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.

Wall Street was poised to open with gains on Thursday as U.S. stock index futures rose signaling fresh momentum for Wall Street, on signs that major tech firms may sidestep President Donald Trump's latest chip import tariffs.

S&P 500 futures are up 0.4%. Dow Jones Industrial Average futures are adding 0.3%. Nasdaq 100 futures are gaining 0.5%. On Wednesday, the Dow Jones Industrial Average rose 81 points, or 0.18%, to 44193,