The hype around speculative stocks hit bubble levels last quarter, David Einhorn said in a letter. Einhorn's Greenlight Capital teased a big, mystery position that it's still building.

Simply sign up to the Artificial intelligence myFT Digest -- delivered directly to your inbox. Hedge fund Elliott Management has told investors that Nvidia is in a “bubble”, and the artificial ...

Hedge fund Elliott Management recently sent a letter to investors warning them away from crypto. It urged clients to remember that crypto is a speculative market, suggested that the White House ...