Tesla Falls as Musk Says Stock Too High in 2018-Style Tweets (3)

Tesla Inc. shares plunged after Elon Musk said the electric-car maker’s stock is too high in a stream of tweets reminiscent of the posts that securities regulators sued him over in 2018.

The chief executive officer posted more than a dozen times in a span of less than a 75 minutes Friday, claiminghe’s selling “almost all” of his physical possessions and won’t own a house. He also renewed his call for reopening the economy.

Hours later, Tesla’s head of human resources for North America told employees that furloughs will be extended at least another week. The carmaker’s shares fell ...