Synageva Shares Soar 116% On Buyout Deal With Alexion Pharmaceuticals By: Benzinga via Benzinga May 06, 2015 at 10:30 AM EDT Synageva Biopharma Corp (NASDAQ: GEVA) shares more than doubled Wednesday when the company agreed to be acquired for cash and stock ... Read More >> Related Stocks: Alexion Pharmaceuticals Macy's