U.S. stock index futures slipped on Wednesday after a sharp rally in the previous session, when easing tariff tensions boosted sentiment, as investors focused on AI bellwether Nvidia's upcoming earnings and developments on the trade front.

US stock futures are slightly up ahead of Nvidia Corp.’s earnings as investors waited to gauge the impact of the trade war and outlook for artificial intelligence.

U.S. stock index futures edged higher Tuesday evening, buoyed by optimism ahead of Nvidias earnings report and a combination of positive trade and economic developments. Futures gains followed a strong session on