U.S. stocks closed lower on Sept. 9 as AI-disruption concerns pressured software shares and Middle East tensions weighed on sentiment, although semiconductor, optical-module and energy stocks gained. The BIT (Bit.com) account reported the S&P 500 down 0.34%, the Nasdaq Composite down 0.21% and the Dow Jones Industrial Average down 0.52%, while MSX reported declines of 0.58%, 0.32% and 1.18%, respectively. The CNN Money Fear and Greed Index fell to 40.5 from 42.3, remaining in Fear. Intel, AMD and Qualcomm advanced, BNC surged 50.43% to $5.25, and Bloom Energy rose about 10% after confirmation of its S&P 500 inclusion before Sept. 21. Investors awaited producer-price data Thursday and consumer-price data Friday, with headline CPI expected at 3.4% and core CPI at 2.4%.