Bitcoin Miner IREN Shares Jump Over 20% Premarket, Market Cap Hits $16.523 Billion

Bitcoin mining company IREN (NASDAQ: IREN) shares rose over 20% in premarket trading on Nov. 3, lifting its market capitalization to $16.523 billion, BlockBeats reports. The surge followed the company's announcement of a $9.7 billion AI cloud computing contract with Microsoft.