Among individual movers, SoundHound SOUN rallied 30% after the voice AI platform provider posted a more than 200% leap in second-quarter revenue, to a record $42.7 million. It also raised its full-year midpoint sales outlook to $169 million, up from $167 million. Its loss of 3 cents per share narrowed from the year-earlier quarter.

US stocks trimmed losses on Thursday, finishing mixed after President Trump's sweeping tariffs hit dozens of US trade partners. Meanwhile, Trump also previewed coming chip tariffs, suggesting a carveout that could benefit Big Tech companies.