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JMP Securities Downgrades Volcano Corp. (VOLC) to Market Perform Nov 1, 2011 08:00AM
Notable Analyst Rating Changes 04/08: (AER) (CVS) (BJ) Upgraded; (SWY) (CLX) (COST) Downgraded Apr 8, 2011 10:51AM
JMP Starts AMMD, VOLC, CSII at Outperform, BEAT, BSX at Market Perform Sep 16, 2010 09:22AM