Tesla investor calls for $15 billion stock buyback after share price falls
Tesla CEO Elon Musk is trying to buy Twitter and manage multiple companies at the same time.James Glover II | ReutersBillionaire Leo Koguan, who claims to be the third largest individual shareholder of Tesla stock, is calling on the carmaker to announce a $15 billion stock buyback as the company's share price continues to fall.In a tweet to Martin Viecha, Tesla's senior director of investor relations, Koguan said the company should immediately announce that it plans to buy back $5 billion of Tesla shares this year and $10…