Duolingo (NASDAQ:DUOL – Get Free Report) was upgraded by equities researchers at UBS Group to a “strong-buy” rating in a note issued to investors on Thursday,Zacks.com reports. Weiss Ratings upgraded shares of Duolingo from a “sell (d+)” rating to a “hold (c-)” rating in a research report on Thursday, June 18th. Based on data from MarketBeat.com, Duolingo presently has a consensus rating of “Hold” and an average price target of $148.12. Get Duolingo alerts:Get Our Latest Stock Report on DUOLDuolingo Price PerformanceShares of NASDAQ DUOL opened at $130.90 on Thursday. Insider ActivityIn other Duolingo news, General Counsel Stephen C. Chen sold 1,977 shares of Duolingo stock in a transaction dated Monday, May 18th.