Tesla deliveries more than doubled year over year in Q2.Rising demand for electric vehicles could benefit Tesla.Investors should exercise caution when it comes to analysts' price targets.It's been a wild year for Teslastock. When the year started, shares initially surged more than 20%. But the stock has now given up all of those gains, with a year-to-date return of negative 1%. This means the stock has significantly underperformed the S&P 500's 18% gain this year.In February,Piper Sandler analys