Brandon Bell/Getty ImagesTesla stock hit a record high for a fifth straight day on Tuesday.The latest rally has been driven by bullish Wall Street sentiment and price target upgrades.Analysts cite easing autonomous driving regulations and Trump's policies as key growth factors for Tesla.Tesla stock hit a new all-time high for the fifth day in a row on Tuesday, surging as much as 5% to $483.99.Gains have continued to roll in for Tesla stock since President-elect Donald Trump won a second term as president.