| Company and Fund Index - Ar (1/2) |
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| Arabian American Dev Co | ARSD | Quote | News | Profile | Research | Insider | |
| Aracruz Celulose SA | ARA | Quote | News | Profile | Research | Msgs | |
| Aradigm Corp | ARDM.OB | Quote | News | Profile | Research | Msgs | Insider |
| ARANKA GOLD INC. (Tier2) | ARK.V | Quote | News | ||||
| ARAPAHO CAPITAL CORP. (Tier1) | AHO.V | Quote | |||||
| Arawak Energy Corp Com Npv | ABG.TO | Quote | News | ||||
| Arawak Energy Ltd | AAK.TO | Quote | |||||
| Arbinet-Thexchange | ARBX | Quote | News | Profile | Research | Msgs | Insider |
| Arbios Systems Inc | ABOS.OB | Quote | News | Profile | Insider | ||
| Arbitron Inc | ARB | Quote | News | Profile | Research | Msgs | Insider |
| Arbor Entech Corp | ARBE.OB | Quote | News | Insider | |||
| Arbor Realty Trust | ABR | Quote | News | Profile | Research | Msgs | Insider |
| Arc Resources Exchangeable Shs | ARX.TO | Quote | News | ||||
| Arc Wireless Solutns | ARCW | Quote | News | Profile | Research | Insider | |
| Arcade Acq Corp Unit | ACDQU.OB | Quote | Insider | ||||
| Arcade Acq Corp Wt | ACDQW.OB | Quote | |||||
| Arcade Acquisition | ACDQ.OB | Quote | News | Profile | |||
| Arcadia Resources | KAD | Quote | News | Profile | Research | Msgs | Insider |
| ARCAN RESOURCES LTD (Tier1) | ARN.V | Quote | News | ||||
| Arcelor Mittal New | MT | Quote | News | Profile | Research | Msgs | |
| Arch Capital Grp L | ACGL | Quote | News | Profile | Research | Msgs | Insider |
| Arch Chemicals Inc | ARJ | Quote | News | Profile | Research | Msgs | Insider |
| Arch Coal Inc | ACI | Quote | News | Profile | Research | Msgs | Insider |
| ARCHANGEL DIAMOND CORP. (Tier2) | AAD.V | Quote | News | ||||
| Archer Balanced Fund | ARCHX | Quote | Profile | ||||
| Archer Daniels Mdlnd | ADM | Quote | News | Profile | Research | Msgs | Insider |
| Archon Corp | ARHN.OB | Quote | News | Profile | Insider | ||
| ARCHON MINERALS LTD. (Tier2) | ACS.V | Quote | |||||
| Arcsight, Inc. | ARST | Quote | News | Profile | Research | Insider | |
| Arctic Cat Inc | ACAT | Quote | News | Profile | Research | Msgs | Insider |
| ARCTIC STAR DIAMOND CORP. (Tier | ADD.V | Quote | News | ||||
| ARCTURUS VENTURES INC. (Tier2) | AZN.V | Quote | |||||
| ARCUS DEVELOPMENT GROUP INC (Ti | ADG.V | Quote | News | ||||
| Ardea Biosciences | IBPI | Quote | Msgs | ||||
| Ardea Biosciences | RDEA | Quote | News | Profile | Research | Insider | |
| Arden Group Cl A | ARDNA | Quote | News | Profile | Research | Msgs | Insider |
| Ardent Acquisition | AACQ.OB | Quote | Insider | ||||
| Ardent Acquisitn Ut | AACQU.OB | Quote | Insider | ||||
| Ardent Acquisitn Wt | AACQW.OB | Quote | |||||
| Ardmore Holding Corp | AHLN.OB | Quote | News | Insider | |||
| Ardnet Mines Ltd | ADNT.OB | Quote | News | Profile | Insider | ||
| Arehada Mining Ltd Com Npv | AHD.TO | Quote | News | ||||
| Arena Pharmaceutic | ARNA | Quote | News | Profile | Research | Msgs | Insider |
| Arena Resources | ARD | Quote | News | Profile | Research | Msgs | Insider |
| Ares Capital Corp | ARCC | Quote | News | Profile | Research | Msgs | Insider |
| Ares Capital Rights | ARCCR | Quote | |||||
| Argan Inc | AGX | Quote | News | Profile | Research | Insider | |
| ARGENTA OIL & GAS INC (Tier2) | AZA.V | Quote | News | ||||
| Argentex Mining Corp | AGXM.OB | Quote | News | Insider | |||
| ARGENTEX MINING CORPORATION (Ti | ATX.V | Quote | News | ||||
| Argo Group International Hlds | AGII | Quote | News | Profile | Research | Msgs | Insider |
| Argon St, Inc. | STST | Quote | News | Profile | Research | Msgs | Insider |
| Argyle Security Inc | ARGL.OB | Quote | News | Profile | Insider | ||
| Argyle Security Ut | ARGLU.OB | Quote | Research | Insider | |||
| Argyle Security Wt | ARGLW.OB | Quote | |||||
| Ari Network Svcs | ARIS.OB | Quote | News | Profile | Research | Insider | |
| Ariad Pharm Inc | ARIA | Quote | News | Profile | Research | Msgs | Insider |
| ARIAN SILVER CORPORATION (Tier2 | AGQ.V | Quote | News | ||||
| Ariba Inc | ARBA | Quote | News | Profile | Research | Msgs | Insider |
| Ariel Appreciation Fund | CAAPX | Quote | News | Profile | |||
| Ariel Focus Fund | ARFFX | Quote | Profile | ||||
| Ariel Fund | ARGFX | Quote | Profile | ||||
| Ariel Way Inc | AWYI.OB | Quote | News | Profile | Research | Insider | |
| Aries Maritime Trans | RAMS | Quote | News | Profile | Research | Msgs | |
| ARIES RESOURCE CORP. (Tier2) | AES.V | Quote | |||||
| Arise Tech Corp(The Company) | APV.TO | Quote | News | ||||
| Aristotle Cp | ARTL | Quote | News | Profile | Research | Msgs | Insider |
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