September 8, 2018
In this June 24, 2018, file photo Tesla CEO and founder of the Boring Company Elon Musk speaks at a news conference in Chicago. Shares of electric car maker Tesla Inc. tumbled over 9 percent after the CEO smoked marijuana during a YouTube video. (Kiichiro Sato/AP, File)
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Another executive departure, another controversy over the CEO's behavior, another stock drop.