The US chipmaker, Nvidia, has experienced a significant financial blow after announcing an independent investigation into the extramarital affair of its CEO, Jensen Huang, with an alleged Chinese spy. This revelation resulted in a 6% drop in the company's shares on Monday. Reports suggest that US intelligence officials believe Alice Huang (Huang Le), managing director of Singaporean company Megaspeed, had ties to Beijing's espionage campaign. However, China has denied these claims. Despite no evidence suggesting Nvidia's secrets or national security have been compromised, the firm's board of directors will initiate an investigation due to recent reports indicating Jensen Huang was targeted by foreign intelligence efforts. The US Congress has also requested Jensen Huang to appear for a closed-door briefing on his interactions with Alice Huang and Nvidia's security protocols around espionage. Concerns have arisen over the potential impact on Nvidia if Jensen Huang were removed from the company due to his significant role in developing AI technologies and the lack of a clear successor. Despite the investigation, prominent figures such as Elon Musk and US President Donald Trump have expressed support for Jensen Huang to continue leading Nvidia. The stock market opened positively on Monday, but Nvidia's shares saw a sell-off, with approximately $250 billion being wiped off the company's market value. The investigation and its outcome will be closely monitored by investors, potentially impacting not only those who directly own Nvidia shares but also those with investments in index tracking funds that hold stakes in the company. Nvidia chips have been a significant focus of the AI race between the US and China, and previous White House actions indicate potential future implications for the company's operations.