At least $1 billion worth of Nvidia’s advanced artificial intelligence processors were shipped to China in the three months after Donald Trump tightened chip export controls, exposing the limits of Washington’s efforts to restrain Beijing’s high-tech ambitions.A Financial Times analysis of dozens of sales contracts, company filings, and multiple people with direct knowledge of the deals reveals that Nvidia’s B200 has become the most sought-after—and widely available—chip in a rampant Chinese black market for American semiconductors.The processor is widely used by US powerhouses such as OpenAI, Google, and Meta to train their latest AI systems, but banned for sale to China.Read full articleComments