The controversy surrounding Nvidia is deepening, with business ties linked to Alice Huang coming under scrutiny. Firms reportedly connected to her are said to have backed Chinese AI startup DeepSeek and allegedly offered access to Nvidia's advanced chips despite US sanctions. Who was behind Megaspeed, how did its network operate, and what were its links to China's AI industry? Wall Street Journal reporter Stu Woo joins NDTV to examine the connections.