U.S. Indexes Closed Up Wednesday; MongoDB Topped Leaders
Aug 27, 2025 16:10:00 -0400 | #MarketsU.S. stock indexes moved upward Wednesday as the rose 0.32%. Meanwhile, the increased 0.24%, and the increased 0.21%.
Small-cap stocks, as per the , increased 0.69%, and the Cboe Volatility Index was up 1.71%.
Among companies with at least $10 billion in market value, MongoDB Inc. (MDB), was the biggest leader during the session, rocketing 37.96%, and EchoStar Corp. (SATS) surged 15.51%. CoreWeave Inc. Cl A (CRWV) rounded out the top three leaders on Wednesday, with shares increasing 6.06%.
Summit Therapeutics Inc. (SMMT) posted the largest decline, declining 8.06%, followed by Paramount Skydance Corp. Cl B (PSKY) shares, which dropped 6.50%. Shares of Heico Corp. Cl A (HEI.A) fell 5.44%.
In commodities news, Brent crude oil futures were down 0.37%, while gold futures were up 0.48%. fell 0.30% to $111,759.
The 10-Year Treasury yield dropped to 4.239%.
Stock indexes in Asia were mixed, with Japan’s NIKKEI 225 Index up 0.30% and China’s Shanghai Composite Index down 1.76%.
In Europe, indexes were mixed, with the STOXX Europe 600 Index increasing 0.10% and the FTSE 100 Index falling 0.11% 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.