAQ	ATEC	Tue, Mar 20, 2012	25.68	26.76	25.20	25.80
1454	NASDAQ	ATEC	Mon, Mar 19, 2012	25.44	26.40	24.84	26.04
1453	NASDAQ	ATEC	Fri, Mar 16, 2012	25.08	25.68	24.96	25.56
1452	NASDAQ	ATEC	Thu, Mar 15, 2012	24.72	25.26	24.48	24.96
1451	NASDAQ	ATEC	Wed, Mar 14, 2012	25.20	25.20	24.60	24.72
1450	NASDAQ	ATEC	Tue, Mar 13, 2012	25.08	25.20	24.36	25.08
1449	NASDAQ	ATEC	Mon, Mar 12, 2012	24.96	25.08	24.36	24.96
1448	NASDAQ	ATEC	Fri, Mar 9, 2012	24.00	25.08	23.04	24.84
1447	NASDAQ	ATEC	Thu, Mar 8, 2012	23.28	24.12	22.68	24.00
1446	NASDAQ	ATEC	Wed, Mar 7, 2012	22.20	23.28	22.20	23.16
1445	NASDAQ	ATEC	Tue, Mar 6, 2012	22.20	22.80	22.08	22.20
1444	NASDAQ	ATEC	Mon, Mar 5, 2012	22.20	22.68	21.96	22.32
1443	NASDAQ	ATEC	Fri, Mar 2, 2012	23.52	23.52	21.96	22.32
1442	NASDAQ	ATEC	Thu, Mar 1, 2012	22.68	23.88	22.56	23.40
1441	NASDAQ	ATEC	Wed, Feb 29, 2012	24.00	24.00	21.84	22.56
1440	NASDAQ	ATEC	Tue, Feb 28, 2012	23.40	24.12	23.04	24.00
1439	NASDAQ	ATEC	Mon, Feb 27, 2012	24.00	24.24	23.40	23.52
1438	NASDAQ	ATEC	Fri, Feb 24, 2012	23.28	24.84	23.16	24.60
1437	NASDAQ	ATEC	Thu, Feb 23, 2012	22.80	23.52	21.25	23.28
1436	NASDAQ	ATEC	Wed, Feb 22, 2012	23.40	23.52	22.56	22.80
1435	NASDAQ	ATEC	Tue, Feb 21, 2012	24.72	24.84	23.40	23.76
1434	NASDAQ	ATEC	Fri, Feb 17, 2012	24.36	25.20	23.82	24.60
1433	NASDAQ	ATEC	Thu, Feb 16, 2012	23.04	24.12	22.56	24.12
1432	NASDAQ	ATEC	Wed, Feb 15, 2012	24.00	24.00	22.80	22.92
1431	NASDAQ	ATEC	Tue, Feb 14, 2012	24.00	24.48	23.04	23.88
1430	NASDAQ	ATEC	Mon, Feb 13, 2012	23.88	24.84	22.56	24.24
1429	NASDAQ	ATEC	Fri, Feb 10, 2012	23.28	23.88	20.40	23.76
1428	NASDAQ	ATEC	Thu, Feb 9, 2012	25.80	26.04	22.68	24.00
1427	NASDAQ	ATEC	Wed, Feb 8, 2012	25.20	26.16	24.00	25.56
1426	NASDAQ	ATEC	Tue, Feb 7, 2012	23.16	26.16	22.92	25.92
1425	NASDAQ	ATEC	Mon, Feb 6, 2012	23.04	23.79	22.32	23.28
1424	NASDAQ	ATEC	Fri, Feb 3, 2012	22.68	23.52	21.72	23.52
1423	NASDAQ	ATEC	Thu, Feb 2, 2012	22.08	22.35	21.72	22.20
1422	NASDAQ	ATEC	Wed, Feb 1, 2012	21.36	22.56	21.12	22.08
1421	NASDAQ	ATEC	Tue, Jan 31, 2012	21.96	22.32	21.00	21.12
1420	NASDAQ	ATEC	Mon, Jan 30, 2012	21.96	22.32	21.66	21.72
1419	NASDAQ	ATEC	Fri, Jan 27, 2012	21.36	22.32	21.36	22.20
1418	NASDAQ	ATEC	Thu, Jan 26, 2012	22.44	22.44	21.36	21.60
1417	NASDAQ	ATEC	Wed, Jan 25, 2012	22.08	22.56	21.72	22.20
1416	NASDAQ	ATEC	Tue, Jan 24, 2012	21.84	22.20	21.36	22.08
1415	NASDAQ	ATEC	Mon, Jan 23, 2012	21.96	22.68	21.84	21.96
1414	NASDAQ	ATEC	Fri, Jan 20, 2012	22.44	22.44	21.84	21.96
1413	NASDAQ	ATEC	Thu, Jan 19, 2012	21.96	22.68	21.96	22.56
1412	NASDAQ	ATEC	Wed, Jan 18, 2012	22.32	22.44	21.36	22.20
1411	NASDAQ	ATEC	Tue, Jan 17, 2012	23.04	23.04	21.48	22.20
1410	NASDAQ	ATEC	Fri, Jan 13, 2012	22.56	23.28	22.08	22.80
1409	NASDAQ	ATEC	Thu, Jan 12, 2012	22.80	23.40	21.72	23.04
1408	NASDAQ	ATEC	Wed, Jan 11, 2012	21.72	23.16	21.48	23.04
1407	NASDAQ	ATEC	Tue, Jan 10, 2012	21.36	21.84	20.52	21.72
1406	NASDAQ	ATEC	Mon, Jan 9, 2012	20.76	21.24	20.28	20.94
1405	NASDAQ	ATEC	Fri, Jan 6, 2012	20.40	21.24	20.04	20.76
1404	NASDAQ	ATEC	Thu, Jan 5, 2012	20.40	21.36	19.92	20.64
1403	NASDAQ	ATEC	Wed, Jan 4, 2012	21.60	21.60	19.56	20.76
1402	NASDAQ	ATEC	Tue, Jan 3, 2012	21.00	22.08	18.72	21.84
1401	NASDAQ	ATEC	Fri, Dec 30, 2011	20.28	20.88	18.84	20.64
1400	NASDAQ	ATEC	Thu, Dec 29, 2011	21.12	21.48	20.16	20.40
1399	NASDAQ	ATEC	Wed, Dec 28, 2011	21.72	21.84	21.12	21.24
1398	NASDAQ	ATEC	Tue, Dec 27, 2011	21.48	22.32	21.36	21.84
1397	NASDAQ	ATEC	Fri, Dec 23, 2011	21.60	21.95	21.24	21.48
1396	NASDAQ	ATEC	Thu, Dec 22, 2011	20.52	21.96	20.40	21.48
1395	NASDAQ	ATEC	Wed, Dec 21, 2011	18.36	20.28	18.36	20.28
1394	NASDAQ	ATEC	Tue, Dec 20, 2011	18.72	19.08	16.56	18.36
1393	NASDAQ	ATEC	Mon, Dec 19, 2011	19.44	19.68	18.12	18.24
1392	NASDAQ	ATEC	Fri, Dec 16, 2011	19.80	19.92	18.84	19.20
1391	NASDAQ	ATEC	Thu, Dec 15, 2011	19.20	19.80	18.36	19.20
1390	NASDAQ	ATEC	Wed, Dec 14, 2011	18.84	19.20	18.48	18.60
1389	NASDAQ	ATEC	Tue, Dec 13, 2011	19.20	19.56	18.96	19.08
1388	NASDAQ	ATEC	Mon, Dec 12, 2011	19.08	19.56	18.84	19.08
1387	NASDAQ	ATEC	Fri, Dec 9, 2011	19.80	19.92	19.20	19.32
1386	NASDAQ	ATEC	Thu, Dec 8, 2011	20.52	20.64	19.44	19.44
1385	NASDAQ	ATEC	Wed, Dec 7, 2011	22.32	22.32	21.48	21.60
1384	NASDAQ	ATEC	Tue, Dec 6, 2011	23.52	23.52	22.32	22.44
1383	NASDAQ	ATEC	Mon, Dec 5, 2011	23.28	23.76	23.04	23.40
1382	NASDAQ	ATEC	Fri, Dec 2, 2011	23.28	23.40	22.20	22.80
1381	NASDAQ	ATEC	Thu, Dec 1, 2011	24.12	24.48	22.08	22.80
1380	NASDAQ	ATEC	Wed, Nov 30, 2011	23.88	24.72	22.68	24.48
1379	NASDAQ	ATEC	Tue, Nov 29, 2011	23.40	23.40	22.68	23.04
1378	NASDAQ	ATEC	Mon, Nov 28, 2011	22.80	23.76	21.96	23.40
1377	NASDAQ	ATEC	Fri, Nov 25, 2011	22.20	22.32	21.48	21.60
1376	NASDAQ	ATEC	Wed, Nov 23, 2011	22.68	23.16	21.84	22.08
1375	NASDAQ	ATEC	Tue, Nov 22, 2011	22.92	23.76	22.32	23.04
1374	NASDAQ	ATEC	Mon, Nov 21, 2011	23.76	23.76	22.44	22.92
1373	NASDAQ	ATEC	Fri, Nov 18, 2011	24.36	24.72	23.78	23.88
1372	NASDAQ	ATEC	Thu, Nov 17, 2011	23.64	24.72	23.52	24.36
1371	NASDAQ	ATEC	Wed, Nov 16, 2011	23.76	24.72	23.76	23.76
1370	NASDAQ	ATEC	Tue, Nov 15, 2011	22.80	24.01	22.31	24.00
1369	NASDAQ	ATEC	Mon, Nov 14, 2011	23.76	24.00	22.80	23.04
1368	NASDAQ	ATEC	Fri, Nov 11, 2011	23.64	24.12	23.04	24.00
1367	NASDAQ	ATEC	Thu, Nov 10, 2011	23.88	23.88	22.92	23.28
1366	NASDAQ	ATEC	Wed, Nov 9, 2011	24.24	24.48	23.40	23.40
1365	NASDAQ	ATEC	Tue, Nov 8, 2011	24.72	25.32	23.76	25.08
1364	NASDAQ	ATEC	Mon, Nov 7, 2011	24.48	24.60	23.64	24.48
1363	NASDAQ	ATEC	Fri, Nov 4, 2011	25.56	25.92	24.36	24.60
1362	NASDAQ	ATEC	Thu, Nov 3, 2011	25.56	26.40	24.84	25.92
1361	NASDAQ	ATEC	Wed, Nov 2, 2011	24.48	25.56	23.64	24.96
1360	NASDAQ	ATEC	Tue, Nov 1, 2011	24.60	25.13	24.00	24.00
1359	NASDAQ	ATEC	Mon, Oct 31, 2011	26.52	27.36	24.84	24.96
1358	NASDAQ	ATEC	Fri, Oct 28, 2011	27.84	27.96	26.88	27.12
1357	NASDAQ	ATEC	Thu, Oct 27, 2011	27.36	29.04	26.04	27.96
1356	NASDAQ	ATEC	Wed, Oct 26, 2011	27.24	27.24	25.68	26.28
1355	NASDAQ	ATEC	Tue, Oct 25, 2011	26.04	27.12	25.56	26.64
1354	NASDAQ	ATEC	Mon, Oct 24, 2011	26.64	26.76	26.04	26.40
1353	NASDAQ	ATEC	Fri, Oct 21, 2011	26.16	26.64	25.20	26.52
1352	NASDAQ	ATEC	Thu, Oct 20, 2011	24.72	25.80	23.88	25.44
1351	NASDAQ	ATEC	Wed, Oct 19, 2011	26.88	26.88	24.00	24.48
1350	NASDAQ	ATEC	Tue, Oct 18, 2011	24.72	27.00	23.94	26.76
1349	NASDAQ	ATEC	Mon, Oct 17, 2011	26.52	26.76	24.60	24.72
1348	NASDAQ	ATEC	Fri, Oct 14, 2011	27.24	27.60	26.64	26.88
1347	NASDAQ	ATEC	Thu, Oct 13, 2011	26.04	26.88	25.44	26.88
1346	NASDAQ	ATEC	Wed, Oct 12, 2011	27.24	27.36	25.80	26.40
1345	NASDAQ	ATEC	Tue, Oct 11, 2011	27.24	27.96	24.72	27.12
1344	NASDAQ	ATEC	Mon, Oct 10, 2011	27.48	28.20	26.40	27.84
1343	NASDAQ	ATEC	Fri, Oct 7, 2011	28.08	28.32	26.76	26.88
1342	NASDAQ	ATEC	Thu, Oct 6, 2011	26.76	28.44	26.16	28.32
1341	NASDAQ	ATEC	Wed, Oct 5, 2011	26.28	27.60	25.68	26.76
1340	NASDAQ	ATEC	Tue, Oct 4, 2011	23.04	24.96	22.44	24.60
1339	NASDAQ	ATEC	Mon, Oct 3, 2011	24.84	25.92	22.92	22.92
1338	NASDAQ	ATEC	Fri, Sep 30, 2011	26.16	26.88	24.96	25.32
1337	NASDAQ	ATEC	Thu, Sep 29, 2011	28.68	28.92	25.68	26.28
1336	NASDAQ	ATEC	Wed, Sep 28, 2011	29.40	30.12	27.00	27.48
1335	NASDAQ	ATEC	Tue, Sep 27, 2011	30.36	30.36	28.92	29.40
1334	NASDAQ	ATEC	Mon, Sep 26, 2011	31.32	31.32	28.80	29.40
1333	NASDAQ	ATEC	Fri, Sep 23, 2011	29.16	31.08	28.92	30.96
1332	NASDAQ	ATEC	Thu, Sep 22, 2011	28.80	30.59	28.32	29.16
1331	NASDAQ	ATEC	Wed, Sep 21, 2011	28.92	30.84	28.92	29.28
1330	NASDAQ	ATEC	Tue, Sep 20, 2011	30.72	31.08	28.68	28.80
1329	NASDAQ	ATEC	Mon, Sep 19, 2011	30.36	31.32	29.64	30.72
1328	NASDAQ	ATEC	Fri, Sep 16, 2011	29.76	31.92	29.76	31.20
1327	NASDAQ	ATEC	Thu, Sep 15, 2011	30.84	31.20	29.04	29.52
1326	NASDAQ	ATEC	Wed, Sep 14, 2011	30.84	31.08	28.68	30.48
1325	NASDAQ	ATEC	Tue, Sep 13, 2011	27.96	31.32	27.96	30.48
1324	NASDAQ	ATEC	Mon, Sep 12, 2011	27.36	28.44	27.00	27.84
1323	NASDAQ	ATEC	Fri, Sep 9, 2011	29.40	29.76	27.36	27.96
1322	NASDAQ	ATEC	Thu, Sep 8, 2011	30.72	32.40	29.88	29.88
1321	NASDAQ	ATEC	Wed, Sep 7, 2011	30.24	31.20	30.12	31.08
1320	NASDAQ	ATEC	Tue, Sep 6, 2011	27.60	29.64	27.60	29.40
1319	NASDAQ	ATEC	Fri, Sep 2, 2011	30.36	30.72	28.44	28.80
1318	NASDAQ	ATEC	Thu, Sep 1, 2011	30.84	33.84	30.72	30.96
1317	NASDAQ	ATEC	Wed, Aug 31, 2011	32.16	33.36	30.36	30.36
1316	NASDAQ	ATEC	Tue, Aug 30, 2011	30.36	32.40	29.64	31.56
1315	NASDAQ	ATEC	Mon, Aug 29, 2011	29.64	30.60	29.16	30.60
1314	NASDAQ	ATEC	Fri, Aug 26, 2011	27.00	29.28	27.00	29.28
1313	NASDAQ	ATEC	Thu, Aug 25, 2011	27.84	29.26	27.24	27.24
1312	NASDAQ	ATEC	Wed, Aug 24, 2011	27.12	28.20	25.80	27.60
1311	NASDAQ	ATEC	Tue, Aug 23, 2011	26.04	27.12	25.69	27.12
1310	NASDAQ	ATEC	Mon, Aug 22, 2011	27.84	27.94	25.20	25.68
1309	NASDAQ	ATEC	Fri, Aug 19, 2011	27.36	29.16	26.40	26.88
1308	NASDAQ	ATEC	Thu, Aug 18, 2011	29.52	29.52	27.72	28.20
1307	NASDAQ	ATEC	Wed, Aug 17, 2011	29.04	31.08	29.04	30.72
1306	NASDAQ	ATEC	Tue, Aug 16, 2011	29.40	30.48	28.20	28.92
1305	NASDAQ	ATEC	Mon, Aug 15, 2011	29.52	31.20	29.41	29.88
1304	NASDAQ	ATEC	Fri, Aug 12, 2011	29.22	30.12	28.32	29.04
1303	NASDAQ	ATEC	Thu, Aug 11, 2011	28.44	29.88	27.84	28.92
1302	NASDAQ	ATEC	Wed, Aug 10, 2011	26.64	29.28	26.28	28.20
1301	NASDAQ	ATEC	Tue, Aug 9, 2011	27.48	27.96	23.88	27.96
1300	NASDAQ	ATEC	Mon, Aug 8, 2011	30.60	30.60	26.40	26.40
1299	NASDAQ	ATEC	Fri, Aug 5, 2011	29.28	32.16	28.80	31.20
1298	NASDAQ	ATEC	Thu, Aug 4, 2011	33.00	34.20	30.48	30.48
1297	NASDAQ	ATEC	Wed, Aug 3, 2011	33.72	33.96	31.44	33.00
1296	NASDAQ	ATEC	Tue, Aug 2, 2011	34.56	35.64	32.76	32.76
1295	NASDAQ	ATEC	Mon, Aug 1, 2011	35.52	36.00	34.68	34.80
1294	NASDAQ	ATEC	Fri, Jul 29, 2011	33.96	35.40	33.48	35.04
1293	NASDAQ	ATEC	Thu, Jul 28, 2011	34.20	36.90	34.20	34.20
1292	NASDAQ	ATEC	Wed, Jul 27, 2011	34.80	36.72	34.08	34.32
1291	NASDAQ	ATEC	Tue, Jul 26, 2011	38.16	38.88	35.04	35.16
1290	NASDAQ	ATEC	Mon, Jul 25, 2011	38.40	40.56	37.80	38.28
1289	NASDAQ	ATEC	Fri, Jul 22, 2011	42.60	44.10	38.64	39.12
1288	NASDAQ	ATEC	Thu, Jul 21, 2011	41.52	42.72	40.56	42.60
1287	NASDAQ	ATEC	Wed, Jul 20, 2011	41.76	41.76	40.20	41.16
1286	NASDAQ	ATEC	Tue, Jul 19, 2011	40.92	42.72	40.92	41.64
1285	NASDAQ	ATEC	Mon, Jul 18, 2011	42.36	43.32	40.44	40.68
1284	NASDAQ	ATEC	Fri, Jul 15, 2011	42.48	43.80	42.24	42.36
1283	NASDAQ	ATEC	Thu, Jul 14, 2011	42.00	43.68	41.76	42.48
1282	NASDAQ	ATEC	Wed, Jul 13, 2011	43.44	44.04	40.56	42.00
1281	NASDAQ	ATEC	Tue, Jul 12, 2011	42.72	44.52	42.36	43.08
1280	NASDAQ	ATEC	Mon, Jul 11, 2011	44.04	44.04	42.36	43.08
1279	NASDAQ	ATEC	Fri, Jul 8, 2011	45.72	46.19	44.76	44.88
1278	NASDAQ	ATEC	Thu, Jul 7, 2011	45.00	46.44	44.40	46.32
1277	NASDAQ	ATEC	Wed, Jul 6, 2011	43.08	45.36	43.08	44.88
1276	NASDAQ	ATEC	Tue, Jul 5, 2011	42.24	43.08	41.76	42.96
