Iren (IREN) on Monday announced a multiyear cloud-services contract with Microsoft (MSFT) using advanced Nvidia (NVDA) chips. Cipher Mining (CIFR) announced a long-term deal with Amazon (AMZN). Shortly after the open, both IREN and CIFR stocks soared, while other bitcoin miners-turned-AI plays also rallied. Under the agreement, Iren will provide Microsoft with access to Nvidia Blackwell GB 300 GPUs over…
