| Symbol | Name | Last Trade | Change | Volume | | AACC | Asset Acceptance Capital Corp. | 6.26 Dec 24 | 0.09 (1.46%) | 18,106 | | AAME | Atlantic American Corporation | 1.35 Dec 24 | 0.05 (3.85%) | 200 | | AAON | AAON, Inc. | 19.88 Dec 24 | 0.22 (1.12%) | 7,476 | | AAPL | Apple Inc. | 209.04 Dec 24 | 6.94 (3.43%) | 17,888,855 | | AATI | Advanced Analogic Technologies, | 3.68 Dec 24 | 0.00 (0.00%) | 38,845 | | AAWW | Atlas Air Worldwide Holdings | 37.79 Dec 24 | 0.29 (0.76%) | 86,565 | | ABAT | Advanced Battery Technologies, | 3.77 Dec 24 | 0.03 (0.79%) | 254,737 | | ABAX | ABAXIS, Inc. | 24.50 Dec 24 | 0.46 (1.91%) | 49,821 | | ABBC | Abington Bancorp, Inc. | 6.61 Dec 24 | 0.09 (1.34%) | 9,252 | | ABCB | Ameris Bancorp | 6.79 Dec 24 | 0.03 (0.44%) | 13,723 | | ABCD | Cambium Learning Group, Inc. | 4.07 Dec 24 | 0.33 (7.50%) | 38,233 | | ABCO | The Advisory Board Company | 29.74 Dec 24 | 0.17 (0.57%) | 18,461 | | ABCW | Anchor BanCorp Wisconsin Inc. | 0.62 Dec 24 | 0.06 (8.82%) | 40,729 | | ABFS | Arkansas Best Corporation | 31.49 Dec 24 | 0.15 (0.47%) | 446,549 | | ABII | Abraxis Bioscience Inc. | 39.50 Dec 24 | 0.16 (0.40%) | 13,786 | | ABIO | ARCA biopharma, Inc. | 3.15 Dec 24 | 0.03 (0.94%) | 22,378 | | ABMD | ABIOMED, Inc. | 8.86 Dec 24 | 0.03 (0.34%) | 37,947 | | ABTL | Autobytel Inc. | 0.91 Dec 24 | 0.06 (6.19%) | 444,637 | | ABVA | Alliance Bankshares Corporation | 3.48 Dec 23 | 0.00 (0.00%) | 0 | | ACAD | ACADIA Pharmaceuticals Inc. | 1.35 Dec 24 | 0.00 (0.00%) | 135,339 | | ACAP | American Physicians Capital, In | 30.42 Dec 24 | 0.56 (1.88%) | 15,473 | | ACAS | American Capital, Ltd. | 2.53 Dec 24 | 0.12 (4.98%) | 1,914,056 | | ACAT | Arctic Cat Inc. | 8.89 Dec 24 | 0.50 (5.96%) | 12,941 | | ACCL | Accelrys, Inc. | 5.70 Dec 24 | 0.03 (0.53%) | 17,039 | | ACET | Aceto Corporation | 5.24 Dec 24 | 0.06 (1.16%) | 204,772 | | ACFC | Atlantic Coast Federal Corporat | 1.42 Dec 24 | 0.03 (2.07%) | 3,195 | | ACFN | Acorn Energy, Inc. | 7.50 Dec 24 | 0.10 (1.32%) | 8,411 | | ACGL | Arch Capital Group Ltd. | 71.89 Dec 24 | 0.33 (0.46%) | 146,527 | | ACGY | Acergy S.A. | 15.62 Dec 24 | 0.07 (0.45%) | 89,235 | | ACHN | Achillion Pharmaceuticals, Inc. | 3.33 Dec 24 | 0.15 (4.31%) | 406,887 | | ACIW | ACI Worldwide, Inc. | 17.81 Dec 24 | 0.05 (0.28%) | 45,886 | | ACLI | American Commercial Lines Inc | 18.43 Dec 24 | 0.00 (0.00%) | 13,258 | | ACLS | Axcelis Technologies, Inc. | 1.46 Dec 24 | 0.00 (0.00%) | 410,662 | | ACMR | A.C. Moore Arts & Crafts, Inc. | 2.77 Dec 24 | 0.02 (0.72%) | 20,500 | | ACOM | Ancestry.com, Inc. | 14.61 Dec 24 | 0.24 (1.67%) | 52,040 | | ACOR | Acorda Therapeutics, Inc. | 25.83 Dec 24 | 0.20 (0.78%) | 103,124 | | ACPW | Active Power, Inc. | 1.07 Dec 24 | 0.05 (4.90%) | 27,610 | | ACTG | Acacia Research Corporation | 8.55 Dec 24 | 0.14 (1.66%) | 22,007 | | ACTI | ActivIdentity Corporation | 2.61 Dec 24 | 0.03 (1.16%) | 32,804 | | ACTL | Actel Corporation | 12.06 Dec 24 | 0.22 (1.86%) | 19,547 | | ACTS | Actions Semiconductor Co., Ltd. | 2.46 Dec 24 | 0.06 (2.50%) | 702,369 | | ACTU | Actuate Corporation | 4.01 Dec 24 | 0.08 (2.04%) | 131,599 | | ACUR | Acura Pharmaceuticals, Inc. | 5.40 Dec 24 | 0.14 (2.66%) | 3,774 | | ACXM | Acxiom Corporation | 13.98 Dec 24 | 0.12 (0.87%) | 149,773 | | ADAM | A.D.A.M. Inc. | 4.20 Dec 24 | 0.04 (0.94%) | 14,670 | | ADAT | Authentidate Holding Corp. | 1.02 Dec 24 | 0.02 (1.92%) | 87,350 | | ADBE | Adobe Systems Incorporated | 37.17 Dec 24 | 0.24 (0.65%) | 1,349,993 | | ADCT | ADC Telecommunications, Inc. | 6.55 Dec 24 | 0.11 (1.71%) | 570,610 | | ADEP | Adept Technology, Inc. | 3.44 Dec 24 | 0.05 (1.47%) | 444 | | ADES | ADA-ES, Inc. | 6.50 Dec 24 | 0.00 (0.00%) | 13,840 |
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