It's reasonable to expect that Musk might need to sell off some stock to cover the purchase. Though the amount of the sell-off is five times the amount of cash Musk will need to pony up.<p>It's also not unreasonable that Musk might sacrifice some attention to his car company, though it's unclear just how much magic he brings on a day-to-day basis.<p>Overreactions are not unusual in the stock market, especially in highly volatile ones.<p>Disclaimer: long TSLA