1275	NASDAQ	ATEC	Fri, Jul 1, 2011	41.88	42.48	41.28	42.24
1274	NASDAQ	ATEC	Thu, Jun 30, 2011	42.12	42.48	41.40	41.76
1273	NASDAQ	ATEC	Wed, Jun 29, 2011	42.84	43.44	41.76	42.12
1272	NASDAQ	ATEC	Tue, Jun 28, 2011	41.88	42.84	40.44	42.72
1271	NASDAQ	ATEC	Mon, Jun 27, 2011	42.00	43.08	41.28	41.64
1270	NASDAQ	ATEC	Fri, Jun 24, 2011	42.60	43.56	40.68	41.88
1269	NASDAQ	ATEC	Thu, Jun 23, 2011	42.84	43.44	41.64	42.48
1268	NASDAQ	ATEC	Wed, Jun 22, 2011	42.84	44.52	41.76	43.44
1267	NASDAQ	ATEC	Tue, Jun 21, 2011	41.40	42.84	41.04	42.60
1266	NASDAQ	ATEC	Mon, Jun 20, 2011	40.68	41.52	40.68	40.92
1265	NASDAQ	ATEC	Fri, Jun 17, 2011	42.36	43.08	40.56	40.80
1264	NASDAQ	ATEC	Thu, Jun 16, 2011	39.96	42.12	39.84	42.00
1263	NASDAQ	ATEC	Wed, Jun 15, 2011	40.68	41.40	39.48	39.96
1262	NASDAQ	ATEC	Tue, Jun 14, 2011	42.36	42.60	40.92	41.28
1261	NASDAQ	ATEC	Mon, Jun 13, 2011	40.92	43.20	37.80	41.88
1260	NASDAQ	ATEC	Fri, Jun 10, 2011	41.04	42.72	39.78	40.56
1259	NASDAQ	ATEC	Thu, Jun 9, 2011	40.68	41.64	39.36	41.40
1258	NASDAQ	ATEC	Wed, Jun 8, 2011	41.76	42.35	40.08	40.44
1257	NASDAQ	ATEC	Tue, Jun 7, 2011	41.52	42.00	40.80	41.88
1256	NASDAQ	ATEC	Mon, Jun 6, 2011	41.76	41.76	39.84	41.04
1255	NASDAQ	ATEC	Fri, Jun 3, 2011	41.76	43.56	40.68	42.24
1254	NASDAQ	ATEC	Thu, Jun 2, 2011	44.52	44.64	41.52	42.72
1253	NASDAQ	ATEC	Wed, Jun 1, 2011	45.84	46.08	43.80	44.52
1252	NASDAQ	ATEC	Tue, May 31, 2011	45.72	46.92	45.00	45.48
1251	NASDAQ	ATEC	Fri, May 27, 2011	43.44	45.72	43.20	45.48
1250	NASDAQ	ATEC	Thu, May 26, 2011	42.96	43.32	42.24	43.08
1249	NASDAQ	ATEC	Wed, May 25, 2011	42.48	43.32	42.12	42.96
1248	NASDAQ	ATEC	Tue, May 24, 2011	41.52	43.20	40.80	42.48
1247	NASDAQ	ATEC	Mon, May 23, 2011	41.16	42.36	41.04	41.52
1246	NASDAQ	ATEC	Fri, May 20, 2011	41.88	42.96	41.88	42.24
1245	NASDAQ	ATEC	Thu, May 19, 2011	43.56	43.92	42.00	42.24
1244	NASDAQ	ATEC	Wed, May 18, 2011	40.44	43.44	40.08	43.32
1243	NASDAQ	ATEC	Tue, May 17, 2011	39.96	40.80	39.60	40.32
1242	NASDAQ	ATEC	Mon, May 16, 2011	40.32	40.92	39.60	40.80
1241	NASDAQ	ATEC	Fri, May 13, 2011	40.08	40.80	37.80	40.56
1240	NASDAQ	ATEC	Thu, May 12, 2011	38.64	40.20	38.10	40.08
1239	NASDAQ	ATEC	Wed, May 11, 2011	39.00	39.60	38.45	39.12
1238	NASDAQ	ATEC	Tue, May 10, 2011	37.08	39.48	37.08	39.24
1237	NASDAQ	ATEC	Mon, May 9, 2011	35.88	37.08	35.64	36.72
1236	NASDAQ	ATEC	Fri, May 6, 2011	35.76	36.60	35.04	35.76
1235	NASDAQ	ATEC	Thu, May 5, 2011	35.28	37.08	34.92	35.40
1234	NASDAQ	ATEC	Wed, May 4, 2011	35.40	36.12	34.92	35.40
1233	NASDAQ	ATEC	Tue, May 3, 2011	38.40	38.40	34.80	35.40
1232	NASDAQ	ATEC	Mon, May 2, 2011	39.60	39.60	37.44	38.04
1231	NASDAQ	ATEC	Fri, Apr 29, 2011	39.12	39.36	37.68	38.16
1230	NASDAQ	ATEC	Thu, Apr 28, 2011	37.32	39.84	37.08	39.84
1229	NASDAQ	ATEC	Wed, Apr 27, 2011	37.20	37.56	37.08	37.32
1228	NASDAQ	ATEC	Tue, Apr 26, 2011	36.84	37.56	36.48	37.20
1227	NASDAQ	ATEC	Mon, Apr 25, 2011	36.24	37.32	35.88	36.66
1226	NASDAQ	ATEC	Thu, Apr 21, 2011	37.80	37.80	36.24	36.48
1225	NASDAQ	ATEC	Wed, Apr 20, 2011	37.20	37.68	35.88	37.20
1224	NASDAQ	ATEC	Tue, Apr 19, 2011	35.40	36.84	34.64	36.24
1223	NASDAQ	ATEC	Mon, Apr 18, 2011	35.16	35.52	33.48	34.80
1222	NASDAQ	ATEC	Fri, Apr 15, 2011	36.12	37.08	35.52	35.64
1221	NASDAQ	ATEC	Thu, Apr 14, 2011	36.00	37.32	35.88	36.00
1220	NASDAQ	ATEC	Wed, Apr 13, 2011	35.52	36.24	35.16	35.64
1219	NASDAQ	ATEC	Tue, Apr 12, 2011	35.52	35.76	34.80	35.40
1218	NASDAQ	ATEC	Mon, Apr 11, 2011	35.16	36.36	35.16	36.00
1217	NASDAQ	ATEC	Fri, Apr 8, 2011	35.88	35.88	34.32	35.04
1216	NASDAQ	ATEC	Thu, Apr 7, 2011	37.44	37.44	35.16	35.28
1215	NASDAQ	ATEC	Wed, Apr 6, 2011	35.52	39.48	35.52	37.20
1214	NASDAQ	ATEC	Tue, Apr 5, 2011	34.32	35.88	33.60	35.16
1213	NASDAQ	ATEC	Mon, Apr 4, 2011	35.76	37.20	33.84	34.56
1212	NASDAQ	ATEC	Fri, Apr 1, 2011	32.76	33.60	31.68	33.48
1211	NASDAQ	ATEC	Thu, Mar 31, 2011	32.04	32.88	31.44	32.40
1210	NASDAQ	ATEC	Wed, Mar 30, 2011	31.68	32.40	31.20	32.28
1209	NASDAQ	ATEC	Tue, Mar 29, 2011	31.20	31.80	30.84	31.56
1208	NASDAQ	ATEC	Mon, Mar 28, 2011	31.44	31.92	30.12	31.08
1207	NASDAQ	ATEC	Fri, Mar 25, 2011	31.20	31.56	30.72	31.44
1206	NASDAQ	ATEC	Thu, Mar 24, 2011	30.60	31.20	30.18	30.96
1205	NASDAQ	ATEC	Wed, Mar 23, 2011	30.60	31.20	30.48	30.60
1204	NASDAQ	ATEC	Tue, Mar 22, 2011	31.32	31.56	30.36	30.60
1203	NASDAQ	ATEC	Mon, Mar 21, 2011	31.68	32.52	30.48	31.20
1202	NASDAQ	ATEC	Fri, Mar 18, 2011	31.44	31.68	30.84	31.20
1201	NASDAQ	ATEC	Thu, Mar 17, 2011	31.44	31.56	30.72	31.08
1200	NASDAQ	ATEC	Wed, Mar 16, 2011	30.96	31.68	30.36	30.84
1199	NASDAQ	ATEC	Tue, Mar 15, 2011	30.48	32.40	30.36	31.08
1198	NASDAQ	ATEC	Mon, Mar 14, 2011	31.92	32.40	31.20	31.32
1197	NASDAQ	ATEC	Fri, Mar 11, 2011	32.16	32.52	31.20	32.28
1196	NASDAQ	ATEC	Thu, Mar 10, 2011	33.96	34.56	31.92	32.16
1195	NASDAQ	ATEC	Wed, Mar 9, 2011	33.00	34.20	32.88	34.20
1194	NASDAQ	ATEC	Tue, Mar 8, 2011	32.76	33.72	32.40	33.00
1193	NASDAQ	ATEC	Mon, Mar 7, 2011	33.36	33.72	31.80	32.76
1192	NASDAQ	ATEC	Fri, Mar 4, 2011	32.76	33.84	32.64	32.88
1191	NASDAQ	ATEC	Thu, Mar 3, 2011	32.40	33.84	31.92	32.64
1190	NASDAQ	ATEC	Wed, Mar 2, 2011	31.80	32.28	31.78	32.16
1189	NASDAQ	ATEC	Tue, Mar 1, 2011	32.16	32.28	31.44	31.80
1188	NASDAQ	ATEC	Mon, Feb 28, 2011	32.16	32.76	31.44	31.92
1187	NASDAQ	ATEC	Fri, Feb 25, 2011	34.20	34.80	31.32	31.80
1186	NASDAQ	ATEC	Thu, Feb 24, 2011	32.28	32.94	31.80	32.76
1185	NASDAQ	ATEC	Wed, Feb 23, 2011	33.60	35.28	31.44	32.04
1184	NASDAQ	ATEC	Tue, Feb 22, 2011	32.40	35.40	31.56	33.96
1183	NASDAQ	ATEC	Fri, Feb 18, 2011	31.92	32.52	30.84	32.52
1182	NASDAQ	ATEC	Thu, Feb 17, 2011	31.92	32.40	31.44	31.68
1181	NASDAQ	ATEC	Wed, Feb 16, 2011	32.04	32.16	30.72	31.92
1180	NASDAQ	ATEC	Tue, Feb 15, 2011	31.32	32.40	30.96	31.68
1179	NASDAQ	ATEC	Mon, Feb 14, 2011	30.84	31.80	30.74	31.32
1178	NASDAQ	ATEC	Fri, Feb 11, 2011	30.60	31.20	30.36	30.96
1177	NASDAQ	ATEC	Thu, Feb 10, 2011	30.72	31.68	30.60	30.84
1176	NASDAQ	ATEC	Wed, Feb 9, 2011	31.44	31.56	30.60	30.84
1175	NASDAQ	ATEC	Tue, Feb 8, 2011	31.32	32.04	31.20	31.68
1174	NASDAQ	ATEC	Mon, Feb 7, 2011	30.84	31.68	30.84	31.56
1173	NASDAQ	ATEC	Fri, Feb 4, 2011	30.12	30.84	29.52	30.84
1172	NASDAQ	ATEC	Thu, Feb 3, 2011	31.32	31.32	29.76	30.00
1171	NASDAQ	ATEC	Wed, Feb 2, 2011	30.36	31.32	29.77	31.32
1170	NASDAQ	ATEC	Tue, Feb 1, 2011	29.04	30.96	28.20	30.48
1169	NASDAQ	ATEC	Mon, Jan 31, 2011	29.04	29.88	27.96	28.92
1168	NASDAQ	ATEC	Fri, Jan 28, 2011	31.20	31.32	28.56	29.04
1167	NASDAQ	ATEC	Thu, Jan 27, 2011	32.16	32.16	31.20	31.44
1166	NASDAQ	ATEC	Wed, Jan 26, 2011	31.44	32.04	30.84	32.04
1165	NASDAQ	ATEC	Tue, Jan 25, 2011	31.20	31.92	30.48	31.20
1164	NASDAQ	ATEC	Mon, Jan 24, 2011	30.84	32.28	30.84	31.56
1163	NASDAQ	ATEC	Fri, Jan 21, 2011	31.44	32.28	30.60	30.72
1162	NASDAQ	ATEC	Thu, Jan 20, 2011	32.64	32.64	31.32	31.32
1161	NASDAQ	ATEC	Wed, Jan 19, 2011	33.12	34.44	32.40	32.64
1160	NASDAQ	ATEC	Tue, Jan 18, 2011	31.44	33.60	30.36	33.24
1159	NASDAQ	ATEC	Fri, Jan 14, 2011	31.68	32.40	31.68	32.16
1158	NASDAQ	ATEC	Thu, Jan 13, 2011	32.04	32.76	31.44	31.56
1157	NASDAQ	ATEC	Wed, Jan 12, 2011	32.28	32.34	31.32	31.86
1156	NASDAQ	ATEC	Tue, Jan 11, 2011	33.00	33.00	31.80	32.16
1155	NASDAQ	ATEC	Mon, Jan 10, 2011	30.72	33.12	29.76	32.67
1154	NASDAQ	ATEC	Fri, Jan 7, 2011	32.16	32.16	30.72	31.08
1153	NASDAQ	ATEC	Thu, Jan 6, 2011	31.56	32.64	31.32	32.01
1152	NASDAQ	ATEC	Wed, Jan 5, 2011	32.04	32.40	30.96	31.44
1151	NASDAQ	ATEC	Tue, Jan 4, 2011	33.12	33.24	30.72	32.16
1150	NASDAQ	ATEC	Mon, Jan 3, 2011	32.88	34.32	31.92	33.00
1149	NASDAQ	ATEC	Fri, Dec 31, 2010	32.04	32.88	31.08	32.40
1148	NASDAQ	ATEC	Thu, Dec 30, 2010	31.80	33.36	31.32	32.04
1147	NASDAQ	ATEC	Wed, Dec 29, 2010	32.28	32.76	31.20	31.68
1146	NASDAQ	ATEC	Tue, Dec 28, 2010	31.92	34.08	31.44	32.28
1145	NASDAQ	ATEC	Mon, Dec 27, 2010	30.00	30.36	29.16	30.36
1144	NASDAQ	ATEC	Thu, Dec 23, 2010	30.12	30.60	29.76	30.06
1143	NASDAQ	ATEC	Wed, Dec 22, 2010	30.96	31.20	30.12	30.24
1142	NASDAQ	ATEC	Tue, Dec 21, 2010	29.88	31.20	29.64	30.60
1141	NASDAQ	ATEC	Mon, Dec 20, 2010	28.80	29.88	28.80	29.64
1140	NASDAQ	ATEC	Fri, Dec 17, 2010	29.76	30.12	28.08	28.80
1139	NASDAQ	ATEC	Thu, Dec 16, 2010	29.64	31.20	29.04	29.52
1138	NASDAQ	ATEC	Wed, Dec 15, 2010	28.32	30.60	28.08	29.40
1137	NASDAQ	ATEC	Tue, Dec 14, 2010	27.48	28.56	27.24	27.96
1136	NASDAQ	ATEC	Mon, Dec 13, 2010	27.60	27.72	27.24	27.36
1135	NASDAQ	ATEC	Fri, Dec 10, 2010	26.76	27.60	26.64	27.60
1134	NASDAQ	ATEC	Thu, Dec 9, 2010	27.12	27.24	25.92	26.64
1133	NASDAQ	ATEC	Wed, Dec 8, 2010	26.16	27.12	26.04	27.00
1132	NASDAQ	ATEC	Tue, Dec 7, 2010	27.48	27.48	25.80	25.92
1131	NASDAQ	ATEC	Mon, Dec 6, 2010	27.12	27.84	26.88	27.24
1130	NASDAQ	ATEC	Fri, Dec 3, 2010	26.40	27.36	25.80	27.24
1129	NASDAQ	ATEC	Thu, Dec 2, 2010	26.16	26.64	25.44	26.64
1128	NASDAQ	ATEC	Wed, Dec 1, 2010	27.60	27.96	25.92	26.16
1127	NASDAQ	ATEC	Tue, Nov 30, 2010	24.72	27.00	24.72	27.00
1126	NASDAQ	ATEC	Mon, Nov 29, 2010	25.20	25.56	24.72	25.08
1125	NASDAQ	ATEC	Fri, Nov 26, 2010	25.08	25.20	24.72	24.96
1124	NASDAQ	ATEC	Wed, Nov 24, 2010	25.20	25.92	24.96	25.20
1123	NASDAQ	ATEC	Tue, Nov 23, 2010	25.08	25.56	24.60	25.08
1122	NASDAQ	ATEC	Mon, Nov 22, 2010	24.72	25.80	24.60	25.32
1121	NASDAQ	ATEC	Fri, Nov 19, 2010	24.72	24.96	24.24	24.96
1120	NASDAQ	ATEC	Thu, Nov 18, 2010	25.32	25.44	24.60	24.72
1119	NASDAQ	ATEC	Wed, Nov 17, 2010	25.20	25.20	24.48	24.96
1118	NASDAQ	ATEC	Tue, Nov 16, 2010	25.20	25.80	24.60	24.96
1117	NASDAQ	ATEC	Mon, Nov 15, 2010	24.60	26.28	24.60	25.44
1116	NASDAQ	ATEC	Fri, Nov 12, 2010	24.24	25.08	24.12	24.36
1115	NASDAQ	ATEC	Thu, Nov 11, 2010	24.48	25.80	24.48	24.48
1114	NASDAQ	ATEC	Wed, Nov 10, 2010	25.20	25.68	24.36	24.72
1113	NASDAQ	ATEC	Tue, Nov 9, 2010	25.56	26.76	24.36	24.96
1112	NASDAQ	ATEC	Mon, Nov 8, 2010	27.60	27.96	27.00	27.12
1111	NASDAQ	ATEC	Fri, Nov 5, 2010	27.96	28.20	27.12	27.60
1110	NASDAQ	ATEC	Thu, Nov 4, 2010	27.36	27.96	26.28	27.72
1109	NASDAQ	ATEC	Wed, Nov 3, 2010	26.16	26.76	25.92	26.28
1108	NASDAQ	ATEC	Tue, Nov 2, 2010	26.28	26.52	25.44	26.04
1107	NASDAQ	ATEC	Mon, Nov 1, 2010	26.16	26.28	24.84	25.80
1106	NASDAQ	ATEC	Fri, Oct 29, 2010	27.36	27.36	26.16	26.16
1105	NASDAQ	ATEC	Thu, Oct 28, 2010	28.56	29.04	27.00	27.48
1104	NASDAQ	ATEC	Wed, Oct 27, 2010	27.00	29.16	26.40	28.80
1103	NASDAQ	ATEC	Tue, Oct 26, 2010	27.72	28.08	27.00	27.12
1102	NASDAQ	ATEC	Mon, Oct 25, 2010	28.44	29.40	27.60	27.84
1101	NASDAQ	ATEC	Fri, Oct 22, 2010	28.44	29.04	27.12	28.56
1100	NASDAQ	ATEC	Thu, Oct 21, 2010	29.52	30.24	27.48	28.32
1099	NASDAQ	ATEC	Wed, Oct 20, 2010	28.92	29.04	27.24	28.68
1098	NASDAQ	ATEC	Tue, Oct 19, 2010	30.12	31.08	28.44	28.92
1097	NASDAQ	ATEC	Mon, Oct 18, 2010	30.24	31.20	29.28	30.84
1096	NASDAQ	ATEC	Fri, Oct 15, 2010	31.44	32.40	29.28	30.00
