12:19 PM EDT, 05/26/2026 (MT Newswires) -- US equity indexes traded mixed, with technology leading sector charts amid declining government bond yields and mixed crude oil futures, while efforts continued to end the war against Iran.

The Nasdaq Composite rose 0.9% to 26,585.2, with the S&P 500 up 0.5% to 7,512.1 after midday Tuesday. The Dow Jones Industrial Average fell 0.3% to 50,446.3. Both the Nasdaq and the S&P 500 hit fresh all-time highs earlier in the session.

Micron Technology's ( MU ) market capitalization touched $1 trillion for the first time after several bullish analyst reports. Shares traded 16% higher after midday, making them the top performers on the S&P 500 and the Nasdaq.

While peace talks between Iran and the US are underway with help from countries such as Qatar and Pakistan, the US on Monday launched defensive attacks on what it said were missile-launching sites in Iran. The strikes come as the warring countries continue negotiations to end the three-month war and reopen the Strait of Hormuz, the chokepoint for about a fifth of global crude oil flows.

US Treasury yields fell, with the 10-year down 6.8 basis points to 4.5% and the two-year lower by 5.9 basis points to 4.07%.

West Texas Intermediate crude oil futures dropped 2.3% to $94.35, while Brent crude futures jumped 4.3% to $100.45.