Nvidia (NVDA.US) CEO Jensen Huang opined that the US export controls on Chinese AI chips are futile, as Chinese companies are applying self-developed technologies.The US Department of Commerce had issued guidelines last week, alerting companies of the risks of violating US export controls when using Chinese chips. Related NewsRetail Sales YoY for Apr in China is 5.1%, lower than the previous value of 5.9%. The forecast was 5.5%.A spokesperson for the Chinese Ministry of Commerce responded by stating that the US actions severely undermine the consensus reached during high-level US-China talks in Geneva, urging the US to correct its mistakes.Huang noted that Nvidia's market share in China has shrunk to 50% from 95% since the beginning of US President Joe Biden's term. (Real-time Streaming US Stocks Quote; Except All OTC quotes are at least 15 minutes delayed.)