Coinspeaker TSLA Stock Down 0.32% on Thursday as Elon Musk Delays Release of Tesla Roadster SportscarTesla (TSLA) stock prices dropped at the end of the trading day yesterday after Elon Musk indicated that the production of the Roadster sportscar will be delayed.TSLA Stock Down 0.32% on Thursday as Elon Musk Delays Release of Tesla Roadster Sportscar