Wall Street Zen upgraded shares of Smart Powerr (NASDAQ:CREG – Free Report) to a sell rating in a research report report published on Friday. Smart Powerr Stock PerformanceCREG opened at $1.99 on Friday. Smart Powerr has a fifty-two week low of $1.11 and a fifty-two week high of $14.70. Get Smart Powerr alerts:Smart Powerr (NASDAQ:CREG – Get Free Report) last announced its quarterly earnings results on Thursday, August 14th. Featured ArticlesReceive News & Ratings for Smart Powerr Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Smart Powerr and related companies with MarketBeat.com's FREE daily email newsletter.