Ross Gerber, a prominent Tesla Inc (NASDAQ:TSLA) investor, suggested that the company’s stock decline could be reversed if CEO Elon Musk changes his behavior or is replaced. What Happened: The electric vehicle (EV) manufacturer’s stock has plummeted by over 36% since the beginning of the year due to underwhelming earnings, a lackluster product lineup, and broader market challenges, reported Yahoo Finance on Thursday. “This could turn around very quickly if either Tesla gets a real CEO who’s actually going to help the company, or Elon changes his tune and actually comes back to working at Tesla…