Story perspectives

SpaceX, AI IPOs Join Indexes, Retirees Warned of Volatility

6/10/2026

Summary

Story summary

SpaceX, Anthropic and OpenAI IPOs will join market indexes with limited weights, capping their immediate impact.
Vanguard CIO Rodney Comegys says float-adjusted indexing will keep 401(k) effects small, while the S&P 500 blocks SpaceX’s inclusion for 12 months despite Elon Musk’s request.
Retirees near retirement may fear short-term volatility from SpaceX’s index entry, which USAA advice director Mikel Van Cleve addresses by recommending funds and bonds to offset market swings.

1 of 1

Story summary

SpaceX, Anthropic and OpenAI IPOs will join market indexes with limited weights, capping their immediate impact.
Vanguard CIO Rodney Comegys says float-adjusted indexing will keep 401(k) effects small, while the S&P 500 blocks SpaceX’s inclusion for 12 months despite Elon Musk’s request.
Retirees near retirement may fear short-term volatility from SpaceX’s index entry, which USAA advice director Mikel Van Cleve addresses by recommending funds and bonds to offset market swings.