Zacks Research upgraded shares of CVR Energy (NYSE:CVI – Free Report) from a strong sell rating to a hold rating in a research note issued to investors on Tuesday,Zacks.com reports. Weiss Ratings cut CVR Energy from a “sell (d+)” rating to a “sell (d-)” rating in a research note on Friday, May 15th. Finally, The Goldman Sachs Group started coverage on CVR Energy in a research report on Friday, April 10th. Get CVR Energy alerts:Get Our Latest Stock Report on CVR EnergyCVR Energy Trading Down 6.4%NYSE:CVI opened at $31.21 on Tuesday. Read MoreReceive News & Ratings for CVR Energy Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for CVR Energy and related companies with MarketBeat.com's FREE daily email newsletter.