Tesla’s ‘Battery Day’ is here. This is what to watch out for

Elon Musk has hyped potential battery breakthroughs in recent weeks, and Tesla’s “Battery Day” event on Tuesday afternoon may bring announcements that propel the company’s hot stock even higher.

Elon Musk has hyped potential battery breakthroughs in recent weeks, and Tesla’s “Battery Day” event on Tuesday afternoon may bring announcements that propel the company’s hot stock even higher.