Tesla's momentum and back-to-back record highs have divided some of the world's most famous investors. Billionaire venture capitalist Chamath Palihapitiya praised the stock's gains in a Thursday appearance on CNBC, telling investors the stock could be worth three times its already lofty valuation. "Don't sell a share," he added. Hedge fund manager Michael Burry - whose bet against the housing market was depicted in the novel and 2015 film "The Big Short" - aired his contrasting opinion Thursday night. The investor tweeted that, like his famous 2008 gambit, his short position in Tesla stands to print huge gains. "Well, my...