1095	NASDAQ	ATEC	Thu, Oct 14, 2010	28.44	31.68	28.20	30.96
1094	NASDAQ	ATEC	Wed, Oct 13, 2010	27.24	28.56	26.28	28.20
1093	NASDAQ	ATEC	Tue, Oct 12, 2010	26.88	27.24	25.92	26.88
1092	NASDAQ	ATEC	Mon, Oct 11, 2010	26.28	26.76	25.68	26.76
1091	NASDAQ	ATEC	Fri, Oct 8, 2010	27.60	27.84	26.16	26.28
1090	NASDAQ	ATEC	Thu, Oct 7, 2010	27.36	27.84	26.76	27.36
1089	NASDAQ	ATEC	Wed, Oct 6, 2010	26.88	28.20	26.64	27.12
1088	NASDAQ	ATEC	Tue, Oct 5, 2010	26.40	26.88	25.56	26.55
1087	NASDAQ	ATEC	Mon, Oct 4, 2010	26.76	27.00	25.44	26.16
1086	NASDAQ	ATEC	Fri, Oct 1, 2010	26.04	27.36	25.20	26.64
1085	NASDAQ	ATEC	Thu, Sep 30, 2010	26.40	26.52	25.56	25.56
1084	NASDAQ	ATEC	Wed, Sep 29, 2010	26.76	26.76	25.92	26.04
1083	NASDAQ	ATEC	Tue, Sep 28, 2010	26.52	26.76	25.92	26.76
1082	NASDAQ	ATEC	Mon, Sep 27, 2010	26.52	27.00	25.92	26.52
1081	NASDAQ	ATEC	Fri, Sep 24, 2010	25.68	26.40	25.44	26.40
1080	NASDAQ	ATEC	Thu, Sep 23, 2010	25.68	25.68	24.36	25.32
1079	NASDAQ	ATEC	Wed, Sep 22, 2010	24.60	26.40	24.24	25.08
1078	NASDAQ	ATEC	Tue, Sep 21, 2010	24.48	24.48	23.52	23.88
1077	NASDAQ	ATEC	Mon, Sep 20, 2010	24.24	24.60	24.00	24.60
1076	NASDAQ	ATEC	Fri, Sep 17, 2010	24.96	24.96	24.00	24.12
1075	NASDAQ	ATEC	Thu, Sep 16, 2010	24.60	25.56	24.00	24.60
1074	NASDAQ	ATEC	Wed, Sep 15, 2010	24.84	24.96	24.12	24.72
1073	NASDAQ	ATEC	Tue, Sep 14, 2010	25.32	25.67	24.84	25.08
1072	NASDAQ	ATEC	Mon, Sep 13, 2010	25.80	26.04	25.20	25.47
1071	NASDAQ	ATEC	Fri, Sep 10, 2010	25.56	26.04	25.44	25.56
1070	NASDAQ	ATEC	Thu, Sep 9, 2010	25.32	26.16	24.96	25.80
1069	NASDAQ	ATEC	Wed, Sep 8, 2010	25.68	26.11	24.60	24.96
1068	NASDAQ	ATEC	Tue, Sep 7, 2010	27.00	27.00	25.44	25.44
1067	NASDAQ	ATEC	Fri, Sep 3, 2010	28.44	29.16	26.40	27.00
1066	NASDAQ	ATEC	Thu, Sep 2, 2010	27.24	28.20	25.80	27.84
1065	NASDAQ	ATEC	Wed, Sep 1, 2010	25.32	26.52	24.96	25.08
1064	NASDAQ	ATEC	Tue, Aug 31, 2010	25.32	25.32	24.60	24.72
1063	NASDAQ	ATEC	Mon, Aug 30, 2010	25.56	25.80	24.96	25.44
1062	NASDAQ	ATEC	Fri, Aug 27, 2010	25.68	25.68	24.60	25.68
1061	NASDAQ	ATEC	Thu, Aug 26, 2010	25.80	25.92	24.96	25.20
1060	NASDAQ	ATEC	Wed, Aug 25, 2010	24.12	25.68	24.12	25.56
1059	NASDAQ	ATEC	Tue, Aug 24, 2010	24.72	25.32	24.00	24.24
1058	NASDAQ	ATEC	Mon, Aug 23, 2010	27.00	27.00	25.08	25.20
1057	NASDAQ	ATEC	Fri, Aug 20, 2010	27.84	28.56	25.20	26.88
1056	NASDAQ	ATEC	Thu, Aug 19, 2010	27.00	28.32	26.76	28.20
1055	NASDAQ	ATEC	Wed, Aug 18, 2010	26.64	27.48	25.92	26.76
1054	NASDAQ	ATEC	Tue, Aug 17, 2010	27.00	29.16	26.52	26.88
1053	NASDAQ	ATEC	Mon, Aug 16, 2010	23.40	27.36	22.20	27.36
1052	NASDAQ	ATEC	Fri, Aug 13, 2010	24.00	25.43	23.40	23.64
1051	NASDAQ	ATEC	Thu, Aug 12, 2010	25.32	26.16	24.48	25.32
1050	NASDAQ	ATEC	Wed, Aug 11, 2010	29.04	29.52	25.32	26.16
1049	NASDAQ	ATEC	Tue, Aug 10, 2010	30.12	30.36	28.68	30.00
1048	NASDAQ	ATEC	Mon, Aug 9, 2010	29.40	31.08	28.80	30.12
1047	NASDAQ	ATEC	Fri, Aug 6, 2010	30.24	32.28	28.20	28.68
1046	NASDAQ	ATEC	Thu, Aug 5, 2010	52.44	53.16	51.60	53.04
1045	NASDAQ	ATEC	Wed, Aug 4, 2010	52.20	53.88	50.88	53.04
1044	NASDAQ	ATEC	Tue, Aug 3, 2010	51.36	55.20	51.12	51.96
1043	NASDAQ	ATEC	Mon, Aug 2, 2010	52.08	52.56	51.00	51.84
1042	NASDAQ	ATEC	Fri, Jul 30, 2010	50.16	53.28	50.16	50.76
1041	NASDAQ	ATEC	Thu, Jul 29, 2010	51.60	51.96	50.76	51.00
1040	NASDAQ	ATEC	Wed, Jul 28, 2010	53.28	54.00	51.00	51.60
1039	NASDAQ	ATEC	Tue, Jul 27, 2010	53.28	53.28	52.20	52.68
1038	NASDAQ	ATEC	Mon, Jul 26, 2010	51.12	53.16	50.88	52.92
1037	NASDAQ	ATEC	Fri, Jul 23, 2010	52.56	52.56	50.28	50.76
1036	NASDAQ	ATEC	Thu, Jul 22, 2010	52.32	53.88	51.12	52.80
1035	NASDAQ	ATEC	Wed, Jul 21, 2010	55.08	55.08	51.00	51.12
1034	NASDAQ	ATEC	Tue, Jul 20, 2010	53.40	54.96	51.24	54.96
1033	NASDAQ	ATEC	Mon, Jul 19, 2010	54.72	55.20	53.16	54.12
1032	NASDAQ	ATEC	Fri, Jul 16, 2010	55.80	56.16	53.28	54.60
1031	NASDAQ	ATEC	Thu, Jul 15, 2010	56.64	58.45	55.44	55.80
1030	NASDAQ	ATEC	Wed, Jul 14, 2010	56.52	57.72	54.12	56.40
1029	NASDAQ	ATEC	Tue, Jul 13, 2010	54.96	57.00	54.06	57.00
1028	NASDAQ	ATEC	Mon, Jul 12, 2010	54.96	55.92	53.28	53.76
1027	NASDAQ	ATEC	Fri, Jul 9, 2010	55.92	55.92	53.52	55.08
1026	NASDAQ	ATEC	Thu, Jul 8, 2010	53.64	56.40	51.96	55.92
1025	NASDAQ	ATEC	Wed, Jul 7, 2010	53.52	54.00	50.04	52.80
1024	NASDAQ	ATEC	Tue, Jul 6, 2010	55.80	56.04	52.80	53.40
1023	NASDAQ	ATEC	Fri, Jul 2, 2010	53.04	57.60	53.04	54.36
1022	NASDAQ	ATEC	Thu, Jul 1, 2010	55.44	55.44	48.96	52.80
1021	NASDAQ	ATEC	Wed, Jun 30, 2010	57.12	59.40	55.08	55.68
1020	NASDAQ	ATEC	Tue, Jun 29, 2010	58.44	59.16	56.64	57.36
1019	NASDAQ	ATEC	Mon, Jun 28, 2010	60.36	62.76	58.80	60.00
1018	NASDAQ	ATEC	Fri, Jun 25, 2010	59.28	61.92	58.68	60.36
1017	NASDAQ	ATEC	Thu, Jun 24, 2010	59.28	61.68	58.68	58.68
1016	NASDAQ	ATEC	Wed, Jun 23, 2010	60.00	60.50	58.32	60.00
1015	NASDAQ	ATEC	Tue, Jun 22, 2010	62.76	64.20	59.64	60.00
1014	NASDAQ	ATEC	Mon, Jun 21, 2010	63.24	63.84	62.16	63.00
1013	NASDAQ	ATEC	Fri, Jun 18, 2010	62.64	64.44	61.77	61.80
1012	NASDAQ	ATEC	Thu, Jun 17, 2010	61.20	64.80	60.60	62.16
1011	NASDAQ	ATEC	Wed, Jun 16, 2010	59.40	62.16	54.60	60.60
1010	NASDAQ	ATEC	Tue, Jun 15, 2010	59.16	60.72	56.29	60.00
1009	NASDAQ	ATEC	Mon, Jun 14, 2010	58.80	60.24	56.52	58.32
1008	NASDAQ	ATEC	Fri, Jun 11, 2010	55.20	59.04	55.20	57.84
1007	NASDAQ	ATEC	Thu, Jun 10, 2010	56.16	56.76	54.36	56.28
1006	NASDAQ	ATEC	Wed, Jun 9, 2010	57.00	58.56	54.36	54.60
1005	NASDAQ	ATEC	Tue, Jun 8, 2010	59.16	60.12	54.84	55.32
1004	NASDAQ	ATEC	Mon, Jun 7, 2010	63.36	65.04	59.76	59.76
1003	NASDAQ	ATEC	Fri, Jun 4, 2010	66.60	67.56	62.76	63.12
1002	NASDAQ	ATEC	Thu, Jun 3, 2010	66.48	69.84	66.12	69.60
1001	NASDAQ	ATEC	Wed, Jun 2, 2010	62.76	66.00	60.48	66.00
1000	NASDAQ	ATEC	Tue, Jun 1, 2010	63.36	65.28	61.68	61.68
999	NASDAQ	ATEC	Fri, May 28, 2010	67.20	67.20	63.24	63.96
998	NASDAQ	ATEC	Thu, May 27, 2010	64.80	67.68	63.12	67.68
997	NASDAQ	ATEC	Wed, May 26, 2010	63.60	65.64	62.28	62.52
996	NASDAQ	ATEC	Tue, May 25, 2010	62.52	64.08	60.12	63.36
995	NASDAQ	ATEC	Mon, May 24, 2010	64.68	66.84	63.60	64.44
994	NASDAQ	ATEC	Fri, May 21, 2010	63.60	66.48	62.94	64.56
993	NASDAQ	ATEC	Thu, May 20, 2010	64.08	66.96	63.00	64.20
992	NASDAQ	ATEC	Wed, May 19, 2010	67.80	68.88	66.36	66.72
991	NASDAQ	ATEC	Tue, May 18, 2010	70.44	70.68	67.08	68.04
990	NASDAQ	ATEC	Mon, May 17, 2010	68.76	71.16	67.32	69.00
989	NASDAQ	ATEC	Fri, May 14, 2010	72.84	73.92	66.60	67.92
988	NASDAQ	ATEC	Thu, May 13, 2010	70.44	74.04	70.14	73.32
987	NASDAQ	ATEC	Wed, May 12, 2010	70.44	72.00	68.07	70.92
986	NASDAQ	ATEC	Tue, May 11, 2010	67.92	72.48	64.20	70.44
985	NASDAQ	ATEC	Mon, May 10, 2010	72.00	72.00	66.72	68.76
984	NASDAQ	ATEC	Fri, May 7, 2010	66.60	70.08	64.68	65.88
983	NASDAQ	ATEC	Thu, May 6, 2010	76.08	76.92	63.60	68.16
982	NASDAQ	ATEC	Wed, May 5, 2010	77.88	80.16	76.56	76.92
981	NASDAQ	ATEC	Tue, May 4, 2010	79.80	80.76	77.94	79.56
980	NASDAQ	ATEC	Mon, May 3, 2010	80.88	81.96	77.52	81.60
979	NASDAQ	ATEC	Fri, Apr 30, 2010	83.64	85.32	80.16	80.16
978	NASDAQ	ATEC	Thu, Apr 29, 2010	78.84	87.30	73.56	83.40
977	NASDAQ	ATEC	Wed, Apr 28, 2010	84.12	88.44	82.32	87.84
976	NASDAQ	ATEC	Tue, Apr 27, 2010	84.00	84.00	77.52	83.88
975	NASDAQ	ATEC	Mon, Apr 26, 2010	79.92	91.44	79.56	83.28
974	NASDAQ	ATEC	Fri, Apr 23, 2010	77.40	80.76	76.80	80.28
973	NASDAQ	ATEC	Thu, Apr 22, 2010	73.56	78.36	72.72	77.76
972	NASDAQ	ATEC	Wed, Apr 21, 2010	72.96	74.63	72.00	74.40
971	NASDAQ	ATEC	Tue, Apr 20, 2010	70.92	73.20	69.77	72.96
970	NASDAQ	ATEC	Mon, Apr 19, 2010	68.76	71.52	68.76	69.84
969	NASDAQ	ATEC	Fri, Apr 16, 2010	65.76	69.60	64.20	68.76
968	NASDAQ	ATEC	Thu, Apr 15, 2010	68.76	68.76	65.76	67.20
967	NASDAQ	ATEC	Wed, Apr 14, 2010	69.48	69.96	67.80	69.72
966	NASDAQ	ATEC	Tue, Apr 13, 2010	69.84	73.80	69.12	70.32
965	NASDAQ	ATEC	Mon, Apr 12, 2010	76.68	76.68	67.32	70.08
964	NASDAQ	ATEC	Fri, Apr 9, 2010	76.56	77.16	75.60	76.44
963	NASDAQ	ATEC	Thu, Apr 8, 2010	76.08	76.92	72.48	76.20
962	NASDAQ	ATEC	Wed, Apr 7, 2010	78.00	79.92	75.00	76.56
961	NASDAQ	ATEC	Tue, Apr 6, 2010	77.40	79.42	76.32	76.44
960	NASDAQ	ATEC	Mon, Apr 5, 2010	76.44	78.00	76.44	77.64
959	NASDAQ	ATEC	Thu, Apr 1, 2010	77.04	77.65	75.36	76.32
958	NASDAQ	ATEC	Wed, Mar 31, 2010	75.60	76.92	75.60	76.44
957	NASDAQ	ATEC	Tue, Mar 30, 2010	76.08	77.40	75.48	76.32
956	NASDAQ	ATEC	Mon, Mar 29, 2010	77.16	77.52	75.36	76.08
955	NASDAQ	ATEC	Fri, Mar 26, 2010	76.56	78.00	75.48	76.68
954	NASDAQ	ATEC	Thu, Mar 25, 2010	77.04	78.36	75.00	76.32
953	NASDAQ	ATEC	Wed, Mar 24, 2010	77.40	77.88	76.08	76.20
952	NASDAQ	ATEC	Tue, Mar 23, 2010	78.00	78.48	76.44	78.24
951	NASDAQ	ATEC	Mon, Mar 22, 2010	80.04	81.24	77.64	78.48
950	NASDAQ	ATEC	Fri, Mar 19, 2010	80.16	81.60	78.60	81.60
949	NASDAQ	ATEC	Thu, Mar 18, 2010	79.68	80.16	78.36	79.68
948	NASDAQ	ATEC	Wed, Mar 17, 2010	80.04	81.00	78.84	79.56
947	NASDAQ	ATEC	Tue, Mar 16, 2010	79.20	79.56	76.80	79.56
946	NASDAQ	ATEC	Mon, Mar 15, 2010	77.16	79.44	76.44	79.32
945	NASDAQ	ATEC	Fri, Mar 12, 2010	73.08	77.76	72.24	77.16
944	NASDAQ	ATEC	Thu, Mar 11, 2010	72.00	73.92	71.04	72.60
943	NASDAQ	ATEC	Wed, Mar 10, 2010	67.56	72.84	67.56	72.36
942	NASDAQ	ATEC	Tue, Mar 9, 2010	62.52	64.68	62.28	63.36
941	NASDAQ	ATEC	Mon, Mar 8, 2010	64.56	64.56	62.52	63.12
940	NASDAQ	ATEC	Fri, Mar 5, 2010	65.28	65.52	64.44	65.28
939	NASDAQ	ATEC	Thu, Mar 4, 2010	65.52	65.88	60.84	65.04
938	NASDAQ	ATEC	Wed, Mar 3, 2010	65.88	66.60	62.78	65.52
937	NASDAQ	ATEC	Tue, Mar 2, 2010	62.76	66.00	60.12	66.00
936	NASDAQ	ATEC	Mon, Mar 1, 2010	62.16	62.40	60.72	62.40
935	NASDAQ	ATEC	Fri, Feb 26, 2010	61.20	62.16	60.00	61.56
934	NASDAQ	ATEC	Thu, Feb 25, 2010	59.04	61.20	58.32	60.96
933	NASDAQ	ATEC	Wed, Feb 24, 2010	60.96	63.66	58.80	60.12
932	NASDAQ	ATEC	Tue, Feb 23, 2010	60.00	60.36	57.24	58.68
931	NASDAQ	ATEC	Mon, Feb 22, 2010	62.52	62.52	60.00	60.36
930	NASDAQ	ATEC	Fri, Feb 19, 2010	63.48	63.48	61.44	62.04
929	NASDAQ	ATEC	Thu, Feb 18, 2010	62.04	63.84	59.72	63.60
928	NASDAQ	ATEC	Wed, Feb 17, 2010	57.96	60.96	56.52	60.96
927	NASDAQ	ATEC	Tue, Feb 16, 2010	56.64	58.68	54.48	57.60
926	NASDAQ	ATEC	Fri, Feb 12, 2010	54.00	56.52	54.00	56.40
925	NASDAQ	ATEC	Thu, Feb 11, 2010	52.20	54.96	52.08	54.84
924	NASDAQ	ATEC	Wed, Feb 10, 2010	52.44	54.00	51.36	52.80
923	NASDAQ	ATEC	Tue, Feb 9, 2010	53.52	54.22	51.24	52.92
922	NASDAQ	ATEC	Mon, Feb 8, 2010	51.60	56.64	49.61	52.44
921	NASDAQ	ATEC	Fri, Feb 5, 2010	49.56	52.68	49.20	51.48
920	NASDAQ	ATEC	Thu, Feb 4, 2010	54.24	54.48	49.20	49.20
919	NASDAQ	ATEC	Wed, Feb 3, 2010	54.00	56.76	53.28	53.28
918	NASDAQ	ATEC	Tue, Feb 2, 2010	55.08	58.92	54.00	54.12
917	NASDAQ	ATEC	Mon, Feb 1, 2010	53.40	54.72	51.96	52.80
916	NASDAQ	ATEC	Fri, Jan 29, 2010	54.48	55.92	52.80	53.04
915	NASDAQ	ATEC	Thu, Jan 28, 2010	56.64	56.64	53.76	54.12
