NASD stock list:1 NYSE |
| First | +1 | +10 | Last |
| AAME Atlantic American Corporation | AANB Abigail Adams National Bancorp, Inc. |
| AAON AAON, Inc. | AAPL Apple Inc. |
| AATI Advanced Analogic Technologies, Inc. | AATK American Access Technologies, Inc. |
| AAWW Atlas Air Worldwide Holdings | ABAX ABAXIS, Inc. |
| ABBC Abington Community Bancorp, Inc., par value $0.01 per share | ABCB Ameris Bancorp |
| ABCO Advisory Board Company (The) | ABCW Anchor BanCorp Wisconsin Inc. |
| ABER Aber Diamond Corporation | ABFS Arkansas Best Corporation |
| ABIX Abatix Corp. | ABMC American Bio Medica Corp. |
| ABMD ABIOMED, Inc. | ABNJ American Bancorp of New Jersey, Inc. |
| ABPI Accentia Biopharmaceuticals, Inc., par value $0.001 per share | ABTL Autobytel Inc. |
| ABVA Alliance Bankshares Corporation | ABXA ABX Air, Inc. |
| ACAD ACADIA Pharmaceuticals Inc. | ACAP American Physicians Capital, Inc. |
| ACAS American Capital Strategies, Ltd. | ACAT Arctic Cat Inc. |
| ACBA American Community Bancshares | ACCL Accelrys, Inc. |
| ACEC ACE*COMM Corporation | ACEL Alfacell Corporation |
| ACET Aceto Corporation | ACFC Atlantic Coast Federal Corporation, par value $0.01 per share |
| ACGL Arch Capital Group Ltd. | ACHN Achillion Pharmaceuticals, Inc. |
| ACLI American Commercial Lines Inc, par value $0.01 per share | ACLS Axcelis Technologies, Inc. |
| ACME ACME Communications, Inc. | ACMR A.C. Moore Arts & Crafts, Inc. |
| ACOR Acorda Therapeutics, Inc. | ACPW Active Power, Inc. |
| First | +1 | +10 | Last |