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U.S. Indexes Closed Up Friday; Illumina Topped Leaders

Oct 31, 2025 16:10:00 -0400 | #Markets

U.S. stock indexes rose Friday with the rising 0.61%. Meanwhile, the gained 0.26%, and the gained 0.09%.

The of small-cap stocks gained 0.65%, and the Cboe Volatility Index was up 2.25%.

Among companies with at least $10 billion in market value, Illumina Inc. (ILMN), was the biggest leader during the session, rocketing 24.78%, and Twilio Inc. Cl A (TWLO) jumped 19.56%. First Solar Inc. (FSLR) rounded out the top three leaders on Friday, with shares surging 14.28%.

DexCom Inc. (DXCM) posted the largest decline, tumbling 14.63%, followed by Houlihan Lokey Inc. Cl A (HLI) shares, which tumbled 10.14%. Shares of InterDigital Inc. (IDCC) declined 8.68%.

In commodities news, Brent crude oil futures were down 0.17%, and gold futures were down 0.08%. was down 0.18% to $109,572.

The 10-Year Treasury yield fell to 4.098%.

Stock indexes in Asia were mixed, with Japan’s NIKKEI 225 Index up 2.12% and China’s Shanghai Composite Index down 0.81%.

In Europe, indexes were mixed, with the STOXX Europe 600 Index flat and the FTSE 100 Index declining 0.44% from the previous close.

U.S. stock markets close for trading at 4 p.m. ET. For regular updates on the trading day, visit Barron’s.

Editor’s Note: This story was auto-generated by Automated Insights, an automation technology provider, using data from Dow Jones and FactSet. See our market data terms of use.