Tesla shares are about to take a turn for the worse: Piper Jaffray
Tesla shares are about to take a turn for the worse: Piper Jaffray. The stock has tumbled more than 17 percent this year with losses accelerating last week following a mediocre reception to its Model Y unveiling. You've been backing and filling since," Craig Johnson, chief market technician at Piper Jaffray, said Friday on CNBC's "Trading Nation." "To me, it looks like we're going to come back down and retest the lower end of this price channel, confirm it before you can do any sort of tactical trading opportunity with these shares," said Johnson.