SAN FRANCISCO -- Tesla shares dropped nearly 9 percent after the New York Times reported stress is taking a heavy toll on CEO Elon Musk.[br /][br /]In the devastating report, Musk told the Times he has been working up to 120 hours a week and taking Ambien to get to sleep.[br /]
[br /]Musk created a stir last week when he tweeted that he wanted to take Tesla private.[br /][br /][b]RELATED: [url HREF="https://abc7news.com/business/elon-musk-shakes-tesla-investors-fans-of-the-company-with-one-tweet/3903760/[br /]" TARGET="" REL=""]Elon Musk shakes Tesla investors, fans of company with one tweet[/url][/b][br /][br /]Tesla closed at $305 a share, down 30 points Friday.[br /]