Warren questions SpaceX IPO oversight in new letter to exchanges

Senator Elizabeth Warren, a Democrat from Massachusetts, speaks to members of the media in the Senate Subway at the US Capitol in Washington, DC, US, on Tuesday, May 19, 2026. Al Drago | Bloomberg | Getty Images Sen. Elizabeth Warren , D-Mass., is raising concerns about whether recent rule changes at stock indexes cleared the way for SpaceX — and potentially OpenAI and Anthropic — to be included in indexes without some of the typical safeguards for investors. …