Computer chipmaker Nvidia's blockbuster quarterly earnings are boosting investor confidence in the AI revolution and the tech sector at large.

A big rally for stocks that began in Asia lost steam amid uncertainty about what will happen next after a U.S. court blocked many of President Donald Trump’s tariffs.

Stocks closed modestly higher, pulled up by Nvidia’s earnings, while bond yields fell. Investors are losing some of their jumpiness over tariff uncertainty. A rally that started early in the day sparked by a court decision invalidating most of the Trump administration’s tariffs ran out of steam late in the day,