Benzinga's Top #PreMarket Losers

Qiagen NV QGEN shares fell 3.15 percent to $22.42 in pre-market trading after the company issued a weak full-year outlook. GW Pharmaceuticals PLC- ADR GWPH shares fell 2.11 percent to $55.12 in pre-market trading after declining 5.93 percent on Monday. Mead Johnson Nutrition CO MJN shares fell 0.38 percent to $70.28 in pre-market trading after dropping 3.49 percent on Monday. Occidental Petroleum Corporation OXY fell 0.36 percent to $61.00 in pre-market trading. Jefferies downgraded Occidental Petroleum from Buy to Hold. IHS Inc IHS shares fell 0.25 percent to $109.00 in pre-market trading. HIS reported better-than-expected earnings for the fourth quarter, but the company's revenue missed analysts' estimates.