[NVIDIA's Performance Fails to Ease AI Concerns, U.S. Stocks Open Lower] Jin10 Data, February 26 – U.S. stock markets opened lower as NVIDIA's performance, though better than expected, failed to alleviate investor concerns about the disruptive risks posed by artificial intelligence and the sustainability of profit growth for major tech companies. NVIDIA, the largest-weighted stock in the S&P 500 Index, saw its share price drop by over 3%. 'This year is a cyclical bull market, and capital is no longer confined to large-cap stocks but is expanding into other sectors. Therefore, investors must actively adjust their asset allocation to adapt to the constantly changing market sector trends,' wrote Craig Johnson, Chief Market Technician at Piper Sandler, in a report. Additionally, as NVIDIA increased its commitments related to supply, memory and storage stocks rose in price. SanDisk's stock price increased by 2%.