Shares of bitcoin mining companies rose together on expectations of expanding artificial intelligence infrastructure. As Wall Street strength centred on semiconductors continued, miners with power-intensive infrastructure regained attention as beneficiaries of AI and high-performance computing demand. TeraWulf climbed as much as 17 percent on news tied to a Kentucky data centre acquisition site, while Hut 8, IREN and Riot Platforms gained more than 5 percent at the close. Bernstein said 11 listed miners hold about 27 GW of power portfolios.

Alcoa, the largest aluminium producer in the United States, is seeking to sell an idled smelter site in upstate New York to a bitcoin mining company. CoinDesk reported on April 18 that Alcoa is coordinating a plan to transfer the closed smelter property to New York Digital Investment Group. Alcoa CEO Bill Oplinger said talks are well advanced and he expects the deal to be completed by mid-year.