Zacks #1 Rank Additions for Thursday

Here are the stocks added to the Zacks #1 Rank ("strong buy") List today:

• Advisory Board Co. (ABCO - Snapshot Report)
• Koninklijke Ahold N.V. (AHONY - Analyst Report)
• Alliance Imaging Inc. (AIQ - Snapshot Report)
• Arena Pharmaceuticals Inc. (ARNA - Analyst Report)
• Ariad Pharmaceuticals Inc. (ARIA - Snapshot Report)
• Array BioPharma Inc. (ARRY - Snapshot Report)
• athenahealth Inc. (ATHN - Snapshot Report)
• BearingPoint Inc. (BGPT)
• Black Hills Corp. (BKH - Snapshot Report)
• China North East Petroleum Holding Ltd. (CNEH)
• Church & Dwight Co. Inc. (CHD - Snapshot Report)
• CNS Response Inc. (CNSO)
• Corinthian Colleges Inc. (COCO - Snapshot Report)
• Diamond Foods Inc. (DMND - Analyst Report)
• Dollar Tree Inc. (DLTR - Snapshot Report)
• Domino's Pizza Inc. (DPZ - Snapshot Report)
• Ensign Group Inc. (ENSG - Snapshot Report)
• EnteroMedics Inc. (ETRM - Snapshot Report)
• Equity Lifestyle Properties Inc. (ELS - Snapshot Report)
• Ezcorp Inc. (EZPW - Snapshot Report)
• Gold Reserve Inc. (GRZ - Snapshot Report)
• Harleysville Group Inc. (HGIC - Snapshot Report)
• Horsehead Holding Corp. (ZINC - Snapshot Report)
• Huron Consulting Group Inc. (HURN - Snapshot Report)
• Immucor Inc. (BLUD - Analyst Report)
• INX Inc. (INXI - Snapshot Report)
• j2 Global Communications Inc. (JCOM - Analyst Report)
• Keynote Systems Inc. (KEYN - Snapshot Report)
• Kraft Foods Inc. (KFT - Analyst Report)
• Kratos Defense & Security Solutions Inc. (KTOS - Snapshot Report)
• Liberty Media Corp. (LINTA - Snapshot Report)
• Majesco Entertainment Co. (COOL - Snapshot Report)
• Metabasis Therapeutics Inc. (MBRX - Snapshot Report)
• Midwest Banc Holdings Inc. (MBHI - Snapshot Report)
• Nash-Finch Co. (NAFC - Analyst Report)
• North American Palladium Ltd. (PAL)
• NovaMed Inc. (NOVA - Snapshot Report)
• Onstream Media Corp. (ONSM - Snapshot Report)
• Palatin Technologies Inc. (PTN - Snapshot Report)
• Portugal Telecom SGPS (PT - Snapshot Report)
• Reed's Inc. (REED)
• Repsol YPF SA (REP - Analyst Report)
• Republic Airways Holdings Inc. (RJET - Snapshot Report)
• RLI Corp. (RLI - Analyst Report)
• Sadia SA (SDA)
• Sangamo Biosciences Inc. (SGMO - Analyst Report)
• Scotts Miracle-Gro Co. (SMG - Snapshot Report)
• Seattle Genetics Inc. (SGEN - Snapshot Report)
• SkillSoft Plc. (SKIL - Snapshot Report)
• J.M. Smucker Co. (SJM - Snapshot Report)
• Sony Corp. (SNE - Analyst Report)
• Telefonica SA. (TEF - Analyst Report)
• UQM Technologies Inc. (UQM - Snapshot Report)
• WNS Holdings Ltd. (WNS - Snapshot Report)
• ZymoGenetics Inc. (ZGEN - Snapshot Report)