Elon Musk sent shockwaves through the stock market this week when he announced plans to go private.<br /><br />Business Insider reports the stock surged more than 10% following his cryptic tweet. And investors on Robinhood may have cashed out following the rise.<br /><br />Data from the free stock trading app show roughly 7,400 investors ditched the stock in the past week. That's the biggest rout of any equity on the brokerage. <br />
