Palantir stock has dropped 12% over the last two days, their worst two-day stretch since May of 2024. Federal Reserve Gov. Lisa Cook gave one of the bluntest warnings an official at the central bank ...

Anthropic, the Amazon -backed artificial-intelligence start-up, is in talks to raise $2 billion in a deal that would value it at $60 billion, according to people familiar with the matter.

Cathie Wood-led Ark Invest made notable trades involving Palantir Technologies Inc. (PLTR) and Amazon.com Inc. (AMZN).

Wood says these companies will transform industries, but their volatility causes significant swings in ARK funds' values.