Bitcoin hits all-time high as Tesla invests $1.5 bn & plans to accept it for payments

World's richest man Elon Musk's electric carmaking company Tesla has invested $1.5 billion in cryptocurrency Bitcoin, company filings showed on Monday. Tesla also said it plans to begin accepting the cryptocurrency as a form of payment. The world's largest cryptocurrency, Bitcoin, was trading at an all-time high of over $44,000 after Tesla's announcement.