Generation Bio Co. (NASDAQ:GBIO – Get Free Report) saw a large decline in short interest in the month of January. Weiss Ratings reissued a “sell (d-)” rating on shares of Generation Bio in a research note on Thursday, January 22nd. Get Generation Bio alerts:Get Our Latest Report on Generation BioInstitutional Investors Weigh In On Generation BioGeneration Bio Stock PerformanceA number of hedge funds and other institutional investors have recently made changes to their positions in GBIO. As a group, sell-side analysts expect that Generation Bio will post -1.75 EPS for the current year. Further ReadingReceive News & Ratings for Generation Bio Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Generation Bio and related companies with MarketBeat.com's FREE daily email newsletter.