Rivian (NASDAQ:RIVN) stock is sliding lower on Friday after UBS analysts hit the electric vehicle (EV) company’s shares with a double downgrade this morning.UBS analyst Joseph Spak dropped shares of RIVN stock from a “buy” rating to a “sell” rating. That’s below the analysts’ consensus rating of hold for RIVN shares based on 23 opinions.With that downgrade comes a decreased price target. This saw the analyst cut the firm’s price prediction from $24 per share to just$8 per share. That’s a potential 30.1% dr ...