| Symbol | Name | Exchange |
   | OPST | O P T Sciences Corp. | PINK |
| CHUX | O'Charley's, Inc. | NASD |
| OGE/UN.TO | O'Leary Global Equity Income Fund | TSE |
| ORLY | O'Reilly Automotive, Inc. | NASD |
| OICO | O. I. Corp. | NASD |
| OTOD | O2Diesel Corp. | NASD |
| OIIM | O2Micro Intl Ltd. | NASD |
| ORCG | Oak Ridge Capital Group, Inc. | PINK |
| OKME | Oak Ridge Micro-Energy Inc. | NASD |
| OVYB | Oak Valley Community Bank | NASD |
| OAKVX | Oak Value Fund | USMF |
| OARMX | Oakmark | USMF |
| OARBX | Oakmark Equity & Income II | USMF |
| OAKBX | Oakmark Equity and Income Fund Cl I | USMF |
| OAKMX | Oakmark Fund Cl I | USMF |
| OARGX | Oakmark Global | USMF |
| OAKGX | Oakmark Global Fund Class I; a series of Harris Associates Investment Trust | USMF |
| OAKWX | Oakmark Global Select Fund | USMF |
| OARIX | Oakmark International | USMF |
| OAKIX | Oakmark International Fund Cl I | USMF |
| OAKEX | Oakmark International Small Cap Fund Cl I | USMF |
| OARLX | Oakmark Select | USMF |
| OAKLX | Oakmark Select Fund (The) Cl I | USMF |
| OKWHQ | Oakwood Homes Corp. | PINK |
| OYSM | Oasys Mobile, Inc. | PINK |
| OMPI | Obagi Medical Products, Inc. | NASD |
| OBEE | Obees Franchise Systems, Inc. | PINK |
| OBCHX | Oberweis China Opportunities | USMF |
| OBEGX | Oberweis Emerging Growth Fund Portfolio Of Oberweis Micro Cap | USMF |
| OBIOX | Oberweis International Opportunities Fund | USMF |
| OBMCX | Oberweis Micro Cap Portfolio | USMF |
| OBMDX | Oberweis Mid-Cap Portfolio | USMF |
| OBNI | OBN Holdings Inc. | PINK |
| OCNW | Occam Networks, Inc. | NASD |
| OXY | Occidental Petroleum Corp. | NYSE |
| OC.TO | OccuLogix, Inc. | TSE |
| OCCX | OccuLogix, Inc. | NASD |
| OCENY | Oce NV | PINK |
| OBCI | Ocean Bio-Chem, Inc. | NASD |
| OPTT | Ocean Power Technologies Inc. | NASD |
| OCRI | Ocean Resources Inc. | PINK |
| OSHC | Ocean Shore Holding, Co. | NASD |
| $OTPAT | Ocean Tomo 300 Patent Index | INDX |
| OGC.TO | OceanaGold Corp. | TSE |
| OKN | Oceanaut, Inc. | AMEX |
| OKN/U | Oceanaut, Inc. | AMEX |
| OKN/WT | Oceanaut, Inc. | AMEX |
| OII | Oceaneering Intl, Inc. | NYSE |
| OCFC | OceanFirst Financial Corp. | NASD |
| OCNF | OceanFreight Inc. | NASD |
| OCEX | Oceanic Exploration Co. | NASD |
| ORRV | Oceanic Research & Recovery, Inc. | PINK |
| OLI.V | OceanLake Commerce Inc. | CDNX |
| OZM | Och-Ziff Capital Management Group LLC | NYSE |
| OCTL | Octillion Corp. | NASD |
| OCTI | Octus Inc. | NASD |
| OCLS | Oculus Innovative Sciences Inc. | NASD |
| OCN | Ocwen Financial Corp. | NYSE |
| ODDJ | Odd Job Stores, Inc. | PINK |
| ODMO | Odimo Inc. | PINK |
| ODN.V | Odin Mining and Exploration Ltd. | CDNX |
| ODYC | Odyne Corp. | NASD |
| ODSY | Odyssey Healthcare Inc. | NASD |
| OMEX | Odyssey Marine Exploration, Inc. | NASD |
| OOGI | Odyssey Oil & Gas, Inc. | NASD |
