Kosmos Energy Ltd. (NYSE:KOS – Get Free Report)’s stock price gapped down before the market opened on Monday . Kosmos Energy shares last traded at $2.59, with a volume of 2,942,285 shares. Wall Street Zen upgraded Kosmos Energy from a “sell” rating to a “hold” rating in a report on Saturday, May 9th. Finally, Weiss Ratings lowered Kosmos Energy from a “sell (d)” rating to a “sell (d-)” rating in a report on Wednesday, May 6th. Recommended StoriesReceive News & Ratings for Kosmos Energy Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Kosmos Energy and related companies with MarketBeat.com's FREE daily email newsletter.