Riot Blockchain, a Bitcoin miner, has attracted a second activist investor, D.E. Shaw, following a previous investment by ...

As attention on Chinese startup DeepSeek and its artificial-intelligence model led to a $1 trillion wipeout in the U.S. stock ...

Bitcoin miner Riot Platforms (RIOT) finds itself a target of a second activist investor, with Reuters reporting investment ...

Leveraging the Earth's magma to sustainably power the future of blockchain technology.

NEW YORK (Reuters) - Investment firm D.E. Shaw has built a position in Riot Platforms and may push it to make changes, two ...