SpaceX enforces IPO restrictions on Hong Kong and China to comply with US arms export rules, impacting investor access.

China tightens overseas stock investing rules, restricting access to US equities amid SpaceX and Anthropic IPO-driven demand.

S&P Global said Thursday it was not changing the requirements for entry into its major indices, dealing a setback to the IPO plans of Elon Musk's SpaceX.

SpaceX's website and IPO marketing documents are inaccessible in Hong Kong and mainland China, potentially limiting investor participation in its $75 billion listing. An "Error…