914	NASDAQ	ATEC	Wed, Jan 27, 2010	54.84	58.80	54.84	56.28
913	NASDAQ	ATEC	Tue, Jan 26, 2010	57.24	57.96	55.20	55.20
912	NASDAQ	ATEC	Mon, Jan 25, 2010	59.28	60.12	56.28	57.72
911	NASDAQ	ATEC	Fri, Jan 22, 2010	59.76	62.16	58.20	58.44
910	NASDAQ	ATEC	Thu, Jan 21, 2010	61.56	61.68	59.88	59.88
909	NASDAQ	ATEC	Wed, Jan 20, 2010	64.80	64.80	60.00	61.20
908	NASDAQ	ATEC	Tue, Jan 19, 2010	63.00	65.64	61.44	65.64
907	NASDAQ	ATEC	Fri, Jan 15, 2010	65.64	66.72	60.72	62.88
906	NASDAQ	ATEC	Thu, Jan 14, 2010	66.36	66.36	63.60	65.28
905	NASDAQ	ATEC	Wed, Jan 13, 2010	60.96	66.96	60.24	66.72
904	NASDAQ	ATEC	Tue, Jan 12, 2010	62.40	63.54	60.00	60.48
903	NASDAQ	ATEC	Mon, Jan 11, 2010	60.00	63.72	59.40	63.48
902	NASDAQ	ATEC	Fri, Jan 8, 2010	60.00	60.96	57.96	59.88
901	NASDAQ	ATEC	Thu, Jan 7, 2010	58.80	60.48	58.20	59.88
900	NASDAQ	ATEC	Wed, Jan 6, 2010	61.32	61.44	57.12	57.36
899	NASDAQ	ATEC	Tue, Jan 5, 2010	63.36	63.60	60.36	61.56
898	NASDAQ	ATEC	Mon, Jan 4, 2010	63.60	64.08	62.40	63.36
897	NASDAQ	ATEC	Thu, Dec 31, 2009	63.00	64.56	62.28	64.08
896	NASDAQ	ATEC	Wed, Dec 30, 2009	62.04	64.20	61.44	63.84
895	NASDAQ	ATEC	Tue, Dec 29, 2009	63.72	63.96	62.52	63.48
894	NASDAQ	ATEC	Mon, Dec 28, 2009	64.80	64.80	62.16	63.84
893	NASDAQ	ATEC	Thu, Dec 24, 2009	64.32	65.04	63.72	64.56
892	NASDAQ	ATEC	Wed, Dec 23, 2009	62.40	64.68	60.60	64.08
891	NASDAQ	ATEC	Tue, Dec 22, 2009	60.84	63.24	60.00	62.16
890	NASDAQ	ATEC	Mon, Dec 21, 2009	63.84	65.76	59.64	60.48
889	NASDAQ	ATEC	Fri, Dec 18, 2009	58.56	63.36	57.00	63.24
888	NASDAQ	ATEC	Thu, Dec 17, 2009	59.52	60.00	57.84	58.20
887	NASDAQ	ATEC	Wed, Dec 16, 2009	60.60	63.00	58.80	60.12
886	NASDAQ	ATEC	Tue, Dec 15, 2009	60.00	62.52	57.76	59.88
885	NASDAQ	ATEC	Mon, Dec 14, 2009	59.40	62.40	58.56	60.24
884	NASDAQ	ATEC	Fri, Dec 11, 2009	57.48	59.16	57.00	59.16
883	NASDAQ	ATEC	Thu, Dec 10, 2009	59.16	59.16	56.88	57.12
882	NASDAQ	ATEC	Wed, Dec 9, 2009	57.00	59.40	57.00	58.80
881	NASDAQ	ATEC	Tue, Dec 8, 2009	54.72	57.60	54.48	57.12
880	NASDAQ	ATEC	Mon, Dec 7, 2009	55.68	55.80	53.88	54.96
879	NASDAQ	ATEC	Fri, Dec 4, 2009	55.20	56.76	54.72	55.56
878	NASDAQ	ATEC	Thu, Dec 3, 2009	56.40	56.40	53.40	53.76
877	NASDAQ	ATEC	Wed, Dec 2, 2009	57.96	59.64	55.80	56.04
876	NASDAQ	ATEC	Tue, Dec 1, 2009	55.08	58.08	54.60	58.08
875	NASDAQ	ATEC	Mon, Nov 30, 2009	51.24	55.08	48.60	54.48
874	NASDAQ	ATEC	Fri, Nov 27, 2009	51.12	52.92	51.12	51.48
873	NASDAQ	ATEC	Wed, Nov 25, 2009	52.92	54.12	52.08	53.40
872	NASDAQ	ATEC	Tue, Nov 24, 2009	52.32	52.92	50.28	52.80
871	NASDAQ	ATEC	Mon, Nov 23, 2009	50.52	53.04	49.80	52.08
870	NASDAQ	ATEC	Fri, Nov 20, 2009	52.32	54.72	49.56	50.28
869	NASDAQ	ATEC	Thu, Nov 19, 2009	53.76	54.84	51.72	53.04
868	NASDAQ	ATEC	Wed, Nov 18, 2009	54.60	55.68	53.04	54.00
867	NASDAQ	ATEC	Tue, Nov 17, 2009	55.44	55.44	53.40	54.72
866	NASDAQ	ATEC	Mon, Nov 16, 2009	52.32	56.04	52.32	55.44
865	NASDAQ	ATEC	Fri, Nov 13, 2009	51.96	52.68	50.52	51.96
864	NASDAQ	ATEC	Thu, Nov 12, 2009	58.32	58.38	51.60	51.84
863	NASDAQ	ATEC	Wed, Nov 11, 2009	57.96	58.80	56.88	58.68
862	NASDAQ	ATEC	Tue, Nov 10, 2009	58.92	59.64	56.88	57.12
861	NASDAQ	ATEC	Mon, Nov 9, 2009	57.60	59.16	56.88	59.16
860	NASDAQ	ATEC	Fri, Nov 6, 2009	58.20	58.56	56.16	56.76
859	NASDAQ	ATEC	Thu, Nov 5, 2009	54.12	59.28	54.00	59.16
858	NASDAQ	ATEC	Wed, Nov 4, 2009	56.04	57.24	54.60	54.60
857	NASDAQ	ATEC	Tue, Nov 3, 2009	55.80	56.88	49.20	55.92
856	NASDAQ	ATEC	Mon, Nov 2, 2009	57.60	57.60	55.20	56.16
855	NASDAQ	ATEC	Fri, Oct 30, 2009	57.00	58.32	56.88	57.36
854	NASDAQ	ATEC	Thu, Oct 29, 2009	57.36	58.20	55.92	57.72
853	NASDAQ	ATEC	Wed, Oct 28, 2009	57.36	58.20	56.40	56.88
852	NASDAQ	ATEC	Tue, Oct 27, 2009	58.20	58.68	57.00	57.60
851	NASDAQ	ATEC	Mon, Oct 26, 2009	57.84	59.04	57.84	58.08
850	NASDAQ	ATEC	Fri, Oct 23, 2009	59.76	59.76	57.60	57.60
849	NASDAQ	ATEC	Thu, Oct 22, 2009	58.44	60.36	57.96	59.64
848	NASDAQ	ATEC	Wed, Oct 21, 2009	58.44	61.20	58.08	58.68
847	NASDAQ	ATEC	Tue, Oct 20, 2009	58.68	58.68	56.88	57.12
846	NASDAQ	ATEC	Mon, Oct 19, 2009	59.64	59.76	57.72	58.32
845	NASDAQ	ATEC	Fri, Oct 16, 2009	59.28	60.00	57.00	59.40
844	NASDAQ	ATEC	Thu, Oct 15, 2009	60.00	60.24	58.20	59.64
843	NASDAQ	ATEC	Wed, Oct 14, 2009	60.12	61.20	59.16	60.24
842	NASDAQ	ATEC	Tue, Oct 13, 2009	59.16	60.12	58.20	60.00
841	NASDAQ	ATEC	Mon, Oct 12, 2009	58.20	59.52	57.24	59.40
840	NASDAQ	ATEC	Fri, Oct 9, 2009	57.12	58.20	57.00	58.20
839	NASDAQ	ATEC	Thu, Oct 8, 2009	57.36	58.20	56.04	57.00
838	NASDAQ	ATEC	Wed, Oct 7, 2009	55.08	57.00	54.72	57.00
837	NASDAQ	ATEC	Tue, Oct 6, 2009	55.80	56.40	54.39	56.28
836	NASDAQ	ATEC	Mon, Oct 5, 2009	55.68	56.88	54.72	55.68
835	NASDAQ	ATEC	Fri, Oct 2, 2009	52.32	56.40	51.00	54.00
834	NASDAQ	ATEC	Thu, Oct 1, 2009	54.96	55.54	52.44	52.68
833	NASDAQ	ATEC	Wed, Sep 30, 2009	56.04	57.00	54.12	55.20
832	NASDAQ	ATEC	Tue, Sep 29, 2009	54.48	56.04	54.48	55.98
831	NASDAQ	ATEC	Mon, Sep 28, 2009	55.92	57.00	55.68	55.92
830	NASDAQ	ATEC	Fri, Sep 25, 2009	55.68	57.90	54.00	55.68
829	NASDAQ	ATEC	Thu, Sep 24, 2009	57.48	58.80	54.84	55.68
828	NASDAQ	ATEC	Wed, Sep 23, 2009	59.28	59.28	57.24	57.24
827	NASDAQ	ATEC	Tue, Sep 22, 2009	61.20	61.20	58.80	59.04
826	NASDAQ	ATEC	Mon, Sep 21, 2009	61.92	63.60	60.00	60.96
825	NASDAQ	ATEC	Fri, Sep 18, 2009	62.40	64.92	60.12	62.52
824	NASDAQ	ATEC	Thu, Sep 17, 2009	62.16	64.86	61.32	62.16
823	NASDAQ	ATEC	Wed, Sep 16, 2009	60.48	66.06	59.76	62.52
822	NASDAQ	ATEC	Tue, Sep 15, 2009	60.00	60.48	57.72	60.48
821	NASDAQ	ATEC	Mon, Sep 14, 2009	57.96	60.00	57.00	60.00
820	NASDAQ	ATEC	Fri, Sep 11, 2009	57.60	58.80	57.48	58.20
819	NASDAQ	ATEC	Thu, Sep 10, 2009	55.80	57.72	53.64	57.60
818	NASDAQ	ATEC	Wed, Sep 9, 2009	55.20	56.40	54.72	56.28
817	NASDAQ	ATEC	Tue, Sep 8, 2009	54.00	55.44	51.00	55.44
816	NASDAQ	ATEC	Fri, Sep 4, 2009	52.44	53.88	52.20	53.76
815	NASDAQ	ATEC	Thu, Sep 3, 2009	52.56	52.80	50.88	52.32
814	NASDAQ	ATEC	Wed, Sep 2, 2009	51.84	52.92	51.00	52.44
813	NASDAQ	ATEC	Tue, Sep 1, 2009	54.36	55.80	51.00	52.08
812	NASDAQ	ATEC	Mon, Aug 31, 2009	56.64	57.60	54.84	54.96
811	NASDAQ	ATEC	Fri, Aug 28, 2009	55.08	57.60	52.32	57.24
810	NASDAQ	ATEC	Thu, Aug 27, 2009	54.72	54.72	52.92	54.72
809	NASDAQ	ATEC	Wed, Aug 26, 2009	54.72	55.32	53.52	54.84
808	NASDAQ	ATEC	Tue, Aug 25, 2009	56.52	57.00	54.36	55.20
807	NASDAQ	ATEC	Mon, Aug 24, 2009	55.92	58.08	54.60	56.40
806	NASDAQ	ATEC	Fri, Aug 21, 2009	53.04	55.20	51.60	55.20
805	NASDAQ	ATEC	Thu, Aug 20, 2009	52.56	52.80	51.00	52.80
804	NASDAQ	ATEC	Wed, Aug 19, 2009	51.12	52.68	50.22	52.56
803	NASDAQ	ATEC	Tue, Aug 18, 2009	51.24	52.56	50.16	51.84
802	NASDAQ	ATEC	Mon, Aug 17, 2009	48.96	51.24	47.16	51.00
801	NASDAQ	ATEC	Fri, Aug 14, 2009	51.48	51.60	50.04	50.16
800	NASDAQ	ATEC	Thu, Aug 13, 2009	52.68	53.28	49.68	51.48
799	NASDAQ	ATEC	Wed, Aug 12, 2009	47.76	53.64	46.92	52.44
798	NASDAQ	ATEC	Tue, Aug 11, 2009	50.40	50.40	46.80	47.52
797	NASDAQ	ATEC	Mon, Aug 10, 2009	47.04	50.76	46.20	50.52
796	NASDAQ	ATEC	Fri, Aug 7, 2009	47.76	48.72	46.20	47.28
795	NASDAQ	ATEC	Thu, Aug 6, 2009	51.72	51.72	39.84	46.80
794	NASDAQ	ATEC	Wed, Aug 5, 2009	53.40	53.40	48.96	51.60
793	NASDAQ	ATEC	Tue, Aug 4, 2009	49.80	53.88	48.60	53.40
792	NASDAQ	ATEC	Mon, Aug 3, 2009	46.80	48.03	46.44	46.80
791	NASDAQ	ATEC	Fri, Jul 31, 2009	45.84	46.68	44.76	44.88
790	NASDAQ	ATEC	Thu, Jul 30, 2009	46.32	47.76	45.12	46.08
789	NASDAQ	ATEC	Wed, Jul 29, 2009	45.00	46.56	44.64	45.84
788	NASDAQ	ATEC	Tue, Jul 28, 2009	43.44	45.60	43.20	45.48
787	NASDAQ	ATEC	Mon, Jul 27, 2009	43.44	44.04	42.36	43.80
786	NASDAQ	ATEC	Fri, Jul 24, 2009	40.68	43.68	40.68	43.44
785	NASDAQ	ATEC	Thu, Jul 23, 2009	42.48	42.48	38.88	41.04
784	NASDAQ	ATEC	Wed, Jul 22, 2009	38.88	39.84	38.16	38.88
783	NASDAQ	ATEC	Tue, Jul 21, 2009	42.84	42.84	38.16	39.00
782	NASDAQ	ATEC	Mon, Jul 20, 2009	43.20	43.56	41.40	42.72
781	NASDAQ	ATEC	Fri, Jul 17, 2009	43.80	43.80	42.24	42.84
780	NASDAQ	ATEC	Thu, Jul 16, 2009	43.08	43.68	41.76	43.68
779	NASDAQ	ATEC	Wed, Jul 15, 2009	41.76	43.44	40.20	43.44
778	NASDAQ	ATEC	Tue, Jul 14, 2009	39.96	41.40	39.96	40.92
777	NASDAQ	ATEC	Mon, Jul 13, 2009	35.88	40.08	35.40	40.08
776	NASDAQ	ATEC	Fri, Jul 10, 2009	36.00	36.00	35.40	35.64
775	NASDAQ	ATEC	Thu, Jul 9, 2009	36.60	36.96	35.40	35.76
774	NASDAQ	ATEC	Wed, Jul 8, 2009	36.24	36.84	35.40	36.24
773	NASDAQ	ATEC	Tue, Jul 7, 2009	38.64	38.64	35.88	35.88
772	NASDAQ	ATEC	Mon, Jul 6, 2009	39.60	39.84	36.84	38.52
771	NASDAQ	ATEC	Thu, Jul 2, 2009	40.80	41.88	39.60	39.72
770	NASDAQ	ATEC	Wed, Jul 1, 2009	40.32	41.28	39.24	40.92
769	NASDAQ	ATEC	Tue, Jun 30, 2009	39.84	41.88	39.36	39.84
768	NASDAQ	ATEC	Mon, Jun 29, 2009	38.88	41.03	37.44	39.72
767	NASDAQ	ATEC	Fri, Jun 26, 2009	36.60	45.96	35.88	39.60
766	NASDAQ	ATEC	Thu, Jun 25, 2009	34.92	36.72	34.80	36.12
765	NASDAQ	ATEC	Wed, Jun 24, 2009	36.12	37.20	33.60	35.04
764	NASDAQ	ATEC	Tue, Jun 23, 2009	37.20	37.20	35.64	35.88
763	NASDAQ	ATEC	Mon, Jun 22, 2009	37.32	38.15	35.88	35.88
762	NASDAQ	ATEC	Fri, Jun 19, 2009	36.72	37.80	36.00	37.80
761	NASDAQ	ATEC	Thu, Jun 18, 2009	35.76	36.96	35.40	35.88
760	NASDAQ	ATEC	Wed, Jun 17, 2009	33.84	36.00	33.24	35.88
759	NASDAQ	ATEC	Tue, Jun 16, 2009	36.96	36.96	32.88	33.96
758	NASDAQ	ATEC	Mon, Jun 15, 2009	38.76	38.76	34.80	35.88
757	NASDAQ	ATEC	Fri, Jun 12, 2009	37.80	38.76	36.72	38.40
756	NASDAQ	ATEC	Thu, Jun 11, 2009	37.68	40.20	36.59	38.16
755	NASDAQ	ATEC	Wed, Jun 10, 2009	33.72	36.96	33.12	36.00
754	NASDAQ	ATEC	Tue, Jun 9, 2009	32.64	35.04	32.64	33.48
753	NASDAQ	ATEC	Mon, Jun 8, 2009	32.40	32.40	31.20	31.68
752	NASDAQ	ATEC	Fri, Jun 5, 2009	30.96	33.72	29.28	32.04
751	NASDAQ	ATEC	Thu, Jun 4, 2009	29.52	33.12	29.52	30.60
750	NASDAQ	ATEC	Wed, Jun 3, 2009	30.48	30.48	28.56	30.00
749	NASDAQ	ATEC	Tue, Jun 2, 2009	28.44	30.60	27.60	30.60
748	NASDAQ	ATEC	Mon, Jun 1, 2009	27.36	29.04	26.28	28.68
747	NASDAQ	ATEC	Fri, May 29, 2009	26.40	27.00	25.44	26.40
746	NASDAQ	ATEC	Thu, May 28, 2009	26.40	26.40	24.96	25.68
745	NASDAQ	ATEC	Wed, May 27, 2009	25.80	27.12	24.24	26.40
744	NASDAQ	ATEC	Tue, May 26, 2009	24.12	27.72	23.64	26.76
743	NASDAQ	ATEC	Fri, May 22, 2009	24.12	24.72	23.76	24.36
742	NASDAQ	ATEC	Thu, May 21, 2009	24.24	24.24	23.40	24.00
741	NASDAQ	ATEC	Wed, May 20, 2009	24.60	24.72	24.12	24.72
740	NASDAQ	ATEC	Tue, May 19, 2009	23.64	24.72	23.04	24.48
739	NASDAQ	ATEC	Mon, May 18, 2009	24.24	24.60	22.92	24.36
738	NASDAQ	ATEC	Fri, May 15, 2009	24.24	24.24	22.80	23.28
737	NASDAQ	ATEC	Thu, May 14, 2009	24.72	25.44	23.52	23.76
736	NASDAQ	ATEC	Wed, May 13, 2009	24.00	26.52	23.16	24.48
735	NASDAQ	ATEC	Tue, May 12, 2009	27.48	27.48	22.08	24.36
734	NASDAQ	ATEC	Mon, May 11, 2009	28.08	28.08	25.92	26.04
733	NASDAQ	ATEC	Fri, May 8, 2009	27.00	28.68	27.00	28.56
732	NASDAQ	ATEC	Thu, May 7, 2009	26.52	28.32	25.32	26.52