| ODE.V | Odyssey Petroleum Corp | CDNX |
| OPIX | Odyssey Pictures Corp. | PINK |
| ORH | Odyssey Re Holdings Corp | NYSE |
| ODX.V | Odyssey Resources Ltd. | CDNX |
| OFEK | Ofek Capital Corp. | PINK |
| ODP | Office Depot, Inc. | NYSE |
| OMX | OfficeMax Inc. | NYSE |
| OSI.TO | Offshore Systems Intl Ltd. | TSE |
| OFB/UN.TO | OFI Income Fund | TSE |
| OGE | OGE Energy Corp. | NYSE |
| OGBY | Oglebay Norton Co. | PINK |
| OART | Ohio Art Co. | PINK |
| OLCB | Ohio Legacy Corp. | NASD |
| OVBC | Ohio Valley Banc Corp. | NASD |
| $WTIC | Oil - Light Crude - Continuous Contract (EOD) | INDX |
| ODC | Oil Dri Corp. Of America | NYSE |
| $XOI | Oil Index - AMEX | INDX |
| $OIX | Oil Index - CBOE | INDX |
| OSM/UN.TO | Oil Sand and Energy Mega-Project Trust | TSE |
| OSF/UN.TO | Oil Sands Sector Fund | TSE |
| OST/PA.TO | Oil Sands Split Trust | TSE |
| OST/UN.TO | Oil Sands Split Trust | TSE |
| $OXH | Oil Service HOLDRS Index - AMEX | INDX |
| OIH | Oil Services Holders | AMEX |
| $OSX | Oil Services Index - Philadelphia | INDX |
| OIS | Oil States Intl | NYSE |
| OIL.TO | Oilexco, Inc. | TSE |
| BQI | Oilsands Quest Inc. | AMEX |
| ODFL | Old Dominion Freight Line, Inc. | NASD |
| OLBK | Old Line Bancshares Inc. | NASD |
| OAHEX | OLD MUTUAL ADV FDS | USMF |
| OBDEX | Old Mutual Analytic Disciplined Equity Fund | USMF |
| OMCAX | Old Mutual Asset Allocation Conservative Fund | USMF |
| OMCCX | Old Mutual Asset Allocation Conservative Fund | USMF |
| OMCGX | Old Mutual Asset Allocation Growth | USMF |
| OMMCX | Old Mutual Asset Allocation Moderate Growth Fund | USMF |
| OMMAX | Old Mutual Asset Allocation ModGr | USMF |
| OAFOX | Old Mutual Barrow Hanley Value A | USMF |
| OBCXX | Old Mutual Cash Reserves Fund | USMF |
| OMINX | Old Mutual Clay Finlay China | USMF |
| OMNAX | Old Mutual Clay Finlay China A | USMF |
| OMNCX | Old Mutual Clay Finlay China C | USMF |
| OMRIX | OLD MUTUAL CLAY FINLAY EMERGING | USMF |
| XOLAX | OLD MUTUAL CLAYMORE LONG SHORT | USMF |
| OBFOX | Old Mutual Clipper Focus Fund | USMF |
| OMIRX | Old Mutual Copper Rock Emerging | USMF |
| OMARX | Old Mutual Copper Rock Emerging Growth Fund | USMF |
| OBFJX | Old Mutual Dwight Intermediate Fixed Income Fund | USMF |
| OCIRX | Old Mutual Dwight Intermediate Fixed Income Fund | USMF |
| OIRAX | Old Mutual Dwight Short Term Fixed Income A | USMF |
| OAEGX | Old Mutual Emerging Growth Fund | USMF |
| OBEHX | Old Mutual Emerging Growth Fund | USMF |
| OBFVX | Old Mutual Focused Fund | USMF |
| OBHGX | Old Mutual Growth Fund | USMF |
| OARTX | Old Mutual Heitman REIT Fund | USMF |
| OBRTX | Old Mutual Heitman REIT Fund | USMF |
| OCRTX | Old Mutual Heitman REIT Fund | USMF |
| OLCPX | Old Mutual Large Cap Growth Concentrated Fund | USMF |
| OSELX | Old Mutual Large Cap Growth Concentrated Fund | USMF |
