FBR Capital Downgrades AmerisourceBergen To Market Perform By: Benzinga via Benzinga November 21, 2014 at 08:18 AM EST Analysts at FBR Capital downgraded AmerisourceBergen (Holding Co) (NYSE: ABC) from Outperform to Market Perform. The price target for ... Read More >> Related Stocks: AmerisourceBergen Corp