Elon Musk is officially more wealthy than Warren Buffett. Tesla stock, of which Musk is the largest holder, skyrocketed to record highs this week. Buffett, meanwhile, donated almost $3 billion of Berkshire Hathaway stock, causing his riches to shrink.  Visit Business Insider's homepage for more stories.

Elon Musk's wealth officially surpassed that of Warren Buffett on Friday, according to Bloomberg's Billionaire's Index, fueled by Tesla's skyrocketing stock price and a hefty donation by...

Continue Reading Elon Musk is now officially richer than Warren Buffett after Tesla's stock hits an all-time high (TSLA, BRKA)