Benzinga's Top #PreMarket Losers By: Benzinga via Benzinga January 12, 2016 at 08:27 AM EST Qiagen NV (NASDAQ: QGEN) shares fell 3.15 percent to $22.42 in pre-market trading after the company issued a weak full-year outlook. ... Read More >> Related Stocks: Gw Pharma ADR Mead Johnson Nutrition Occidental Petroleum VF Corp