Tesla’s stock closed higher Tuesday for the fifth straight day, a remarkable and sustained rally that has recaptured a quarter of the value it lost in the last three months. It may not last.

Tesla stock had its best day since Trump won the presidential election. Shares rose almost 12% Monday, handing Tesla its longest winning streak since December and its best four-day stretch since mid-November,

The electric car maker's shares are bouncing back in a big way -- but there's a good reason to stay skeptical.