US lawmakers have summoned the former CEO of Nvidia following allegations of an affair with a suspected spy. The scandal has led to a significant drop in Nvidia's market valuation, with nearly half a trillion dollars erased. The situation has raised national security concerns and created uncertainty within the AI industry. The investigation comes amid growing scrutiny of tech companies' ties to foreign intelligence. Lawmakers are examining whether the relationship could have compromised sensitive information. The affair reportedly involved a foreign national linked to intelligence services. The incident has sparked broader questions about data security and corporate accountability. The AI sector is now facing increased regulatory pressure as governments seek to protect critical technologies. The case highlights the challenges of balancing innovation with national security interests. The outcome could set a precedent for how tech firms are held accountable for potential security breaches.