LK - Luckin Coffee plunges 43% in reopen May, 20 2020 07:05 AM Luckin Coffee In the first few minutes of premarket trading, Luckin Coffee (NASDAQ:LK) plunges 43.05% to $2.46 on volume of over 834K.More news on: Luckin Coffee Inc., Consumer stocks news, Stocks on the move, Read more ...