| Symbol | Name | Last Trade | Change | Volume |
|---|
| OABC | Omniamerican Bancorp, Inc. | 24.07 May 17 | 0.05 (0.21%) | 30,239 | | OBAF | OBA Financial Services, Inc. | 18.55 May 17 | 0.02 (0.09%) | 3,602 | | OBAS | Optibase Ltd. | 4.60 May 16 | 0.00 (0.00%) | 0 | | OBCI | Ocean Bio-Chem Inc. | 2.57 May 17 | 0.03 (1.18%) | 8,429 | | OCC | Optical Cable Corp. | 4.52 May 17 | 0.07 (1.62%) | 4,544 | | OCFC | OceanFirst Financial Corp. | 14.34 May 17 | 0.14 (0.99%) | 21,595 | | OCLR | Oclaro, Inc. | 1.09 May 17 | 0.01 (0.91%) | 653,007 | | OCLS | Oculus Innovative Sciences, Inc. | 4.22 May 17 | 0.32 (8.21%) | 121,945 | | OCZ | OCZ Technology Group, Inc. | 1.18 May 17 | 0.13 (9.92%) | 1,926,883 | | ODFL | Old Dominion Freight Line Inc. | 41.23 May 17 | 0.74 (1.83%) | 379,118 | | OFED | Oconee Federal Financial Corp. | 15.74 May 17 | 0.24 (1.55%) | 100 | | OFIX | Orthofix International N.V. | 26.53 May 17 | 0.01 (0.04%) | 221,470 | | OFLX | OmegaFlex, Inc. | 13.68 May 17 | 0.13 (0.96%) | 2,826 | | OGXI | OncoGenex Pharmaceuticals, Inc. | 10.50 May 17 | 0.08 (0.77%) | 85,257 | | OIIM | O2Micro International Ltd. | 3.52 May 17 | 0.12 (3.53%) | 172,899 | | OINK | Tianli Agritech, Inc. | 0.74 May 17 | 0.04 (5.71%) | 23,222 | | OKSB | Southwest Bancorp Inc. | 13.65 May 17 | 0.14 (1.04%) | 35,855 | | OLBK | Old Line Bancshares Inc. | 12.64 May 17 | 0.05 (0.40%) | 8,630 | | OMAB | Grupo Aeroportuario del Centro Norte, S.A.B. de C.V. | 29.62 May 17 | 0.38 (1.27%) | 11,636 | | OMCL | Omnicell Inc. | 18.81 May 17 | 0.15 (0.80%) | 118,422 | | OMER | Omeros Corporation | 5.14 May 17 | 0.05 (0.98%) | 139,428 | | OMEX | Odyssey Marine Exploration Inc. | 3.18 May 17 | 0.05 (1.55%) | 785,935 | | OMTH | Omthera Pharmaceuticals, Inc. | 7.08 May 17 | 0.23 (3.15%) | 48,962 | | ONCY | Oncolytics Biotech Inc. | 2.64 May 17 | 0.04 (1.49%) | 171,063 | | ONFC | Oneida Financial Corp. | 13.04 May 17 | 0.07 (0.57%) | 2,080 | | ONNN | ON Semiconductor Corp. | 8.27 May 17 | 0.21 (2.61%) | 4,125,143 | | ONTY | Oncothyreon Inc | 1.99 May 17 | 0.02 (1.02%) | 4,975,374 | | ONVI | Onvia Inc. | 4.61 May 16 | 0.00 (0.00%) | 0 | | ONXX | Onyx Pharmaceuticals, Inc. | 95.65 May 17 | 0.30 (0.31%) | 686,966 | | OPAY | Official Payments Holdings, Inc. | 6.54 May 17 | 0.06 (0.94%) | 4,727 | | OPEN | OpenTable, Inc. | 64.05 May 17 | 1.90 (3.06%) | 421,530 | | OPHC | OptimumBank Holdings Inc. | 0.42 May 17 | 0.01 (2.46%) | 33,636 | | OPLK | Oplink Communications, Inc. | 16.60 May 17 | 0.10 (0.61%) | 76,388 | | OPOF | Old Point Financial Corporation | 13.06 May 17 | 0.30 (2.31%) | 437 | | OPTR | Optimer Pharmaceuticals, Inc. | 14.97 May 17 | 0.14 (0.93%) | 1,341,138 | | OPTT | Ocean Power Technologies, Inc. | 1.80 May 17 | 0.03 (1.64%) | 44,031 | | OPXA | Opexa Therapeutics, Inc. | 1.67 May 17 | 0.07 (4.02%) | 168,247 | | ORBC | ORBCOMM, Inc. | 3.62 May 17 | 0.17 (4.93%) | 173,825 | | ORBK | Orbotech Ltd. | 10.22 May 17 | 0.05 (0.49%) | 28,313 | | ORBT | Orbit International Corp. | 3.35 May 17 | 0.05 (1.52%) | 17,606 | | ORCL | Oracle Corporation | 35.03 May 17 | 0.66 (1.92%) | 26,986,845 | | OREX | Orexigen Therapeutics, Inc. | 6.04 May 17 | 0.01 (0.17%) | 688,839 | | ORIG | Ocean Rig UDW Inc. | 17.03 May 17 | 0.13 (0.77%) | 51,530 | | ORIT | Oritani Financial Corp. | 15.87 May 17 | 0.14 (0.89%) | 165,103 | | ORLY | O'Reilly Automotive Inc. | 110.95 May 17 | 0.24 (0.22%) | 619,072 | | ORMP | Oramed Pharmaceuticals Inc. | 8.60 May 17 | 0.11 (1.30%) | 382,349 | | ORRF | Orrstown Financial Services Inc. | 15.88 May 17 | 0.02 (0.13%) | 3,329 | | OSBC | Old Second Bancorp Inc. | 5.69 May 17 | 0.31 (5.76%) | 120,377 | | OSH | Orchard Supply Hardware Stores Corporation | 1.50 May 17 | 0.02 (1.32%) | 111,906 | | OSHC | Ocean Shore Holding Co. | 14.35 May 17 | 0.10 (0.70%) | 300 |
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