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S&P 500 Futures Rise in Premarket Trading; Insmed, Birkenstock Holding Lag

Dec 18, 2025 07:30:00 -0500 | #Markets #Morning Movers

With U.S. stock markets set to open in two hours, Micron Technology Inc. (MU) was up 14.1% in pre-market trading, and Sandisk Corp. (SNDK) was up 8.7%.

MACOM Technology Solutions Holdings Inc. (MTSI), lululemon athletica inc. (LULU), and Western Digital Corp. (WDC) were all posting gains of at least 5%. In early trading, Insmed Inc. (INSM) and Birkenstock Holding PLC (BIRK) had posted declines, falling 17.7% and 10.2%, respectively.

Meanwhile S&P 500 futures were up 0.45%, with futures for the Dow Jones Industrial Average rising 0.20%. The Cboe Volatility Index futures were up 12.22%.

In commodities news, Brent crude oil futures were down 0.05%, while gold futures were down 0.43%. rose 1.55% to $87,166.

The 10-Year Treasury yield slipped to 4.145%.

In the previous regular trading session, the and the were down 1.16% and 0.47%, respectively. Stocks in Asia were mixed overnight, with Japan’s NIKKEI 225 Index down 1.03% and China’s Shanghai Composite Index up 0.16%.

In afternoon trading, stocks in Europe are mixed, with the STOXX Europe 600 Index increasing 0.26% and the FTSE 100 Index falling 0.01% from the previous close.

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