What happened: Riot Platforms (RIOT) stock surged 9% in early trading on Tuesday. Riot also reported second quarter revenue of $174 million, up 14% year over year, driven by growth in its data center and engineering businesses. What else you need to know: Riot Platforms and other bitcoin miners have increasingly leaned into leasing data center capacity as the crypto industry navigates a "winter" and demand for computing power has skyrocketed. Year-to-date, Riot stock is up 37%. Click here for in-depth analysis of the latest stock market news and events moving stock pricesRead the latest financial and business news from Yahoo Finance