Natixis Bleichroeder Downgrades Quidel Corp. (QDEL) to Hold Feb 22, 2011 12:10PM
Natixis Bleichroeder Upgrades Quidel Corp (QDEL) to Buy; Ominous 3Q10 Does Not Change Our 2011 View Oct 12, 2010 02:11PM
Quidel (QDEL) Shares Rallying as Natixis Bleichroeder Issues Intraday Upgrade Oct 12, 2010 01:57PM