| OAMJX | Old Mutual Mid Cap Fund | USMF |
| OCCPX | Old Mutual Mid Cap Fund C | USMF |
| OBMEX | Old Mutual Mid-Cap Fund | USMF |
| OMCVX | Old Mutual Mid-Cap Fund | USMF |
| OBHEX | Old Mutual Select Growth Fund | USMF |
| OISWX | Old Mutual Select Value Fund | USMF |
| OBSWX | Old Mutual Small Cap Fund | USMF |
| OSCMX | Old Mutual Small Cap Fund | USMF |
| OSCGX | Old Mutual Small Cap Growth Fund | USMF |
| OSSCX | Old Mutual Strategic Small Company Fund | USMF |
| OBTCX | Old Mutual Technology & Communications Fund | USMF |
| OCOMX | Old Mutual Technology & Communications Fund | USMF |
| OACVX | Old Mutual TS&W Small Cap Value | USMF |
| OCCVX | Old Mutual TS&W Small Cap Value Fund | USMF |
| OSMVX | Old Mutual TS&W Small Cap Value Fund | USMF |
| OLA | Old Mutual/Claymore Long Short Fund | NYSE |
| ONB | Old National Bancorp | NYSE |
| OPOF | Old Point Financial Corp. | NASD |
| ORI | Old Republic Intl Corp. | NYSE |
| OSBC | Old Second Bancorp, Inc. | NASD |
| OSTN | Old Stone Corp. | PINK |
| OWRRX | Old Westbury Real Return Fund | USMF |
| OLN | Olin Corp. | NYSE |
| OLV.V | Olivut Resources Ltd. | CDNX |
| OFAFX | Olstein Financial Alert Adv | USMF |
| OFALX | Olstein Financial Alert Fund | USMF |
| OFSCX | Olstein Strategic Opportunities Fund | USMF |
| ZEUS | Olympic Steel, Inc. | NASD |
| OYM.TO | Olympus Pacific Minerals, Inc. | TSE |
| OOAG | OMDA Oil and Gas Inc. | PINK |
| OMEF | Omega Financial Corp. | NASD |
| OFLX | Omega Flex Inc | NASD |
| OHI/PD | Omega Healthcare Investors, Inc. | NYSE |
| OHI | Omega Healthcare Invs, Inc. | NYSE |
| ONAV | Omega Navigation Ent. | NASD |
| OME | Omega Protein Corp. | NYSE |
| OMGV | Omega Ventures Group Inc. | PINK |
| OMG | OMGroup, Inc. | NYSE |
| OMNI | OMNI Energy Services Corp. | NASD |
| OFSI | Omni Financial Services Inc. | NASD |
| OML.V | Omni-Lite Industries Canada, Inc. | CDNX |
| OCR | Omnicare, Inc. | NYSE |
| OMCL | Omnicell Inc. | NASD |
| OMC | Omnicom Group, Inc. | NYSE |
| OMCM | OmniComm Systems, Inc. | NASD |
| OMTR | Omniture, Inc. | NASD |
| OVTI | OmniVision Technologies, Inc. | NASD |
| OMN | Omnova Solutions Incq | NYSE |
| OMRI | Omrix Biopharmaceuticals Inc. | NASD |
| OMT.V | OMT Inc. | CDNX |
| OMTL | Omtool, Ltd. | NASD |
| ASGN | On Assignment, Inc. | NASD |
| ONNN | ON Semiconductor Corp. | NASD |
| OTIV | On Track Innovations Ltd. | NASD |
| ONT | On2.com, Inc. | AMEX |
| OCOL | Oncolin Therapeutics, Inc. | NASD |
| OCLG | Oncologix Tech Inc. | NASD |
| ONCO | Oncology Med, Inc. | PINK |
| ONC.TO | Oncolytics Biotech, Inc. | TSE |
| ONCY | Oncolytics Biotech, Inc. | NASD |
| ONTY | Oncothyreon Inc. | NASD |
| ONY.TO | Oncothyreon Inc. | TSE |
| OBP.TO | Ondine Biopharma Corp. | TSE |
| $ONE | One | INDX |
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