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U.S. Indexes Moved Upward Wednesday; Astera Labs Led Increases

Aug 06, 2025 16:10:00 -0400 | #Markets

U.S. stock indexes climbed Wednesday as the rose 1.21%. Meanwhile, the added 0.73%, and the rose 0.18%.

The of small-cap stocks dropped 0.25%, and the Cboe Volatility Index was down 6.27%.

Among companies with at least $10 billion in market value, Astera Labs Inc. (ALAB), was the biggest leader during the session, rocketing 28.79%, and Shopify Inc. (SHOP) rocketed 21.97%. Arista Networks Inc. (ANET) rounded out the top three leaders on Wednesday, with shares jumping 17.56%.

Super Micro Computer Inc. (SMCI) posted the largest decline, plunging 18.25%, followed by Snap Inc. (SNAP) shares, which tumbled 17.37%. Shares of NRG Energy Inc. (NRG) tumbled 13.54%.

In commodities news, Brent crude oil futures were down 0.39%, and gold futures were down 0.02%. was down 0.06% to $115,216.

The 10-Year Treasury yield climbed to 4.228%.

Stock indexes in Asia were up, with Japan’s NIKKEI 225 Index up 0.60% and China’s Shanghai Composite Index rising 0.45%.

In Europe, indexes were mixed, with the STOXX Europe 600 Index dropping 0.06% and the FTSE 100 Index gaining 0.24% 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.