Futures tumbled after markets rallied on a Trump tariffs delay. AI chip play Marvell dived on earnings. JD.com soared. Palantir fell.

Chinese tech giant Alibaba said its latest AI reasoning model, QwQ-32B, "rivals cutting-edge reasoning model, e.g., ...

Nvidia's stock is now trading well below the price-to-earnings (P/E) multiple it has averaged over the past three years. It's ...