This article was automatically generated by Barrons.com using technology from Automated Insights.

With U.S. stock markets set to open in two hours, Coherent Corp. (COHR) was up 19.3% in pre-market trading, and Applied Optoelectronics Inc. (AAOI) was up 18.9%.

Palantir Technologies Inc. (PLTR), Advanced Energy Industries Inc. $(AEIS)$, and Lumentum Holdings Inc. (LITE) were all posting gains of at least 14%. In early trading, Bruker Corp. $(BRKR)$ and Powell Industries Inc. (POWL) had posted declines, falling 12.2% and 12.2%, respectively.

Meanwhile S&P 500 futures were up 0.21%, with futures for the Dow Jones Industrial Average rising 0.72%. The Cboe Volatility Index futures were down 2.99%.

In commodities news, Brent crude oil futures were down 0.04%, while gold futures were up 0.52%. Bitcoin fell 0.18% to $63,717.

The 10-Year Treasury yield rose to 4.689%.

In the previous regular trading session, the S&P 500 and the Dow were up 1.48% and 1.32%, respectively. Stocks in Asia were up overnight, with Japan's NIKKEI 225 Index up 0.32% and China's Shanghai Composite Index rising 0.33%.

In afternoon trading, stocks in Europe are up, with the STOXX Europe 600 Index rising 0.58% and the FTSE 100 Index rising 0.36% from the previous close.

U.S. stock markets open for trading at 9:30 a.m. ET.

Data source: Dow Jones Market Data, FactSet. Data compiled August 04, 2026.