Big Swings in Biotech Short Interest By: Benzinga via Benzinga October 13, 2014 at 08:32 AM EDT Biotechs continue to prove volatile this year. While Gilead Sciences, Inc. (NASDAQ: GILD) and Illumina, Inc. (NASDAQ: ILMN) saw a ... Read More >> Related Stocks: Gilead Sciences Illumina Inc Vertex Pharmaceuticals