US Stock Market: SpaceX IPO sparks debate over index inclusion rules and investor risk (opens original article in a new tab)

SpaceX's stock market debut has triggered discussions about how major indexes should handle the inclusion of large, newly listed companies, with Nasdaq and S&P 500 taking different approaches, potentially affecting investor returns and risk profiles.

• SpaceX's stock listing sparks debate on index inclusion rules for mega-cap companies
• Nasdaq included SpaceX in Nasdaq-100 while S&P 500 excluded it, showing different approaches to growth and conservatism
• Diverging methodologies between index providers may lead to varied performance for benchmark indexes