Back to News
Jun 1, 2026 4:00 AM

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

The major stock indexes closed out May at fresh record highs, capping a triumphant month of gains fueled by relentless tech momentum and softer-than-expected inflation data.

Investors heading into June are greeted by a significantly calmer geopolitical backdrop, as West Texas Intermediate (WTI) crude futures finished the week down roughly 9% amid ongoing, constructive peace negotiations between the U.S. and Iran.  The June 1 Polymarket contract implied a 80% probability that the benchmark index would open higher on Monday, compared with a 20% chance of a downward open.

Why That Number Matters

The market’s attention is shifting from wartime volatility to corporate and macroeconomic fundamentals. On Monday, Nvidia Corp. (NASDAQ:NVDA) CEO Jensen Huang will deliver a highly anticipated keynote address at Computex Taipei, injecting fresh optimism into the artificial intelligence (AI) and computing sectors ahead ...