731	NASDAQ	ATEC	Wed, May 6, 2009	27.84	27.96	26.40	26.64
730	NASDAQ	ATEC	Tue, May 5, 2009	27.60	32.16	26.88	27.00
729	NASDAQ	ATEC	Mon, May 4, 2009	24.48	28.80	24.48	28.44
728	NASDAQ	ATEC	Fri, May 1, 2009	24.60	24.96	23.88	24.12
727	NASDAQ	ATEC	Thu, Apr 30, 2009	24.72	25.99	24.12	24.60
726	NASDAQ	ATEC	Wed, Apr 29, 2009	23.88	25.20	23.88	24.60
725	NASDAQ	ATEC	Tue, Apr 28, 2009	22.20	24.36	22.20	23.40
724	NASDAQ	ATEC	Mon, Apr 27, 2009	19.92	22.20	19.20	21.72
723	NASDAQ	ATEC	Fri, Apr 24, 2009	20.52	20.52	20.04	20.28
722	NASDAQ	ATEC	Thu, Apr 23, 2009	19.56	21.00	19.20	19.32
721	NASDAQ	ATEC	Wed, Apr 22, 2009	19.56	20.88	19.08	19.56
720	NASDAQ	ATEC	Tue, Apr 21, 2009	18.84	21.00	18.84	19.80
719	NASDAQ	ATEC	Mon, Apr 20, 2009	21.24	22.20	18.00	18.48
718	NASDAQ	ATEC	Fri, Apr 17, 2009	22.56	22.56	21.60	21.84
717	NASDAQ	ATEC	Thu, Apr 16, 2009	24.00	24.48	22.32	22.44
716	NASDAQ	ATEC	Wed, Apr 15, 2009	23.40	23.76	21.72	23.76
715	NASDAQ	ATEC	Tue, Apr 14, 2009	24.60	26.28	23.28	23.28
714	NASDAQ	ATEC	Mon, Apr 13, 2009	22.92	25.08	21.96	25.08
713	NASDAQ	ATEC	Thu, Apr 9, 2009	23.88	24.00	22.44	23.28
712	NASDAQ	ATEC	Wed, Apr 8, 2009	23.52	24.00	22.68	23.28
711	NASDAQ	ATEC	Tue, Apr 7, 2009	22.56	23.16	22.56	22.68
710	NASDAQ	ATEC	Mon, Apr 6, 2009	21.60	23.04	21.60	22.92
709	NASDAQ	ATEC	Fri, Apr 3, 2009	23.40	23.40	21.36	22.08
708	NASDAQ	ATEC	Thu, Apr 2, 2009	23.88	26.52	23.28	23.76
707	NASDAQ	ATEC	Wed, Apr 1, 2009	20.76	24.12	20.28	23.40
706	NASDAQ	ATEC	Tue, Mar 31, 2009	20.76	21.60	20.40	21.24
705	NASDAQ	ATEC	Mon, Mar 30, 2009	19.44	21.24	19.44	20.52
704	NASDAQ	ATEC	Fri, Mar 27, 2009	21.00	21.72	19.32	20.04
703	NASDAQ	ATEC	Thu, Mar 26, 2009	20.76	22.44	20.64	21.48
702	NASDAQ	ATEC	Wed, Mar 25, 2009	17.04	20.52	15.96	20.40
701	NASDAQ	ATEC	Tue, Mar 24, 2009	16.56	18.60	15.36	16.92
700	NASDAQ	ATEC	Mon, Mar 23, 2009	14.40	16.80	14.40	16.80
699	NASDAQ	ATEC	Fri, Mar 20, 2009	15.24	15.65	13.80	13.92
698	NASDAQ	ATEC	Thu, Mar 19, 2009	14.28	15.24	14.16	15.00
697	NASDAQ	ATEC	Wed, Mar 18, 2009	14.04	15.24	13.56	14.16
696	NASDAQ	ATEC	Tue, Mar 17, 2009	14.15	17.28	13.44	14.04
695	NASDAQ	ATEC	Mon, Mar 16, 2009	14.88	15.96	13.44	13.68
694	NASDAQ	ATEC	Fri, Mar 13, 2009	14.04	15.36	14.04	14.28
693	NASDAQ	ATEC	Thu, Mar 12, 2009	13.92	14.64	13.32	13.80
692	NASDAQ	ATEC	Wed, Mar 11, 2009	14.76	17.16	13.81	14.04
691	NASDAQ	ATEC	Tue, Mar 10, 2009	14.64	15.00	13.44	14.16
690	NASDAQ	ATEC	Mon, Mar 9, 2009	15.60	15.84	14.16	14.16
689	NASDAQ	ATEC	Fri, Mar 6, 2009	14.64	15.61	13.80	15.36
688	NASDAQ	ATEC	Thu, Mar 5, 2009	17.64	17.89	13.20	13.80
687	NASDAQ	ATEC	Wed, Mar 4, 2009	20.76	21.24	17.52	17.64
686	NASDAQ	ATEC	Tue, Mar 3, 2009	17.88	21.24	17.76	20.40
685	NASDAQ	ATEC	Mon, Mar 2, 2009	19.92	21.84	17.52	17.52
684	NASDAQ	ATEC	Fri, Feb 27, 2009	20.16	31.80	19.92	19.92
683	NASDAQ	ATEC	Thu, Feb 26, 2009	22.08	23.04	20.16	20.64
682	NASDAQ	ATEC	Wed, Feb 25, 2009	23.40	23.64	21.00	21.84
681	NASDAQ	ATEC	Tue, Feb 24, 2009	23.40	26.52	22.32	23.76
680	NASDAQ	ATEC	Mon, Feb 23, 2009	25.32	25.32	23.04	23.04
679	NASDAQ	ATEC	Fri, Feb 20, 2009	25.80	27.84	24.96	25.20
678	NASDAQ	ATEC	Thu, Feb 19, 2009	26.04	26.28	25.80	25.80
677	NASDAQ	ATEC	Wed, Feb 18, 2009	26.04	26.76	25.68	25.68
676	NASDAQ	ATEC	Tue, Feb 17, 2009	25.44	26.40	25.44	25.92
675	NASDAQ	ATEC	Fri, Feb 13, 2009	26.16	26.16	25.80	25.92
674	NASDAQ	ATEC	Thu, Feb 12, 2009	27.00	27.00	25.80	26.04
673	NASDAQ	ATEC	Wed, Feb 11, 2009	26.76	26.76	26.40	26.52
672	NASDAQ	ATEC	Tue, Feb 10, 2009	27.36	28.80	26.52	26.52
671	NASDAQ	ATEC	Mon, Feb 9, 2009	28.20	28.20	27.00	27.48
670	NASDAQ	ATEC	Fri, Feb 6, 2009	27.48	28.80	27.48	28.44
669	NASDAQ	ATEC	Thu, Feb 5, 2009	28.20	28.20	27.00	27.72
668	NASDAQ	ATEC	Wed, Feb 4, 2009	30.00	30.00	27.84	28.20
667	NASDAQ	ATEC	Tue, Feb 3, 2009	29.04	31.20	27.12	29.76
666	NASDAQ	ATEC	Mon, Feb 2, 2009	26.28	29.52	26.16	28.68
665	NASDAQ	ATEC	Fri, Jan 30, 2009	27.24	28.92	26.04	26.04
664	NASDAQ	ATEC	Thu, Jan 29, 2009	28.44	28.80	27.00	27.00
663	NASDAQ	ATEC	Wed, Jan 28, 2009	26.40	36.72	25.32	28.92
662	NASDAQ	ATEC	Tue, Jan 27, 2009	28.32	30.60	24.00	25.20
661	NASDAQ	ATEC	Mon, Jan 26, 2009	28.08	28.80	27.60	28.32
660	NASDAQ	ATEC	Fri, Jan 23, 2009	28.32	28.80	27.36	27.48
659	NASDAQ	ATEC	Thu, Jan 22, 2009	30.24	30.24	28.20	29.16
658	NASDAQ	ATEC	Wed, Jan 21, 2009	30.00	31.92	26.88	30.96
657	NASDAQ	ATEC	Tue, Jan 20, 2009	33.24	33.60	28.80	28.80
656	NASDAQ	ATEC	Fri, Jan 16, 2009	33.24	34.44	31.80	33.84
655	NASDAQ	ATEC	Thu, Jan 15, 2009	33.00	33.81	31.44	33.00
654	NASDAQ	ATEC	Wed, Jan 14, 2009	33.72	36.00	32.76	33.00
653	NASDAQ	ATEC	Tue, Jan 13, 2009	33.00	38.16	33.00	33.72
652	NASDAQ	ATEC	Mon, Jan 12, 2009	33.00	34.68	32.76	32.76
651	NASDAQ	ATEC	Fri, Jan 9, 2009	36.00	36.12	32.28	32.28
650	NASDAQ	ATEC	Thu, Jan 8, 2009	34.08	36.72	33.12	36.24
649	NASDAQ	ATEC	Wed, Jan 7, 2009	31.92	32.76	30.60	31.80
648	NASDAQ	ATEC	Tue, Jan 6, 2009	32.04	33.12	31.92	32.40
647	NASDAQ	ATEC	Mon, Jan 5, 2009	30.72	31.80	30.72	31.80
646	NASDAQ	ATEC	Fri, Jan 2, 2009	28.20	30.72	27.96	29.64
645	NASDAQ	ATEC	Wed, Dec 31, 2008	28.20	37.20	26.88	28.20
644	NASDAQ	ATEC	Tue, Dec 30, 2008	28.32	28.92	25.80	27.36
643	NASDAQ	ATEC	Mon, Dec 29, 2008	29.52	30.96	27.00	28.08
642	NASDAQ	ATEC	Fri, Dec 26, 2008	30.00	30.72	28.56	29.52
641	NASDAQ	ATEC	Wed, Dec 24, 2008	29.52	30.24	29.22	30.24
640	NASDAQ	ATEC	Tue, Dec 23, 2008	30.12	30.60	29.28	29.52
639	NASDAQ	ATEC	Mon, Dec 22, 2008	28.08	31.68	26.16	30.00
638	NASDAQ	ATEC	Fri, Dec 19, 2008	34.68	34.92	29.64	31.32
637	NASDAQ	ATEC	Thu, Dec 18, 2008	34.44	34.68	32.88	33.00
636	NASDAQ	ATEC	Wed, Dec 17, 2008	34.68	34.80	33.60	34.08
635	NASDAQ	ATEC	Tue, Dec 16, 2008	35.28	36.00	34.68	35.04
634	NASDAQ	ATEC	Mon, Dec 15, 2008	33.48	36.12	32.76	34.68
633	NASDAQ	ATEC	Fri, Dec 12, 2008	33.60	33.60	31.32	33.48
632	NASDAQ	ATEC	Thu, Dec 11, 2008	35.64	36.24	33.96	33.96
631	NASDAQ	ATEC	Wed, Dec 10, 2008	31.80	38.16	31.80	35.28
630	NASDAQ	ATEC	Tue, Dec 9, 2008	29.76	32.40	29.40	30.96
629	NASDAQ	ATEC	Mon, Dec 8, 2008	29.76	33.00	29.40	30.00
628	NASDAQ	ATEC	Fri, Dec 5, 2008	21.96	29.88	21.60	29.28
627	NASDAQ	ATEC	Thu, Dec 4, 2008	20.88	23.64	20.40	22.20
626	NASDAQ	ATEC	Wed, Dec 3, 2008	21.12	21.12	19.44	20.28
625	NASDAQ	ATEC	Tue, Dec 2, 2008	22.80	24.00	19.92	20.40
624	NASDAQ	ATEC	Mon, Dec 1, 2008	23.52	23.52	18.12	18.12
623	NASDAQ	ATEC	Fri, Nov 28, 2008	24.48	24.96	22.80	23.88
622	NASDAQ	ATEC	Wed, Nov 26, 2008	22.08	24.96	20.76	24.60
621	NASDAQ	ATEC	Tue, Nov 25, 2008	23.16	23.52	21.36	22.56
620	NASDAQ	ATEC	Mon, Nov 24, 2008	22.80	23.76	22.08	22.92
619	NASDAQ	ATEC	Fri, Nov 21, 2008	22.32	24.12	20.76	22.20
618	NASDAQ	ATEC	Thu, Nov 20, 2008	23.16	25.80	22.68	23.88
617	NASDAQ	ATEC	Wed, Nov 19, 2008	26.40	30.24	23.28	23.28
616	NASDAQ	ATEC	Tue, Nov 18, 2008	31.80	31.80	24.00	25.68
615	NASDAQ	ATEC	Mon, Nov 17, 2008	33.00	33.72	30.96	30.96
614	NASDAQ	ATEC	Fri, Nov 14, 2008	37.92	39.96	32.88	32.88
613	NASDAQ	ATEC	Thu, Nov 13, 2008	34.56	38.28	31.80	38.16
612	NASDAQ	ATEC	Wed, Nov 12, 2008	38.52	38.76	34.32	34.44
611	NASDAQ	ATEC	Tue, Nov 11, 2008	42.00	43.08	36.00	39.00
610	NASDAQ	ATEC	Mon, Nov 10, 2008	48.00	48.00	42.24	42.24
609	NASDAQ	ATEC	Fri, Nov 7, 2008	41.64	42.96	40.32	42.24
608	NASDAQ	ATEC	Thu, Nov 6, 2008	37.44	44.64	33.00	41.28
607	NASDAQ	ATEC	Wed, Nov 5, 2008	42.60	45.12	36.24	36.96
606	NASDAQ	ATEC	Tue, Nov 4, 2008	46.80	46.80	41.40	42.96
605	NASDAQ	ATEC	Mon, Nov 3, 2008	48.36	51.72	44.64	45.96
604	NASDAQ	ATEC	Fri, Oct 31, 2008	42.96	47.52	38.52	47.16
603	NASDAQ	ATEC	Thu, Oct 30, 2008	48.00	48.00	40.92	43.08
602	NASDAQ	ATEC	Wed, Oct 29, 2008	48.36	48.48	45.12	47.16
601	NASDAQ	ATEC	Tue, Oct 28, 2008	48.84	48.84	45.00	48.00
600	NASDAQ	ATEC	Mon, Oct 27, 2008	53.52	53.52	48.36	48.36
599	NASDAQ	ATEC	Fri, Oct 24, 2008	48.36	54.24	48.36	53.88
598	NASDAQ	ATEC	Thu, Oct 23, 2008	50.52	52.56	48.24	51.60
597	NASDAQ	ATEC	Wed, Oct 22, 2008	49.20	54.72	49.20	49.56
596	NASDAQ	ATEC	Tue, Oct 21, 2008	55.68	57.96	50.88	51.60
595	NASDAQ	ATEC	Mon, Oct 20, 2008	57.84	57.84	55.32	56.40
594	NASDAQ	ATEC	Fri, Oct 17, 2008	52.08	57.60	51.48	56.40
593	NASDAQ	ATEC	Thu, Oct 16, 2008	48.96	58.08	48.60	58.08
592	NASDAQ	ATEC	Wed, Oct 15, 2008	57.12	58.08	48.00	48.60
591	NASDAQ	ATEC	Tue, Oct 14, 2008	58.08	58.32	49.92	58.08
590	NASDAQ	ATEC	Mon, Oct 13, 2008	56.28	60.00	55.68	60.00
589	NASDAQ	ATEC	Fri, Oct 10, 2008	46.68	56.28	42.12	56.28
588	NASDAQ	ATEC	Thu, Oct 9, 2008	53.28	53.28	46.80	48.00
587	NASDAQ	ATEC	Wed, Oct 8, 2008	48.72	56.28	46.80	52.56
586	NASDAQ	ATEC	Tue, Oct 7, 2008	54.84	56.28	49.92	49.92
585	NASDAQ	ATEC	Mon, Oct 6, 2008	51.36	57.24	48.12	54.24
584	NASDAQ	ATEC	Fri, Oct 3, 2008	52.20	55.44	50.76	51.96
583	NASDAQ	ATEC	Thu, Oct 2, 2008	51.12	54.60	49.32	51.60
582	NASDAQ	ATEC	Wed, Oct 1, 2008	54.84	57.48	49.32	51.48
581	NASDAQ	ATEC	Tue, Sep 30, 2008	51.48	57.48	51.48	55.20
580	NASDAQ	ATEC	Mon, Sep 29, 2008	57.48	57.60	48.48	50.88
579	NASDAQ	ATEC	Fri, Sep 26, 2008	52.80	57.60	51.00	57.48
578	NASDAQ	ATEC	Thu, Sep 25, 2008	51.00	54.00	50.88	52.92
577	NASDAQ	ATEC	Wed, Sep 24, 2008	53.40	53.40	50.64	50.88
576	NASDAQ	ATEC	Tue, Sep 23, 2008	53.88	55.68	53.28	53.64
575	NASDAQ	ATEC	Mon, Sep 22, 2008	53.64	57.48	53.04	54.00
574	NASDAQ	ATEC	Fri, Sep 19, 2008	58.56	58.56	51.60	54.12
573	NASDAQ	ATEC	Thu, Sep 18, 2008	47.76	55.68	47.28	55.20
572	NASDAQ	ATEC	Wed, Sep 17, 2008	50.40	51.84	46.32	46.32
571	NASDAQ	ATEC	Tue, Sep 16, 2008	47.04	51.72	47.04	51.72
570	NASDAQ	ATEC	Mon, Sep 15, 2008	49.92	61.20	48.72	52.32
569	NASDAQ	ATEC	Fri, Sep 12, 2008	49.44	52.20	46.32	51.00
568	NASDAQ	ATEC	Thu, Sep 11, 2008	51.84	53.40	49.80	52.92
567	NASDAQ	ATEC	Wed, Sep 10, 2008	56.28	56.88	52.08	52.56
566	NASDAQ	ATEC	Tue, Sep 9, 2008	57.60	57.60	54.48	54.84
565	NASDAQ	ATEC	Mon, Sep 8, 2008	56.88	57.60	52.56	57.12
564	NASDAQ	ATEC	Fri, Sep 5, 2008	54.12	56.28	50.04	56.28
563	NASDAQ	ATEC	Thu, Sep 4, 2008	55.44	55.68	52.20	52.20
562	NASDAQ	ATEC	Wed, Sep 3, 2008	54.72	56.04	54.00	55.68
561	NASDAQ	ATEC	Tue, Sep 2, 2008	59.16	59.16	54.00	54.60
560	NASDAQ	ATEC	Fri, Aug 29, 2008	59.76	59.76	55.32	57.48
559	NASDAQ	ATEC	Thu, Aug 28, 2008	58.56	60.12	56.28	60.12
558	NASDAQ	ATEC	Wed, Aug 27, 2008	55.20	58.80	55.20	58.56
557	NASDAQ	ATEC	Tue, Aug 26, 2008	55.92	58.08	53.88	54.84
556	NASDAQ	ATEC	Mon, Aug 25, 2008	58.32	58.68	55.20	56.04
555	NASDAQ	ATEC	Fri, Aug 22, 2008	59.40	59.40	58.08	58.68
554	NASDAQ	ATEC	Thu, Aug 21, 2008	59.64	60.12	58.20	59.28
553	NASDAQ	ATEC	Wed, Aug 20, 2008	59.88	60.00	59.40	59.88
552	NASDAQ	ATEC	Tue, Aug 19, 2008	59.40	60.00	59.40	59.88
551	NASDAQ	ATEC	Mon, Aug 18, 2008	60.00	60.36	59.52	60.24
550	NASDAQ	ATEC	Fri, Aug 15, 2008	60.36	60.60	58.80	59.88
549	NASDAQ	ATEC	Thu, Aug 14, 2008	59.40	60.60	59.40	60.12
