index rules

Close-up of a digital stock market chart representing S&P 500 market resilience during a major IPO.

S&P 500 Rejects SpaceX Fast Track 2026

Learn how the 2026 S&P 500 index rules delay SpaceX’s entry and impact AI companies like OpenAI, shaping passive fund flows and investor strategies.

June 6, 2026 19 min read