Nvidia, Broadcom Among Tech Stocks to Sink on DeepSeek Threat

1. Broadcom shares fell approximately 17% amid AI competition from DeepSeek. 2. DeepSeek's AI model operates on less advanced chips, challenging U.S. tech overvaluation. 3. Nvidia and other chipmakers also experienced significant stock declines due to competition. 4. The launch raises concerns about Big Tech's spending and the valuation of tech stocks. 5. Despite setbacks, analysts suggest U.S. companies retain an edge in advanced chip access.