Shares of Amyris (AMRS) sink 10.9% premarket after Deutsche Bank downgrades to Hold and Morgan...

|By:, SA News Editor

Shares of Amyris (AMRS) sink 10.9% premarket after Deutsche Bank downgrades to Hold and Morgan Stanley takes its rating down to Equal-weight. The company held a business update call earlier where management removed its 2012 guidance and announced that it will raise capital.