Premarket stock futures this morning: Dow +0.18%, S&P 500 +0.25%, Nasdaq +0.32%. Traders highlight resilience in mega-cap stocks despite macro headwinds, as bargain hunters step back into high-growth tech counters. Investor sentiment has shifted back toward risk aversion, just a day after equities posted gains. While previous shutdowns have had limited impact on markets, some analysts warned that the current episode could be more disruptive given the delicate economic backdrop. The S&P 500 rose 0.41% to finish at 6,688.46, while the Nasdaq Composite gained 0.31% to end at 22,660.01. The Dow Jones Industrial Average climbed 81.82 points, or 0.18%, to end the day at 46,397.89, a new closing high. Premarket stock futures show a classic risk-on mood: Nasdaq +0.36%, S&P +0.25%, Dow +0.22%. Analysts expect tech growth to fuel intraday momentum, with energy holding support on resilient commodity prices.