Why Tesla’s Battery Day Will Actually Live Up to the Hype

Elon Musk will likely announce his EVs have finally become as cheap as conventional cars

Illustration: Ariel Davis

In the midst of a pandemic-led slump for the global auto industry, shares of the world’s carmakers are down — except for Tesla’s, whose stock has quintupled, including 74% last month alone. Even after a 34% plunge in its…