548	NASDAQ	ATEC	Wed, Aug 13, 2008	60.12	60.60	59.40	60.24
547	NASDAQ	ATEC	Tue, Aug 12, 2008	60.00	60.60	57.84	60.60
546	NASDAQ	ATEC	Mon, Aug 11, 2008	60.00	61.80	59.40	60.48
545	NASDAQ	ATEC	Fri, Aug 8, 2008	58.56	60.00	58.08	60.00
544	NASDAQ	ATEC	Thu, Aug 7, 2008	57.24	59.88	57.24	58.32
543	NASDAQ	ATEC	Wed, Aug 6, 2008	56.40	60.00	54.53	58.32
542	NASDAQ	ATEC	Tue, Aug 5, 2008	58.80	59.64	56.76	56.88
541	NASDAQ	ATEC	Mon, Aug 4, 2008	57.00	60.12	54.12	59.64
540	NASDAQ	ATEC	Fri, Aug 1, 2008	56.28	59.88	56.16	57.12
539	NASDAQ	ATEC	Thu, Jul 31, 2008	56.04	58.56	54.96	57.36
538	NASDAQ	ATEC	Wed, Jul 30, 2008	55.80	58.32	55.68	57.48
537	NASDAQ	ATEC	Tue, Jul 29, 2008	52.20	55.20	52.20	54.84
536	NASDAQ	ATEC	Mon, Jul 28, 2008	53.76	54.00	52.08	52.20
535	NASDAQ	ATEC	Fri, Jul 25, 2008	53.04	54.36	53.04	54.00
534	NASDAQ	ATEC	Thu, Jul 24, 2008	53.88	55.16	53.04	54.00
533	NASDAQ	ATEC	Wed, Jul 23, 2008	54.00	55.20	52.32	53.52
532	NASDAQ	ATEC	Tue, Jul 22, 2008	53.64	55.80	46.20	54.00
531	NASDAQ	ATEC	Mon, Jul 21, 2008	53.04	55.20	53.04	54.00
530	NASDAQ	ATEC	Fri, Jul 18, 2008	54.00	54.48	52.80	53.28
529	NASDAQ	ATEC	Thu, Jul 17, 2008	53.76	54.00	52.56	54.00
528	NASDAQ	ATEC	Wed, Jul 16, 2008	48.36	54.24	47.16	53.28
527	NASDAQ	ATEC	Tue, Jul 15, 2008	46.80	48.00	45.00	47.76
526	NASDAQ	ATEC	Mon, Jul 14, 2008	52.68	52.68	45.12	47.40
525	NASDAQ	ATEC	Fri, Jul 11, 2008	47.16	52.20	47.16	51.72
524	NASDAQ	ATEC	Thu, Jul 10, 2008	46.32	49.56	43.92	47.76
523	NASDAQ	ATEC	Wed, Jul 9, 2008	45.48	47.88	45.00	46.44
522	NASDAQ	ATEC	Tue, Jul 8, 2008	41.40	45.48	41.40	45.36
521	NASDAQ	ATEC	Mon, Jul 7, 2008	46.56	46.56	40.92	40.92
520	NASDAQ	ATEC	Thu, Jul 3, 2008	46.92	46.92	44.64	46.44
519	NASDAQ	ATEC	Wed, Jul 2, 2008	47.88	51.96	45.60	46.92
518	NASDAQ	ATEC	Tue, Jul 1, 2008	48.36	49.20	45.60	46.92
517	NASDAQ	ATEC	Mon, Jun 30, 2008	50.88	55.68	48.36	48.96
516	NASDAQ	ATEC	Fri, Jun 27, 2008	50.40	54.24	48.60	49.20
515	NASDAQ	ATEC	Thu, Jun 26, 2008	50.76	51.84	50.04	51.00
514	NASDAQ	ATEC	Wed, Jun 25, 2008	51.96	51.96	50.04	51.12
513	NASDAQ	ATEC	Tue, Jun 24, 2008	49.80	52.68	49.32	52.20
512	NASDAQ	ATEC	Mon, Jun 23, 2008	51.60	52.44	50.04	51.60
511	NASDAQ	ATEC	Fri, Jun 20, 2008	52.44	52.80	52.20	52.44
510	NASDAQ	ATEC	Thu, Jun 19, 2008	52.80	53.64	52.20	52.44
509	NASDAQ	ATEC	Wed, Jun 18, 2008	55.80	55.80	53.16	53.88
508	NASDAQ	ATEC	Tue, Jun 17, 2008	55.56	55.92	54.48	55.92
507	NASDAQ	ATEC	Mon, Jun 16, 2008	52.80	55.56	52.32	55.56
506	NASDAQ	ATEC	Fri, Jun 13, 2008	53.40	55.20	52.32	54.72
505	NASDAQ	ATEC	Thu, Jun 12, 2008	54.72	58.80	51.96	52.80
504	NASDAQ	ATEC	Wed, Jun 11, 2008	54.60	54.60	52.20	53.28
503	NASDAQ	ATEC	Tue, Jun 10, 2008	53.64	54.00	52.44	54.00
502	NASDAQ	ATEC	Mon, Jun 9, 2008	53.52	54.00	52.80	52.92
501	NASDAQ	ATEC	Fri, Jun 6, 2008	58.20	59.76	54.24	54.24
500	NASDAQ	ATEC	Thu, Jun 5, 2008	54.00	59.88	51.36	59.88
499	NASDAQ	ATEC	Wed, Jun 4, 2008	58.68	58.68	55.20	55.32
498	NASDAQ	ATEC	Tue, Jun 3, 2008	60.12	60.12	57.60	58.44
497	NASDAQ	ATEC	Mon, Jun 2, 2008	60.12	60.36	58.56	59.75
496	NASDAQ	ATEC	Fri, May 30, 2008	59.64	60.00	58.20	59.76
495	NASDAQ	ATEC	Thu, May 29, 2008	59.52	60.36	59.52	60.12
494	NASDAQ	ATEC	Wed, May 28, 2008	58.68	60.36	58.20	59.88
493	NASDAQ	ATEC	Tue, May 27, 2008	59.88	61.44	59.52	61.32
492	NASDAQ	ATEC	Fri, May 23, 2008	59.76	60.00	59.52	60.00
491	NASDAQ	ATEC	Thu, May 22, 2008	59.64	60.00	58.80	59.76
490	NASDAQ	ATEC	Wed, May 21, 2008	59.76	60.00	56.76	60.00
489	NASDAQ	ATEC	Tue, May 20, 2008	58.20	60.00	58.20	59.40
488	NASDAQ	ATEC	Mon, May 19, 2008	58.80	61.20	57.00	58.08
487	NASDAQ	ATEC	Fri, May 16, 2008	58.20	58.56	57.36	58.56
486	NASDAQ	ATEC	Thu, May 15, 2008	57.96	58.44	57.00	58.00
485	NASDAQ	ATEC	Wed, May 14, 2008	58.68	59.28	57.12	58.44
484	NASDAQ	ATEC	Tue, May 13, 2008	59.88	60.48	59.52	60.12
483	NASDAQ	ATEC	Mon, May 12, 2008	59.64	61.80	57.72	61.08
482	NASDAQ	ATEC	Fri, May 9, 2008	57.00	60.48	55.44	60.36
481	NASDAQ	ATEC	Thu, May 8, 2008	57.12	61.20	54.00	59.28
480	NASDAQ	ATEC	Wed, May 7, 2008	60.12	61.44	57.36	59.40
479	NASDAQ	ATEC	Tue, May 6, 2008	56.28	60.12	56.28	59.40
478	NASDAQ	ATEC	Mon, May 5, 2008	58.92	60.60	57.00	57.12
477	NASDAQ	ATEC	Fri, May 2, 2008	59.16	59.76	56.88	58.20
476	NASDAQ	ATEC	Thu, May 1, 2008	58.44	60.00	58.32	59.52
475	NASDAQ	ATEC	Wed, Apr 30, 2008	60.48	61.08	57.36	57.96
474	NASDAQ	ATEC	Tue, Apr 29, 2008	57.84	62.40	57.84	60.84
473	NASDAQ	ATEC	Mon, Apr 28, 2008	59.85	60.24	58.20	58.20
472	NASDAQ	ATEC	Fri, Apr 25, 2008	63.12	63.12	57.12	59.40
471	NASDAQ	ATEC	Thu, Apr 24, 2008	63.00	63.96	62.28	63.72
470	NASDAQ	ATEC	Wed, Apr 23, 2008	60.24	64.56	59.16	62.64
469	NASDAQ	ATEC	Tue, Apr 22, 2008	58.44	60.00	58.20	59.04
468	NASDAQ	ATEC	Mon, Apr 21, 2008	61.56	61.80	58.08	58.20
467	NASDAQ	ATEC	Fri, Apr 18, 2008	59.76	60.84	57.00	58.92
466	NASDAQ	ATEC	Thu, Apr 17, 2008	58.20	58.68	56.76	57.72
465	NASDAQ	ATEC	Wed, Apr 16, 2008	57.00	57.96	56.88	57.60
464	NASDAQ	ATEC	Tue, Apr 15, 2008	57.60	58.20	56.16	57.24
463	NASDAQ	ATEC	Mon, Apr 14, 2008	59.52	61.68	57.48	57.72
462	NASDAQ	ATEC	Fri, Apr 11, 2008	60.48	62.88	58.80	59.16
461	NASDAQ	ATEC	Thu, Apr 10, 2008	60.36	61.80	60.12	61.68
460	NASDAQ	ATEC	Wed, Apr 9, 2008	62.64	63.00	60.24	60.36
459	NASDAQ	ATEC	Tue, Apr 8, 2008	62.28	63.00	62.28	62.88
458	NASDAQ	ATEC	Mon, Apr 7, 2008	66.24	66.96	62.88	63.00
457	NASDAQ	ATEC	Fri, Apr 4, 2008	62.88	66.12	62.76	66.12
456	NASDAQ	ATEC	Thu, Apr 3, 2008	58.80	63.00	58.80	62.04
455	NASDAQ	ATEC	Wed, Apr 2, 2008	59.40	62.64	58.56	58.80
454	NASDAQ	ATEC	Tue, Apr 1, 2008	60.60	62.52	57.72	62.40
453	NASDAQ	ATEC	Mon, Mar 31, 2008	61.80	61.80	59.40	60.24
452	NASDAQ	ATEC	Fri, Mar 28, 2008	61.20	62.04	59.04	60.36
451	NASDAQ	ATEC	Thu, Mar 27, 2008	54.00	59.88	54.00	59.88
450	NASDAQ	ATEC	Wed, Mar 26, 2008	56.40	59.88	54.60	55.68
449	NASDAQ	ATEC	Tue, Mar 25, 2008	55.20	58.32	55.20	55.92
448	NASDAQ	ATEC	Mon, Mar 24, 2008	54.60	55.68	54.48	54.84
447	NASDAQ	ATEC	Thu, Mar 20, 2008	57.00	58.32	54.12	55.20
446	NASDAQ	ATEC	Wed, Mar 19, 2008	57.72	58.68	54.60	56.88
445	NASDAQ	ATEC	Tue, Mar 18, 2008	60.12	61.32	57.84	58.80
444	NASDAQ	ATEC	Mon, Mar 17, 2008	60.00	60.60	57.00	60.48
443	NASDAQ	ATEC	Fri, Mar 14, 2008	60.96	63.24	57.00	60.12
442	NASDAQ	ATEC	Thu, Mar 13, 2008	60.60	60.60	58.92	60.24
441	NASDAQ	ATEC	Wed, Mar 12, 2008	60.60	61.08	58.20	60.60
440	NASDAQ	ATEC	Tue, Mar 11, 2008	63.60	63.60	58.80	61.20
439	NASDAQ	ATEC	Mon, Mar 10, 2008	65.88	65.88	63.36	63.60
438	NASDAQ	ATEC	Fri, Mar 7, 2008	64.80	65.76	60.12	64.32
437	NASDAQ	ATEC	Thu, Mar 6, 2008	68.04	68.04	64.80	65.88
436	NASDAQ	ATEC	Wed, Mar 5, 2008	66.00	69.00	66.00	67.56
435	NASDAQ	ATEC	Tue, Mar 4, 2008	68.40	69.00	66.00	66.48
434	NASDAQ	ATEC	Mon, Mar 3, 2008	67.92	69.00	66.72	68.40
433	NASDAQ	ATEC	Fri, Feb 29, 2008	69.84	72.00	69.00	69.36
432	NASDAQ	ATEC	Thu, Feb 28, 2008	71.04	72.12	67.20	69.72
431	NASDAQ	ATEC	Wed, Feb 27, 2008	71.76	72.24	70.08	70.49
430	NASDAQ	ATEC	Tue, Feb 26, 2008	70.80	71.64	69.60	71.40
429	NASDAQ	ATEC	Mon, Feb 25, 2008	71.40	73.20	69.72	70.80
428	NASDAQ	ATEC	Fri, Feb 22, 2008	72.84	73.20	67.20	72.12
427	NASDAQ	ATEC	Thu, Feb 21, 2008	73.08	75.48	71.88	72.24
426	NASDAQ	ATEC	Wed, Feb 20, 2008	77.28	77.40	67.20	73.08
425	NASDAQ	ATEC	Tue, Feb 19, 2008	75.96	78.36	75.00	77.28
424	NASDAQ	ATEC	Fri, Feb 15, 2008	72.36	75.48	72.36	74.52
423	NASDAQ	ATEC	Thu, Feb 14, 2008	72.24	75.24	71.40	73.32
422	NASDAQ	ATEC	Wed, Feb 13, 2008	73.44	73.44	72.36	72.60
421	NASDAQ	ATEC	Tue, Feb 12, 2008	65.88	73.44	65.76	72.12
420	NASDAQ	ATEC	Mon, Feb 11, 2008	71.28	73.20	69.72	72.48
419	NASDAQ	ATEC	Fri, Feb 8, 2008	68.16	71.88	68.16	70.44
418	NASDAQ	ATEC	Thu, Feb 7, 2008	64.80	69.00	63.12	67.44
417	NASDAQ	ATEC	Wed, Feb 6, 2008	63.00	63.84	61.44	63.84
416	NASDAQ	ATEC	Tue, Feb 5, 2008	60.72	62.76	60.60	62.76
415	NASDAQ	ATEC	Mon, Feb 4, 2008	62.52	62.76	56.88	60.00
414	NASDAQ	ATEC	Fri, Feb 1, 2008	61.92	63.00	59.64	61.68
413	NASDAQ	ATEC	Thu, Jan 31, 2008	61.44	62.76	60.00	61.32
412	NASDAQ	ATEC	Wed, Jan 30, 2008	62.04	63.60	60.24	61.56
411	NASDAQ	ATEC	Tue, Jan 29, 2008	62.88	63.00	59.52	63.00
410	NASDAQ	ATEC	Mon, Jan 28, 2008	60.84	63.00	57.60	61.74
409	NASDAQ	ATEC	Fri, Jan 25, 2008	61.20	61.20	57.24	60.12
408	NASDAQ	ATEC	Thu, Jan 24, 2008	58.80	61.20	58.80	61.20
407	NASDAQ	ATEC	Wed, Jan 23, 2008	60.36	60.48	59.16	59.52
406	NASDAQ	ATEC	Tue, Jan 22, 2008	59.40	60.00	58.44	59.40
405	NASDAQ	ATEC	Fri, Jan 18, 2008	61.20	62.52	56.52	59.64
404	NASDAQ	ATEC	Thu, Jan 17, 2008	60.00	63.00	56.16	61.32
403	NASDAQ	ATEC	Wed, Jan 16, 2008	56.40	60.00	56.40	58.92
402	NASDAQ	ATEC	Tue, Jan 15, 2008	57.48	57.60	54.96	57.00
401	NASDAQ	ATEC	Mon, Jan 14, 2008	56.52	58.44	56.16	57.24
400	NASDAQ	ATEC	Fri, Jan 11, 2008	57.84	59.40	56.16	57.00
399	NASDAQ	ATEC	Thu, Jan 10, 2008	54.60	60.00	54.60	58.08
398	NASDAQ	ATEC	Wed, Jan 9, 2008	56.88	57.00	54.72	57.00
397	NASDAQ	ATEC	Tue, Jan 8, 2008	55.92	56.64	54.60	56.64
396	NASDAQ	ATEC	Mon, Jan 7, 2008	59.04	59.76	56.04	56.40
395	NASDAQ	ATEC	Fri, Jan 4, 2008	58.56	58.80	57.48	57.72
394	NASDAQ	ATEC	Thu, Jan 3, 2008	59.28	59.76	58.08	58.56
393	NASDAQ	ATEC	Wed, Jan 2, 2008	60.48	60.48	58.20	58.20
392	NASDAQ	ATEC	Mon, Dec 31, 2007	60.12	63.00	58.92	60.48
391	NASDAQ	ATEC	Fri, Dec 28, 2007	60.48	61.20	60.12	60.12
390	NASDAQ	ATEC	Thu, Dec 27, 2007	60.36	61.80	60.24	61.20
389	NASDAQ	ATEC	Wed, Dec 26, 2007	60.24	61.68	60.12	61.32
388	NASDAQ	ATEC	Mon, Dec 24, 2007	62.88	62.88	59.76	61.20
387	NASDAQ	ATEC	Fri, Dec 21, 2007	59.76	63.60	59.16	63.00
386	NASDAQ	ATEC	Thu, Dec 20, 2007	57.24	60.72	56.40	58.20
385	NASDAQ	ATEC	Wed, Dec 19, 2007	55.56	58.20	55.20	57.24
384	NASDAQ	ATEC	Tue, Dec 18, 2007	60.00	60.00	55.20	57.12
383	NASDAQ	ATEC	Mon, Dec 17, 2007	60.36	60.48	57.72	59.28
382	NASDAQ	ATEC	Fri, Dec 14, 2007	59.88	63.00	59.16	60.36
381	NASDAQ	ATEC	Thu, Dec 13, 2007	60.00	60.00	58.56	58.80
380	NASDAQ	ATEC	Wed, Dec 12, 2007	61.32	61.32	57.60	59.88
379	NASDAQ	ATEC	Tue, Dec 11, 2007	58.44	61.92	55.20	59.88
378	NASDAQ	ATEC	Mon, Dec 10, 2007	57.12	58.56	56.40	58.32
377	NASDAQ	ATEC	Fri, Dec 7, 2007	56.52	57.60	56.52	56.64
376	NASDAQ	ATEC	Thu, Dec 6, 2007	55.20	57.12	55.20	56.16
375	NASDAQ	ATEC	Wed, Dec 5, 2007	57.72	60.48	55.20	55.56
374	NASDAQ	ATEC	Tue, Dec 4, 2007	55.20	58.44	55.20	58.32
373	NASDAQ	ATEC	Mon, Dec 3, 2007	56.04	57.00	54.24	55.08
372	NASDAQ	ATEC	Fri, Nov 30, 2007	52.80	55.68	52.80	55.20
371	NASDAQ	ATEC	Thu, Nov 29, 2007	52.80	53.88	52.80	53.16
370	NASDAQ	ATEC	Wed, Nov 28, 2007	54.00	54.00	48.84	52.34
369	NASDAQ	ATEC	Tue, Nov 27, 2007	51.84	52.80	51.84	52.80
368	NASDAQ	ATEC	Mon, Nov 26, 2007	50.64	54.96	50.64	51.36
367	NASDAQ	ATEC	Fri, Nov 23, 2007	51.00	51.84	50.82	51.00
