Exane BNP Paribas upgraded shares of United Microelectronics (NYSE:UMC – Free Report) to a strong-buy rating in a report released on Wednesday morning,Zacks.com reports. Weiss Ratings restated a “hold (c-)” rating on shares of United Microelectronics in a research note on Wednesday, October 8th. BNP Paribas Exane cut shares of United Microelectronics from a “neutral” rating to an “underperform” rating and set a $8.60 target price for the company. Get United Microelectronics alerts:Read Our Latest Report on UMCUnited Microelectronics Stock PerformanceUMC opened at $10.57 on Wednesday. Further ReadingReceive News & Ratings for United Microelectronics Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for United Microelectronics and related companies with MarketBeat.com's FREE daily email newsletter.