Bitcoin mining firms are transforming their energy-hungry facilities into AI data centers, chasing stable contracts and higher returns as crypto profitability wanes.

Cipher, Terawulf, Iris Energy, Hive and Bitfarms surged in September. Despite squeezed margins and a 1 zetahash milestone, ...

Leading was a 22% gain for Bitfarms (BITF), while shares of Cipher Mining (CIFR) rose 20%. IREN (IREN), Hut 8 (HUT), Riot Platforms (RIOT) and TeraWulf (WULF) were up mid-teens percentages.