S&P 500 futures slipped 0.3% to 7,546.25 as of 7:46 a.m. in New York on Wednesday, tracking declines in European markets. The pullback extended a recent bout of volatility driven by escalating tensions in the Middle East. Investors remained cautious ahead of several key economic data releases later this week, including the latest initial jobless claims.

Middle East developments, including reports of strikes in the region, fueled safe-haven demand for U.S. Treasuries. The yield on the 10-year note fell to 4.12%, pressuring rate-sensitive sectors like real estate and utilities. Energy stocks saw mixed action as crude prices edged higher on supply concerns.

Major premarket decliners included salesforce after a broker downgrade and united airlines following a cautious industry outlook. Conversely, nvidia gained modestly amid sustained optimism over artificial intelligence infrastructure spending. The broad-based retreat underscored fragile sentiment as the earnings season winds down.