Stock Market: Will S&P 500 Open Up or Down Today?

U.S. stock futures are slightly mixed early Friday as investors digest a broadening AI spending boom and escalating economic warfare rhetoric against Iran.

The Polymarket (CRYPTO: POL) crowd is split, leaning slightly bearish for the Aug. 28 trading session. The “S&P 500 (SPX) Up or Down on August 28?” contract currently reflects a 47% chance of a higher open.

Why That Number Matters Traders are balancing strong tech fundamentals against volatile geopolitical warnings and incoming consumer sentiment data:

Mixed Index Futures: Equity futures are pointing to a mixed open. The Dow Jones futures advanced 0.07%, and Russell 2000 futures rose 0.04%. Conversely, S&P 500 futures fell 0.12%, and Nasdaq 100 futures dropped 0.30%.

Geopolitics & Energy: U.S. Treasury Secretary Scott Bessent escalated his “economic D-Day” campaign, accusing Iran’s “corrupt regime” of funnelin...