Why Singapore keeps turning up in the fight over Nvidia chips and China

Singapore has barred Alice Huang from re-entering the country amid a yearlong investigation into whether Nvidia chips reached China through the city-state, with U.S. authorities offering only limited assistance. The case underscores Singapore's outsized role in the global semiconductor supply chain despite producing no chips itself, as U.S. export controls push scrutiny onto transshipment hubs. The dispute matters because Washington's restrictions on advanced AI chips depend on third countries enforcing them, and gaps in cooperation could complicate enforcement. Watch for further details on the investigation's findings and whether Singapore and U.S. regulators tighten information-sharing on chip flows.