366	NASDAQ	ATEC	Wed, Nov 21, 2007	51.24	52.08	49.08	51.31
365	NASDAQ	ATEC	Tue, Nov 20, 2007	46.20	52.92	46.20	52.08
364	NASDAQ	ATEC	Mon, Nov 19, 2007	44.28	46.20	44.28	46.20
363	NASDAQ	ATEC	Fri, Nov 16, 2007	43.92	44.76	43.68	44.69
362	NASDAQ	ATEC	Thu, Nov 15, 2007	45.00	45.00	43.20	44.28
361	NASDAQ	ATEC	Wed, Nov 14, 2007	45.24	45.24	43.92	45.00
360	NASDAQ	ATEC	Tue, Nov 13, 2007	46.20	46.20	45.24	45.24
359	NASDAQ	ATEC	Mon, Nov 12, 2007	45.60	47.16	45.48	45.48
358	NASDAQ	ATEC	Fri, Nov 9, 2007	44.76	46.80	44.76	45.84
357	NASDAQ	ATEC	Thu, Nov 8, 2007	47.76	47.88	45.72	46.68
356	NASDAQ	ATEC	Wed, Nov 7, 2007	47.76	47.99	46.20	46.92
355	NASDAQ	ATEC	Tue, Nov 6, 2007	48.60	49.44	47.64	47.76
354	NASDAQ	ATEC	Mon, Nov 5, 2007	49.80	50.16	48.00	48.12
353	NASDAQ	ATEC	Fri, Nov 2, 2007	51.48	51.48	48.00	48.24
352	NASDAQ	ATEC	Thu, Nov 1, 2007	51.12	51.84	49.56	50.64
351	NASDAQ	ATEC	Wed, Oct 31, 2007	51.00	51.60	49.80	51.12
350	NASDAQ	ATEC	Tue, Oct 30, 2007	50.28	51.60	50.28	51.00
349	NASDAQ	ATEC	Mon, Oct 29, 2007	53.52	53.52	49.56	49.80
348	NASDAQ	ATEC	Fri, Oct 26, 2007	52.44	52.80	47.88	49.80
347	NASDAQ	ATEC	Thu, Oct 25, 2007	50.40	54.00	50.28	51.72
346	NASDAQ	ATEC	Wed, Oct 24, 2007	51.00	51.00	48.72	49.92
345	NASDAQ	ATEC	Tue, Oct 23, 2007	51.72	53.76	49.68	51.24
344	NASDAQ	ATEC	Mon, Oct 22, 2007	51.24	53.88	48.60	50.40
343	NASDAQ	ATEC	Fri, Oct 19, 2007	51.00	53.64	51.00	52.56
342	NASDAQ	ATEC	Thu, Oct 18, 2007	51.48	53.76	50.76	51.36
341	NASDAQ	ATEC	Wed, Oct 17, 2007	49.68	51.96	48.48	51.24
340	NASDAQ	ATEC	Tue, Oct 16, 2007	51.00	51.00	45.60	48.24
339	NASDAQ	ATEC	Mon, Oct 15, 2007	47.64	52.08	47.64	51.84
338	NASDAQ	ATEC	Fri, Oct 12, 2007	47.52	47.76	47.28	47.55
337	NASDAQ	ATEC	Thu, Oct 11, 2007	47.16	47.64	46.56	47.16
336	NASDAQ	ATEC	Wed, Oct 10, 2007	47.28	47.40	47.16	47.40
335	NASDAQ	ATEC	Tue, Oct 9, 2007	46.68	47.64	46.32	47.40
334	NASDAQ	ATEC	Mon, Oct 8, 2007	47.76	47.76	45.60	47.16
333	NASDAQ	ATEC	Fri, Oct 5, 2007	46.92	48.00	46.92	47.40
332	NASDAQ	ATEC	Thu, Oct 4, 2007	43.56	47.04	43.56	46.56
331	NASDAQ	ATEC	Wed, Oct 3, 2007	42.24	44.40	41.40	43.80
330	NASDAQ	ATEC	Tue, Oct 2, 2007	42.36	42.60	41.40	42.06
329	NASDAQ	ATEC	Mon, Oct 1, 2007	41.64	43.80	41.40	42.84
328	NASDAQ	ATEC	Fri, Sep 28, 2007	41.40	42.00	40.56	41.28
327	NASDAQ	ATEC	Thu, Sep 27, 2007	44.88	44.88	40.20	41.52
326	NASDAQ	ATEC	Wed, Sep 26, 2007	42.60	42.60	41.52	42.12
325	NASDAQ	ATEC	Tue, Sep 25, 2007	43.32	43.80	41.52	42.12
324	NASDAQ	ATEC	Mon, Sep 24, 2007	43.08	44.40	42.00	43.32
323	NASDAQ	ATEC	Fri, Sep 21, 2007	42.72	46.44	42.00	43.20
322	NASDAQ	ATEC	Thu, Sep 20, 2007	42.12	43.20	41.73	42.00
321	NASDAQ	ATEC	Wed, Sep 19, 2007	45.60	45.72	41.64	42.60
320	NASDAQ	ATEC	Tue, Sep 18, 2007	47.40	47.76	44.16	45.00
319	NASDAQ	ATEC	Mon, Sep 17, 2007	47.16	47.16	45.48	46.20
318	NASDAQ	ATEC	Fri, Sep 14, 2007	44.73	48.00	44.52	46.80
317	NASDAQ	ATEC	Thu, Sep 13, 2007	44.16	44.28	42.48	44.16
316	NASDAQ	ATEC	Wed, Sep 12, 2007	42.24	45.00	42.24	43.80
315	NASDAQ	ATEC	Tue, Sep 11, 2007	42.00	42.60	40.32	42.24
314	NASDAQ	ATEC	Mon, Sep 10, 2007	42.00	42.00	39.84	41.28
313	NASDAQ	ATEC	Fri, Sep 7, 2007	41.16	42.00	41.04	41.52
312	NASDAQ	ATEC	Thu, Sep 6, 2007	44.52	44.52	40.80	41.04
311	NASDAQ	ATEC	Wed, Sep 5, 2007	45.60	45.60	44.52	44.52
310	NASDAQ	ATEC	Tue, Sep 4, 2007	44.88	45.36	44.88	45.36
309	NASDAQ	ATEC	Fri, Aug 31, 2007	45.60	45.60	44.28	44.28
308	NASDAQ	ATEC	Thu, Aug 30, 2007	45.00	45.12	44.40	44.40
307	NASDAQ	ATEC	Wed, Aug 29, 2007	44.88	45.12	44.64	44.73
306	NASDAQ	ATEC	Tue, Aug 28, 2007	45.00	45.00	44.40	44.40
305	NASDAQ	ATEC	Mon, Aug 27, 2007	46.20	47.04	44.40	44.40
304	NASDAQ	ATEC	Fri, Aug 24, 2007	48.00	48.00	43.32	45.60
303	NASDAQ	ATEC	Thu, Aug 23, 2007	47.40	48.00	45.96	47.88
302	NASDAQ	ATEC	Wed, Aug 22, 2007	48.12	49.68	45.84	46.80
301	NASDAQ	ATEC	Tue, Aug 21, 2007	48.00	49.20	44.40	47.16
300	NASDAQ	ATEC	Mon, Aug 20, 2007	46.08	48.00	46.08	48.00
299	NASDAQ	ATEC	Fri, Aug 17, 2007	46.32	46.80	43.80	46.20
298	NASDAQ	ATEC	Thu, Aug 16, 2007	43.68	46.44	43.68	45.60
297	NASDAQ	ATEC	Wed, Aug 15, 2007	43.20	45.28	43.20	44.64
296	NASDAQ	ATEC	Tue, Aug 14, 2007	46.80	47.40	43.80	43.80
295	NASDAQ	ATEC	Mon, Aug 13, 2007	48.00	48.00	45.96	46.92
294	NASDAQ	ATEC	Fri, Aug 10, 2007	46.92	48.60	45.48	47.76
293	NASDAQ	ATEC	Thu, Aug 9, 2007	47.40	47.76	46.44	47.28
292	NASDAQ	ATEC	Wed, Aug 8, 2007	47.88	49.20	45.48	48.24
291	NASDAQ	ATEC	Tue, Aug 7, 2007	48.84	49.44	43.32	48.12
290	NASDAQ	ATEC	Mon, Aug 6, 2007	47.52	49.92	45.36	47.64
289	NASDAQ	ATEC	Fri, Aug 3, 2007	52.92	52.92	45.60	48.00
288	NASDAQ	ATEC	Thu, Aug 2, 2007	47.04	50.64	45.96	50.40
287	NASDAQ	ATEC	Wed, Aug 1, 2007	45.60	48.24	45.00	46.56
286	NASDAQ	ATEC	Tue, Jul 31, 2007	45.60	50.88	45.24	46.20
285	NASDAQ	ATEC	Mon, Jul 30, 2007	46.32	48.60	43.20	45.24
284	NASDAQ	ATEC	Fri, Jul 27, 2007	48.00	48.24	46.44	46.80
283	NASDAQ	ATEC	Thu, Jul 26, 2007	49.20	49.68	47.40	48.00
282	NASDAQ	ATEC	Wed, Jul 25, 2007	49.32	50.16	49.20	49.76
281	NASDAQ	ATEC	Tue, Jul 24, 2007	51.24	51.24	48.60	49.80
280	NASDAQ	ATEC	Mon, Jul 23, 2007	49.34	51.00	49.34	51.00
279	NASDAQ	ATEC	Fri, Jul 20, 2007	49.20	51.60	48.60	49.20
278	NASDAQ	ATEC	Thu, Jul 19, 2007	49.20	51.60	47.76	50.64
277	NASDAQ	ATEC	Wed, Jul 18, 2007	50.40	51.12	49.08	50.40
276	NASDAQ	ATEC	Tue, Jul 17, 2007	49.20	52.20	49.20	51.24
275	NASDAQ	ATEC	Mon, Jul 16, 2007	46.56	49.20	45.60	49.20
274	NASDAQ	ATEC	Fri, Jul 13, 2007	45.00	46.80	43.20	45.96
273	NASDAQ	ATEC	Thu, Jul 12, 2007	44.62	45.84	44.40	45.00
272	NASDAQ	ATEC	Wed, Jul 11, 2007	44.28	45.60	44.04	44.88
271	NASDAQ	ATEC	Tue, Jul 10, 2007	44.52	44.52	44.16	44.16
270	NASDAQ	ATEC	Mon, Jul 9, 2007	45.37	45.60	44.40	45.00
269	NASDAQ	ATEC	Fri, Jul 6, 2007	46.56	46.68	44.40	45.36
268	NASDAQ	ATEC	Thu, Jul 5, 2007	43.56	46.08	43.56	46.08
267	NASDAQ	ATEC	Tue, Jul 3, 2007	44.28	44.28	43.32	44.04
266	NASDAQ	ATEC	Mon, Jul 2, 2007	45.60	46.68	43.32	44.64
265	NASDAQ	ATEC	Fri, Jun 29, 2007	44.40	46.80	42.12	45.60
264	NASDAQ	ATEC	Thu, Jun 28, 2007	43.68	45.12	43.44	44.40
263	NASDAQ	ATEC	Wed, Jun 27, 2007	46.56	46.56	43.08	43.68
262	NASDAQ	ATEC	Tue, Jun 26, 2007	47.40	47.40	45.00	46.08
261	NASDAQ	ATEC	Mon, Jun 25, 2007	45.60	46.68	45.36	46.56
260	NASDAQ	ATEC	Fri, Jun 22, 2007	46.45	47.04	44.64	45.48
259	NASDAQ	ATEC	Thu, Jun 21, 2007	48.00	48.36	45.60	46.20
258	NASDAQ	ATEC	Wed, Jun 20, 2007	45.12	49.32	45.00	48.00
257	NASDAQ	ATEC	Tue, Jun 19, 2007	44.76	45.60	44.40	44.88
256	NASDAQ	ATEC	Mon, Jun 18, 2007	42.60	44.64	42.60	43.56
255	NASDAQ	ATEC	Fri, Jun 15, 2007	43.44	43.56	42.84	43.20
254	NASDAQ	ATEC	Thu, Jun 14, 2007	42.24	43.20	42.12	42.72
253	NASDAQ	ATEC	Wed, Jun 13, 2007	42.24	42.96	42.12	42.24
252	NASDAQ	ATEC	Tue, Jun 12, 2007	42.60	44.52	41.40	42.72
251	NASDAQ	ATEC	Mon, Jun 11, 2007	43.80	43.80	42.48	42.60
250	NASDAQ	ATEC	Fri, Jun 8, 2007	44.64	44.64	42.12	42.60
249	NASDAQ	ATEC	Thu, Jun 7, 2007	42.48	44.64	42.48	42.48
248	NASDAQ	ATEC	Wed, Jun 6, 2007	43.92	44.04	40.20	42.12
247	NASDAQ	ATEC	Tue, Jun 5, 2007	43.92	44.76	43.80	43.92
246	NASDAQ	ATEC	Mon, Jun 4, 2007	44.16	45.36	43.92	43.92
245	NASDAQ	ATEC	Fri, Jun 1, 2007	44.40	44.52	43.20	43.80
244	NASDAQ	ATEC	Thu, May 31, 2007	43.20	44.28	42.60	44.28
243	NASDAQ	ATEC	Wed, May 30, 2007	42.36	44.16	41.88	43.20
242	NASDAQ	ATEC	Tue, May 29, 2007	40.80	43.80	40.20	41.76
241	NASDAQ	ATEC	Fri, May 25, 2007	41.40	41.52	40.32	40.92
240	NASDAQ	ATEC	Thu, May 24, 2007	41.52	41.76	41.40	41.76
239	NASDAQ	ATEC	Wed, May 23, 2007	41.64	42.24	40.32	42.24
238	NASDAQ	ATEC	Tue, May 22, 2007	41.40	42.36	41.28	41.40
237	NASDAQ	ATEC	Mon, May 21, 2007	41.28	42.48	41.28	41.88
236	NASDAQ	ATEC	Fri, May 18, 2007	41.88	42.72	41.40	41.52
235	NASDAQ	ATEC	Thu, May 17, 2007	39.24	42.96	39.24	42.72
234	NASDAQ	ATEC	Wed, May 16, 2007	39.84	40.80	39.48	39.48
233	NASDAQ	ATEC	Tue, May 15, 2007	39.96	40.32	39.36	39.72
232	NASDAQ	ATEC	Mon, May 14, 2007	39.96	40.08	39.12	39.60
231	NASDAQ	ATEC	Fri, May 11, 2007	41.04	41.04	39.24	40.20
230	NASDAQ	ATEC	Thu, May 10, 2007	40.92	42.00	39.60	39.72
229	NASDAQ	ATEC	Wed, May 9, 2007	41.88	42.36	40.92	41.40
228	NASDAQ	ATEC	Tue, May 8, 2007	42.00	42.12	41.28	42.12
227	NASDAQ	ATEC	Mon, May 7, 2007	41.88	42.72	41.88	42.48
226	NASDAQ	ATEC	Fri, May 4, 2007	43.08	43.08	42.00	42.00
225	NASDAQ	ATEC	Thu, May 3, 2007	40.80	42.96	40.80	42.60
224	NASDAQ	ATEC	Wed, May 2, 2007	43.20	43.56	40.44	40.80
223	NASDAQ	ATEC	Tue, May 1, 2007	43.92	44.40	42.00	42.72
222	NASDAQ	ATEC	Mon, Apr 30, 2007	43.80	43.80	42.84	42.96
221	NASDAQ	ATEC	Fri, Apr 27, 2007	44.28	44.28	42.72	43.32
220	NASDAQ	ATEC	Thu, Apr 26, 2007	41.52	45.00	40.20	42.60
219	NASDAQ	ATEC	Wed, Apr 25, 2007	42.60	42.60	41.64	41.88
218	NASDAQ	ATEC	Tue, Apr 24, 2007	44.64	44.64	42.84	42.84
217	NASDAQ	ATEC	Mon, Apr 23, 2007	44.76	45.60	44.16	44.16
216	NASDAQ	ATEC	Fri, Apr 20, 2007	46.92	47.28	45.96	46.44
215	NASDAQ	ATEC	Thu, Apr 19, 2007	46.56	47.28	44.40	46.92
214	NASDAQ	ATEC	Wed, Apr 18, 2007	46.08	48.00	45.48	47.04
213	NASDAQ	ATEC	Tue, Apr 17, 2007	45.12	46.20	44.52	45.48
212	NASDAQ	ATEC	Mon, Apr 16, 2007	47.76	47.76	44.76	44.76
211	NASDAQ	ATEC	Fri, Apr 13, 2007	45.84	47.76	45.48	47.76
210	NASDAQ	ATEC	Thu, Apr 12, 2007	46.20	47.64	45.90	47.28
209	NASDAQ	ATEC	Wed, Apr 11, 2007	46.20	47.88	42.78	46.56
208	NASDAQ	ATEC	Tue, Apr 10, 2007	46.68	47.67	46.56	46.92
207	NASDAQ	ATEC	Mon, Apr 9, 2007	46.68	48.24	46.08	48.00
206	NASDAQ	ATEC	Thu, Apr 5, 2007	45.24	48.48	44.40	45.84
205	NASDAQ	ATEC	Wed, Apr 4, 2007	49.20	49.20	43.80	45.60
204	NASDAQ	ATEC	Tue, Apr 3, 2007	51.60	51.60	48.84	48.84
203	NASDAQ	ATEC	Mon, Apr 2, 2007	50.40	51.60	49.20	51.44
202	NASDAQ	ATEC	Fri, Mar 30, 2007	50.28	50.88	50.28	50.40
201	NASDAQ	ATEC	Thu, Mar 29, 2007	52.98	52.98	50.04	50.28
200	NASDAQ	ATEC	Wed, Mar 28, 2007	49.08	49.44	48.24	48.24
199	NASDAQ	ATEC	Tue, Mar 27, 2007	49.08	49.08	48.12	48.72
198	NASDAQ	ATEC	Mon, Mar 26, 2007	50.40	50.88	48.72	48.72
197	NASDAQ	ATEC	Fri, Mar 23, 2007	50.76	51.48	49.44	50.04
196	NASDAQ	ATEC	Thu, Mar 22, 2007	50.28	51.72	49.80	51.12
195	NASDAQ	ATEC	Wed, Mar 21, 2007	50.64	53.64	50.04	50.52
194	NASDAQ	ATEC	Tue, Mar 20, 2007	51.84	51.96	50.88	51.00
193	NASDAQ	ATEC	Mon, Mar 19, 2007	52.44	52.44	50.28	51.00
192	NASDAQ	ATEC	Fri, Mar 16, 2007	50.76	50.76	49.92	50.16
191	NASDAQ	ATEC	Thu, Mar 15, 2007	50.16	52.37	49.56	50.52
190	NASDAQ	ATEC	Wed, Mar 14, 2007	50.28	52.32	49.20	49.20
189	NASDAQ	ATEC	Tue, Mar 13, 2007	51.36	51.36	49.92	49.92
188	NASDAQ	ATEC	Mon, Mar 12, 2007	53.64	53.64	51.84	51.96
187	NASDAQ	ATEC	Fri, Mar 9, 2007	52.80	53.64	51.12	53.16
186	NASDAQ	ATEC	Thu, Mar 8, 2007	53.16	53.88	51.48	52.68
185	NASDAQ	ATEC	Wed, Mar 7, 2007	55.20	55.20	50.52	52.92
184	NASDAQ	ATEC	Tue, Mar 6, 2007	55.20	56.88	53.88	55.20
