Updates prices

By Twesha Dikshit and Utkarsh Hathi

May 26 (Reuters) - U.S. stock index futures rose to record highs on Tuesday, catching up after a public holiday, as optimism in AI-related stocks offset some concerns over Middle East peace talks following recent U.S. strikes on Iran.

Iran's Tasnim news agency reported that Tehran is seeking the release of $24 billion of Iranian funds frozen overseas in the deal that's being negotiated with the U.S.

U.S. Secretary of State Marco Rubio said on Tuesday the deal could "take a few days," while President Donald Trump said in a Truth Social post on Monday that talks with Iran were going "nicely."

"Investors still appear willing to buy dips on the assumption that the conflict ultimately de-escalates," said Daniela Hathorn, senior market analyst at Capital.com.

Brent crude oil rose as much as 2% and global stocks wavered as uncertainty lingered over whether a deal would be reached to open up shipping flows through the Strait of Hormuz.

Semiconductor stocks, which have surged on AI-driven demand, led gains in premarket trading. Marvell Technology MRVL.O rose 5.4%, Micron MU.O climbed 6.3%, while Intel INTC.O, and Qualcomm QCOM.O added 2.9% and 3%, respectively.

At 06:34 a.m., Dow E-minis YMcv1 were up 273 points, or 0.54%, and S&P 500 E-minis EScv1 were up 58.25 points, or 0.78%. Nasdaq 100 E-minis NQcv1 were up 342.5 points, or 1.16%.

Wall Street has been trading at record highs, with upbeat earnings and confidence in AI trade driving equities higher despite the ongoing conflict with Iran.

The blue-chip Dow .DJI became the last index to hit a record high on Friday, its first since the Iran war began, while the S&P 500 .SPX posted its best winning streak since December 2023.

With the earnings season nearly over, first-quarter earnings growth is expected to be 29% year-on-year compared with the 16.1% estimated a month ago, according to LSEG data from Friday.

Kevin Warsh was sworn in as chair of the Federal Reserve on Friday. His appointment comes amid growing concerns about inflation, driven by higher oil prices, which have added to expectations of tighter global monetary policy.

Markets currently expect the Fed to keep rates on hold for the rest of the year, with a 25 bps rate hike seen in December.

U.S. consumer confidence data for May is expected later in the day, with higher gasoline prices due to the Middle East conflict expected to weigh on consumer sentiment.

Among early movers, Joyy JOYY.O jumped 12% after the Chinese social live-streaming platform posted first-quarter revenue above expectations.

Pony AI's PONY.O shares climbed 11.1% after the company said it plans to expand its robotaxi fleet.