(Bloomberg) -- MicroStrategy Inc. bought another $1.5 billion in Bitcoin, the fourth consecutive weekly purchase announced by the crypto hedge fund proxy. Most Read from BloombergRiyadh Metro Partially Opens in Bid to Ease City’s Traffic JamsIn Traffic-Weary Toronto, a Battle Breaks Out Over Bike LanesThe Tysons Corner, Virginia-based firm acquired 15,400 tokens from Nov. 25 through Dec. 1, according to an US Securities and Exchange Commission filing. The firm has purchase over $13.5 billion sin