U.S. stocks ended slightly higher on Thursday as shares of Nvidia gained after its quarterly results, while investors digested a late-afternoon court ruling that reinstated the most sweeping of President Donald Trump's tariffs.

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

An appeals court ruled President Donald Trump can continue to levy tariffs while challenging a court order that had blocked them, a quick reversal that allows Trump to keep wielding his trademark economic tool in the short term.