| Symbol |
Company Name |
| O |
Realty Income Ord Shs |
| OB |
OneBeacon Insurance Group Ltd |
| OBAS |
Optibase Ltd |
| OBCI |
Ocean Bio-Chem Inc |
| OC |
Owens Corning |
| OCCF |
Optical Cable Corp |
| OCCX |
OccuLogix Inc |
| OCFC |
OceanFirst Financial Corp |
| OCLS |
Oculus Innovative Sciences Inc |
| OCN |
Ocwen Financial Corp |
| OCNW |
Occam Networks Inc |
| OCR |
Omnicare Ord Shs |
| ODC |
Oil Dri Cp Amer Ord Shs |
| ODFL |
Old Dominion Freight Line Inc |
| ODP |
Office Depot Inc |
| ODSY |
Odyssey Healthcare Inc |
| OEH |
Orient Express Hotels Ltd |
| OESX |
Orion Energy Systems Inc |
| OFC |
Corporate Office Properties Trust Ord Shs |
| OFG |
Oriental Financial Group Ord Shs |
| OFI |
Overhill Farms Inc |
| OFIX |
Orthofix International NV |
| OFLX |
Omega Flex Inc |
| OFSI |
Omni Financial Services Inc |
| OGE |
OGE Energy Corp |
| OHB |
Orleans Homebuilders Inc |
| OHI |
Omega Healthcare Ord Shs |
| OI |
Owens Illinois Ord Shs |
| OII |
Oceaneering International Inc |
| OIIM |
O2Micro International Ltd |
| OIS |
Oil States International Inc |
| OKE |
Oneok Inc |
| OKS |
ONEOK PARTNERS LP |
| OKSB |
Southwest Bancorp Inc |
| OLBK |
Old Line Bancshares Inc (Marylnd) |
| OLCB |
Ohio Legacy Corp |
| OLGC |
Orthologic Corp |
| OLN |
Olin Corp |
| OLP |
One Liberty Properties Inc |
| OMC |
Omnicom Group Inc |
| OMCL |
Omnicell Inc CA |
| OME |
Omega Protein Corp |
| OMEF |
Omega Financial Corp |
| OMEX |
Odyssey Marine Exploration Inc |
| OMG |
OM Group Inc |
| OMGI |
Orion Marine Group Inc |
| OMI |
Owens & Minor Ord Shs |
| OMN |
OMNOVA Solutions Inc |
| OMNI |
OMNI Energy Services Corp |
| OMPI |
Obagi Medical Products Inc |
| OMRI |
Omrix Biopharmaceuticals Inc |
| OMTR |
Omniture Inc |
| OMX |
OfficeMax Inc |
| ONAV |
Omega Navigation Enterprises Inc |
| ONB |
Old National Bancorp |
| ONCY |
ONCOLYTICS BIOTECH INC |
| ONFC |
Oneida Financial Corp |
| ONI |
Oragenics Inc |
| ONNN |
ON Semiconductor Corp |
| ONSM |
Onstream Media Corp |
| ONT |
On2 Technologies Inc |
| ONTY |
Oncothyreon Inc |
| ONVI |
Onvia Inc |
| ONXX |
Onyx Pharmaceuticals Inc |
| OPK |
Opko Health Inc |
| OPLK |
Oplink Communications Inc |
| OPMR |
Optimal Group Inc |
| OPNT |
Opnet Technologies inc |
| OPOF |
Old Point Financial Corp |
| OPTC |
Optelecom-NKF Inc |
| OPTM |
Optium Corp |
| OPTR |
Optimer Pharmaceuticals Inc |
| OPTT |
Ocean Power Technologies Inc |
| OPTV |
OpenTV Corp |
| OPWV |
Openwave Systems Inc |
| OPXA |
Opexa Therapeutics Inc |
| OPXT |
Opnext Inc |
| OPY |
Oppenheimer Holdings Inc |
| ORA |
Ormat Technologies Inc |
| ORB |
Orbital Sciences Corp |
| ORBC |
ORBCOMM Inc |
| ORBK |
Orbotech Ltd |
| ORBT |
Orbit International Corp |
| ORCC |
Online Resources Corp |
| ORCH |
Orchid Cellmark Inc |
| ORCL |
Oracle Corp |
| ORCT |
Orckit Communications Ltd |
| OREX |
Orexigen Therapeutics Inc |
| ORGN |
Origen Financial Ord Shs |
| ORH |
Odyssey Re Holdings Ord Shs |
| ORI |
Old Republic International Corp |
| ORIT |
Oritani Financial Corp |
| ORS |
Orsus Xelent Technolgies Inc |
| OSBC |
Old Second Bancorp Inc |
| OSCI |
Oscient Pharmaceuticals Corp |
| OSG |
Overseas Shipholding Group Inc |
| OSHC |
Ocean Shore Holding Co |
| OSIP |
OSI Pharmaceutical Ord Shs |
| OSIR |
Osiris Therapeutics Inc |
| OSIS |
OSI Systems Inc |
| OSK |
Oshkosh Truck Corp |
| OSKY |
MidWestOne Financial Group Inc |
| OSP |
OSG America L P |
| OSTE |
Osteotech Inc |
| OSTK |
Overstock.com Inc |
| OSUR |
OraSure Technologies Inc |
| OTD |
O2Diesel Corp |
| OTE |
Hellenic Telecom Depository Receipt |
| OTEX |
OPEN TEXT CORP |
| OTIV |
OTI ON TRACK INNOVATIONS LTD |
| OTTR |
Otter Tail Ord Shs |
| OUTD |
Outdoor Channel Holdings Inc |
| OVBC |
Ohio Valley Banc Corp |
| OVEN |
TurboChef Technologies Inc |
| OVRL |
Overland Storage Inc |
| OVTI |
OmniVision Technologies Inc |
| OWW |
Orbitz Worldwide Inc |
| OXM |
Oxford Industries Inc |
| OXPS |
optionsXpress Holdings Inc |
| OXY |
Occidental Petroleum Corp |
| OYOG |
OYO Geospace Corporation |
| OZM |
Och Ziff Capital Management Group |
| OZN |
OREZONE RESOURCES INC |
| OZRK |
Bank of the Ozarks Inc |