Benzinga's Top #PreMarket Losers

fell 7.67 percent to $7.70 in pre-market trading after the company reported a proposed offering of common stock.

shares declined 7.59 percent to $5.97 in pre-market trading. Kepler Cheuvreux analyst Bernd Laux downgraded the rating on AIXTRON from Hold to Reduce, while reducing the price target from EUR7 to EUR5.

shares dropped 0.22 percent to $151.97 in pre-market. Analysts at UBS downgraded Amgen from Buy to Neutral and lowered the target price from $185 to $165.

shares tumbled 0.03 percent to $85.96 in pre-market trading after falling 1.13 percent on Wednesday.