Headline: Broadcom (AVGO) Stock Dips 4% Amid AI Chip Sales Uncertainty

[Para 1: The Lead] Broadcom (AVGO) stock trades down 4% in afternoon trading, impacted by heightened uncertainty over when major companies can resume large-scale sales of high-end AI chips to China. The U.S. government extended its review of export license applications for AI hardware, creating market volatility. [Para 2-3: Supporting details & Context] The U.S. government's extended review of export licenses for AI hardware, including Nvidia's H200 chips, on national security grounds, has caused uncertainty for chipmakers. Some Chinese customers have postponed orders until clearer guidance is issued, stalling progress for major exporters reliant on China as a significant market. Broadcom's shares, already down 11.4% year-to-date, now trade 25.4% below their 52-week high. This move indicates the market considers today's news meaningful but not a fundamental shift in Broadcom's business perception.