Morning Market Gainers By: Benzinga via Benzinga June 01, 2015 at 10:16 AM EDT ImmunoGen, Inc. (NASDAQ: IMGN) shares surged 58.32 percent to $14.22 following a report that IMGN853 demonstrated notable single ... Read More >> Related Stocks: Exelixis Inc Immunogen Inc Kratos Defns Sina Corp Supercom Ltd