183	NASDAQ	ATEC	Mon, Mar 5, 2007	55.32	56.28	53.64	53.88
182	NASDAQ	ATEC	Fri, Mar 2, 2007	55.92	56.88	53.52	53.52
181	NASDAQ	ATEC	Thu, Mar 1, 2007	54.60	56.04	51.00	54.00
180	NASDAQ	ATEC	Wed, Feb 28, 2007	54.72	57.60	54.00	56.04
179	NASDAQ	ATEC	Tue, Feb 27, 2007	57.60	58.80	53.40	54.96
178	NASDAQ	ATEC	Mon, Feb 26, 2007	61.20	61.56	54.00	57.48
177	NASDAQ	ATEC	Fri, Feb 23, 2007	48.12	60.72	48.12	60.00
176	NASDAQ	ATEC	Thu, Feb 22, 2007	47.64	49.20	46.44	47.28
175	NASDAQ	ATEC	Wed, Feb 21, 2007	49.20	49.20	48.00	48.00
174	NASDAQ	ATEC	Tue, Feb 20, 2007	45.48	49.80	45.48	49.80
173	NASDAQ	ATEC	Fri, Feb 16, 2007	46.80	47.64	45.48	46.32
172	NASDAQ	ATEC	Thu, Feb 15, 2007	49.20	49.20	45.84	47.16
171	NASDAQ	ATEC	Wed, Feb 14, 2007	49.20	51.42	49.20	49.44
170	NASDAQ	ATEC	Tue, Feb 13, 2007	47.64	50.04	47.64	49.68
169	NASDAQ	ATEC	Mon, Feb 12, 2007	49.44	49.44	47.64	48.24
168	NASDAQ	ATEC	Fri, Feb 9, 2007	50.40	50.40	49.44	49.56
167	NASDAQ	ATEC	Thu, Feb 8, 2007	49.92	50.76	49.80	50.76
166	NASDAQ	ATEC	Wed, Feb 7, 2007	51.60	51.96	49.80	50.40
165	NASDAQ	ATEC	Tue, Feb 6, 2007	51.36	52.44	49.08	50.64
164	NASDAQ	ATEC	Mon, Feb 5, 2007	52.44	52.44	51.12	51.48
163	NASDAQ	ATEC	Fri, Feb 2, 2007	50.40	53.88	50.04	52.32
162	NASDAQ	ATEC	Thu, Feb 1, 2007	51.00	51.48	50.40	50.64
161	NASDAQ	ATEC	Wed, Jan 31, 2007	49.92	51.60	49.08	51.00
160	NASDAQ	ATEC	Tue, Jan 30, 2007	49.68	50.40	49.08	49.92
159	NASDAQ	ATEC	Mon, Jan 29, 2007	48.60	52.20	48.36	48.84
158	NASDAQ	ATEC	Fri, Jan 26, 2007	51.36	51.36	48.00	48.36
157	NASDAQ	ATEC	Thu, Jan 25, 2007	51.72	52.44	48.84	51.12
156	NASDAQ	ATEC	Wed, Jan 24, 2007	50.52	55.80	50.52	52.20
155	NASDAQ	ATEC	Tue, Jan 23, 2007	51.96	51.96	48.00	50.40
154	NASDAQ	ATEC	Mon, Jan 22, 2007	53.16	53.16	49.32	52.44
153	NASDAQ	ATEC	Fri, Jan 19, 2007	45.96	53.28	45.60	53.14
152	NASDAQ	ATEC	Thu, Jan 18, 2007	44.76	46.08	44.76	45.36
151	NASDAQ	ATEC	Wed, Jan 17, 2007	42.60	43.44	42.60	43.44
150	NASDAQ	ATEC	Tue, Jan 16, 2007	43.44	43.80	42.60	42.60
149	NASDAQ	ATEC	Fri, Jan 12, 2007	42.60	43.32	42.60	43.08
148	NASDAQ	ATEC	Thu, Jan 11, 2007	43.20	44.28	42.00	42.48
147	NASDAQ	ATEC	Wed, Jan 10, 2007	42.00	43.68	41.07	43.32
146	NASDAQ	ATEC	Tue, Jan 9, 2007	43.13	43.13	41.04	42.36
145	NASDAQ	ATEC	Mon, Jan 8, 2007	43.92	44.40	42.13	42.48
144	NASDAQ	ATEC	Fri, Jan 5, 2007	42.36	43.92	42.36	43.56
143	NASDAQ	ATEC	Thu, Jan 4, 2007	42.96	43.44	42.28	42.60
142	NASDAQ	ATEC	Wed, Jan 3, 2007	44.76	44.88	41.88	42.48
141	NASDAQ	ATEC	Fri, Dec 29, 2006	45.12	46.59	44.81	44.81
140	NASDAQ	ATEC	Thu, Dec 28, 2006	45.72	45.84	45.00	45.48
139	NASDAQ	ATEC	Wed, Dec 27, 2006	46.20	46.56	44.40	45.60
138	NASDAQ	ATEC	Tue, Dec 26, 2006	44.40	45.36	42.96	45.12
137	NASDAQ	ATEC	Fri, Dec 22, 2006	42.60	44.16	41.72	43.80
136	NASDAQ	ATEC	Thu, Dec 21, 2006	41.16	42.60	40.92	42.60
135	NASDAQ	ATEC	Wed, Dec 20, 2006	42.00	42.12	40.68	41.52
134	NASDAQ	ATEC	Tue, Dec 19, 2006	43.08	43.08	41.40	42.36
133	NASDAQ	ATEC	Mon, Dec 18, 2006	43.20	43.20	41.64	42.72
132	NASDAQ	ATEC	Fri, Dec 15, 2006	52.80	52.80	42.60	42.60
131	NASDAQ	ATEC	Thu, Dec 14, 2006	44.40	46.20	39.72	41.40
130	NASDAQ	ATEC	Wed, Dec 13, 2006	48.00	48.12	43.32	43.91
129	NASDAQ	ATEC	Tue, Dec 12, 2006	50.04	50.28	48.72	48.72
128	NASDAQ	ATEC	Mon, Dec 11, 2006	50.76	51.00	48.60	49.56
127	NASDAQ	ATEC	Fri, Dec 8, 2006	50.76	50.76	49.08	50.16
126	NASDAQ	ATEC	Thu, Dec 7, 2006	50.16	50.64	49.08	50.40
125	NASDAQ	ATEC	Wed, Dec 6, 2006	50.52	51.12	50.04	50.16
124	NASDAQ	ATEC	Tue, Dec 5, 2006	52.80	53.28	49.68	50.76
123	NASDAQ	ATEC	Mon, Dec 4, 2006	51.12	56.04	51.12	53.28
122	NASDAQ	ATEC	Fri, Dec 1, 2006	48.36	54.60	48.36	52.20
121	NASDAQ	ATEC	Thu, Nov 30, 2006	47.04	48.36	46.80	48.36
120	NASDAQ	ATEC	Wed, Nov 29, 2006	47.28	48.12	46.80	46.92
119	NASDAQ	ATEC	Tue, Nov 28, 2006	47.16	48.36	46.32	47.04
118	NASDAQ	ATEC	Mon, Nov 27, 2006	48.00	49.08	44.64	45.96
117	NASDAQ	ATEC	Fri, Nov 24, 2006	47.64	49.44	47.52	48.00
116	NASDAQ	ATEC	Wed, Nov 22, 2006	44.88	48.96	44.88	48.00
115	NASDAQ	ATEC	Tue, Nov 21, 2006	44.28	44.88	44.28	44.76
114	NASDAQ	ATEC	Mon, Nov 20, 2006	44.40	44.52	43.20	43.56
113	NASDAQ	ATEC	Fri, Nov 17, 2006	43.32	44.88	42.84	44.28
112	NASDAQ	ATEC	Thu, Nov 16, 2006	44.28	44.76	43.32	43.92
111	NASDAQ	ATEC	Wed, Nov 15, 2006	44.40	45.84	43.20	44.64
110	NASDAQ	ATEC	Tue, Nov 14, 2006	40.92	44.40	40.56	43.56
109	NASDAQ	ATEC	Mon, Nov 13, 2006	36.00	40.44	36.00	39.72
108	NASDAQ	ATEC	Fri, Nov 10, 2006	37.20	39.96	35.40	35.76
107	NASDAQ	ATEC	Thu, Nov 9, 2006	37.08	38.40	36.00	36.00
106	NASDAQ	ATEC	Wed, Nov 8, 2006	37.44	38.40	37.20	37.44
105	NASDAQ	ATEC	Tue, Nov 7, 2006	37.56	38.52	37.56	38.52
104	NASDAQ	ATEC	Mon, Nov 6, 2006	39.24	39.72	36.60	37.20
103	NASDAQ	ATEC	Fri, Nov 3, 2006	38.40	39.96	37.56	39.60
102	NASDAQ	ATEC	Thu, Nov 2, 2006	40.32	40.92	36.72	37.08
101	NASDAQ	ATEC	Wed, Nov 1, 2006	41.16	41.64	40.08	40.22
100	NASDAQ	ATEC	Tue, Oct 31, 2006	41.16	43.08	41.16	41.28
99	NASDAQ	ATEC	Mon, Oct 30, 2006	40.80	41.64	40.44	41.28
98	NASDAQ	ATEC	Fri, Oct 27, 2006	40.80	41.64	40.68	41.28
97	NASDAQ	ATEC	Thu, Oct 26, 2006	42.00	42.00	40.08	40.68
96	NASDAQ	ATEC	Wed, Oct 25, 2006	40.20	41.88	39.12	39.60
95	NASDAQ	ATEC	Tue, Oct 24, 2006	40.44	42.00	39.48	40.68
94	NASDAQ	ATEC	Mon, Oct 23, 2006	40.56	45.60	40.20	40.44
93	NASDAQ	ATEC	Fri, Oct 20, 2006	38.76	42.36	38.76	40.44
92	NASDAQ	ATEC	Thu, Oct 19, 2006	39.60	40.08	37.68	39.00
91	NASDAQ	ATEC	Wed, Oct 18, 2006	42.48	42.96	39.48	39.84
90	NASDAQ	ATEC	Tue, Oct 17, 2006	42.60	43.80	40.08	42.36
89	NASDAQ	ATEC	Mon, Oct 16, 2006	37.80	46.80	36.00	42.48
88	NASDAQ	ATEC	Fri, Oct 13, 2006	33.60	36.36	33.60	36.00
87	NASDAQ	ATEC	Thu, Oct 12, 2006	38.04	38.04	33.24	33.24
86	NASDAQ	ATEC	Wed, Oct 11, 2006	40.08	40.20	33.84	36.60
85	NASDAQ	ATEC	Tue, Oct 10, 2006	47.16	47.16	38.40	38.52
84	NASDAQ	ATEC	Mon, Oct 9, 2006	48.00	48.72	42.00	43.56
83	NASDAQ	ATEC	Fri, Oct 6, 2006	55.80	55.80	54.12	54.60
82	NASDAQ	ATEC	Thu, Oct 5, 2006	55.80	55.80	54.00	54.60
81	NASDAQ	ATEC	Wed, Oct 4, 2006	56.04	56.40	54.84	55.32
80	NASDAQ	ATEC	Tue, Oct 3, 2006	58.20	63.36	55.20	56.04
79	NASDAQ	ATEC	Mon, Oct 2, 2006	67.20	67.20	56.16	57.00
78	NASDAQ	ATEC	Fri, Sep 29, 2006	74.40	74.40	66.60	68.64
77	NASDAQ	ATEC	Thu, Sep 28, 2006	80.40	80.40	74.04	74.40
76	NASDAQ	ATEC	Wed, Sep 27, 2006	76.20	81.00	73.44	78.00
75	NASDAQ	ATEC	Tue, Sep 26, 2006	73.20	76.08	73.20	74.64
74	NASDAQ	ATEC	Mon, Sep 25, 2006	78.72	78.84	69.12	72.72
73	NASDAQ	ATEC	Fri, Sep 22, 2006	78.00	78.60	72.60	73.68
72	NASDAQ	ATEC	Thu, Sep 21, 2006	78.36	80.76	76.80	79.68
71	NASDAQ	ATEC	Wed, Sep 20, 2006	68.52	78.84	68.52	77.40
70	NASDAQ	ATEC	Tue, Sep 19, 2006	69.00	74.04	68.04	70.68
69	NASDAQ	ATEC	Mon, Sep 18, 2006	67.20	69.00	66.12	68.88
68	NASDAQ	ATEC	Fri, Sep 15, 2006	66.00	66.12	64.92	66.00
67	NASDAQ	ATEC	Thu, Sep 14, 2006	64.80	66.48	63.00	65.88
66	NASDAQ	ATEC	Wed, Sep 13, 2006	64.20	64.44	62.04	63.60
65	NASDAQ	ATEC	Tue, Sep 12, 2006	63.36	64.20	63.12	63.48
64	NASDAQ	ATEC	Mon, Sep 11, 2006	63.84	64.08	63.24	63.48
63	NASDAQ	ATEC	Fri, Sep 8, 2006	61.80	65.76	61.32	65.76
62	NASDAQ	ATEC	Thu, Sep 7, 2006	66.84	66.84	62.16	63.48
61	NASDAQ	ATEC	Wed, Sep 6, 2006	69.60	69.60	66.72	66.96
60	NASDAQ	ATEC	Tue, Sep 5, 2006	75.84	75.84	67.44	68.76
59	NASDAQ	ATEC	Fri, Sep 1, 2006	69.60	69.60	66.24	69.00
58	NASDAQ	ATEC	Thu, Aug 31, 2006	66.24	71.88	66.24	67.44
57	NASDAQ	ATEC	Wed, Aug 30, 2006	64.32	66.96	63.12	66.24
56	NASDAQ	ATEC	Tue, Aug 29, 2006	65.40	69.60	62.04	64.92
55	NASDAQ	ATEC	Mon, Aug 28, 2006	61.80	70.20	61.80	66.00
54	NASDAQ	ATEC	Fri, Aug 25, 2006	66.00	66.00	59.76	61.20
53	NASDAQ	ATEC	Thu, Aug 24, 2006	66.12	71.40	60.84	62.40
52	NASDAQ	ATEC	Wed, Aug 23, 2006	67.20	67.20	63.60	63.60
51	NASDAQ	ATEC	Tue, Aug 22, 2006	66.72	67.80	66.00	67.80
50	NASDAQ	ATEC	Mon, Aug 21, 2006	68.40	68.64	67.80	68.16
49	NASDAQ	ATEC	Fri, Aug 18, 2006	70.44	70.44	67.44	68.40
48	NASDAQ	ATEC	Thu, Aug 17, 2006	73.20	74.76	69.72	69.72
47	NASDAQ	ATEC	Wed, Aug 16, 2006	76.44	77.40	73.20	73.20
46	NASDAQ	ATEC	Tue, Aug 15, 2006	75.60	76.32	73.92	74.28
45	NASDAQ	ATEC	Mon, Aug 14, 2006	71.64	76.20	67.92	73.68
44	NASDAQ	ATEC	Fri, Aug 11, 2006	65.40	73.32	65.40	69.96
43	NASDAQ	ATEC	Thu, Aug 10, 2006	71.16	75.12	65.40	72.84
42	NASDAQ	ATEC	Wed, Aug 9, 2006	72.24	73.56	67.08	73.08
41	NASDAQ	ATEC	Tue, Aug 8, 2006	61.20	72.48	61.20	71.40
40	NASDAQ	ATEC	Mon, Aug 7, 2006	57.60	61.20	57.60	61.20
39	NASDAQ	ATEC	Fri, Aug 4, 2006	57.72	60.24	57.72	58.20
38	NASDAQ	ATEC	Thu, Aug 3, 2006	58.20	59.28	57.60	58.20
37	NASDAQ	ATEC	Wed, Aug 2, 2006	57.00	60.24	57.00	57.84
36	NASDAQ	ATEC	Tue, Aug 1, 2006	60.48	60.48	55.80	56.88
35	NASDAQ	ATEC	Mon, Jul 31, 2006	63.60	63.60	60.48	60.48
34	NASDAQ	ATEC	Fri, Jul 28, 2006	63.60	66.00	60.00	62.40
33	NASDAQ	ATEC	Thu, Jul 27, 2006	67.32	67.32	63.60	64.20
32	NASDAQ	ATEC	Wed, Jul 26, 2006	64.20	67.20	63.84	66.24
31	NASDAQ	ATEC	Tue, Jul 25, 2006	65.40	66.00	63.00	63.60
30	NASDAQ	ATEC	Mon, Jul 24, 2006	65.52	67.20	65.52	66.00
29	NASDAQ	ATEC	Fri, Jul 21, 2006	64.80	67.80	64.80	66.00
28	NASDAQ	ATEC	Thu, Jul 20, 2006	76.68	76.68	64.92	66.00
27	NASDAQ	ATEC	Wed, Jul 19, 2006	71.40	71.40	67.44	68.88
26	NASDAQ	ATEC	Tue, Jul 18, 2006	67.80	78.48	67.80	72.00
25	NASDAQ	ATEC	Mon, Jul 17, 2006	78.48	78.48	63.12	66.72
24	NASDAQ	ATEC	Fri, Jul 14, 2006	76.80	76.80	69.36	69.36
23	NASDAQ	ATEC	Thu, Jul 13, 2006	78.00	80.40	70.68	71.28
22	NASDAQ	ATEC	Wed, Jul 12, 2006	74.76	77.40	74.76	74.76
21	NASDAQ	ATEC	Tue, Jul 11, 2006	73.80	75.84	72.72	74.64
20	NASDAQ	ATEC	Mon, Jul 10, 2006	78.00	78.72	73.92	75.00
19	NASDAQ	ATEC	Fri, Jul 7, 2006	75.60	77.64	75.12	77.16
18	NASDAQ	ATEC	Thu, Jul 6, 2006	75.36	78.12	75.36	78.00
17	NASDAQ	ATEC	Wed, Jul 5, 2006	75.96	77.76	74.40	74.52
16	NASDAQ	ATEC	Mon, Jul 3, 2006	78.72	83.64	76.80	77.16
15	NASDAQ	ATEC	Fri, Jun 30, 2006	78.00	78.72	74.40	75.60
14	NASDAQ	ATEC	Thu, Jun 29, 2006	75.24	84.24	75.00	76.20
13	NASDAQ	ATEC	Wed, Jun 28, 2006	83.28	83.28	71.76	75.60
12	NASDAQ	ATEC	Tue, Jun 27, 2006	82.68	84.00	79.20	79.32
11	NASDAQ	ATEC	Mon, Jun 26, 2006	88.44	88.44	81.00	82.68
10	NASDAQ	ATEC	Fri, Jun 23, 2006	85.08	85.32	84.60	84.60
9	NASDAQ	ATEC	Thu, Jun 22, 2006	87.48	87.60	82.92	85.56
8	NASDAQ	ATEC	Wed, Jun 21, 2006	88.80	88.80	85.92	87.48
7	NASDAQ	ATEC	Tue, Jun 20, 2006	95.88	99.00	88.32	89.52
6	NASDAQ	ATEC	Mon, Jun 19, 2006	97.56	100.80	94.80	96.84
5	NASDAQ	ATEC	Fri, Jun 16, 2006	99.00	99.00	95.04	95.04
4	NASDAQ	ATEC	Thu, Jun 15, 2006	99.48	100.20	97.68	97.80
3	NASDAQ	ATEC	Wed, Jun 14, 2006	100.80	101.28	99.72	99.72
2	NASDAQ	ATEC	Tue, Jun 13, 2006	100.92	101.52	98.40	100.80
1	NASDAQ	ATEC	Mon, Jun 12, 2006	105.60	105.60	101.04	102.00
#	Exchange	Symbol	Date	Open	High	Low	Close

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