Stock market today: Dow, S&P 500, Nasdaq waver amid TSMC's stellar earnings, trade-war jitters

Group 1: Market Overview - US stocks experienced a decline in early gains as investors assessed AI demand signals and ongoing US-China trade tensions [1] - The Nasdaq Composite rose by 0.2%, driven by AI-related stocks like Nvidia, while the S&P 500 and Dow Jones remained relatively flat [1] - Market volatility persisted despite strong quarterly results from Wall Street banks and indications that the Federal Reserve may cut interest rates again this year [3] Group 2: Chip Industry Insights - Chip stocks saw an uptick after TSMC raised its 2025 revenue growth outlook for the second time this year, indicating strong AI demand [2] - TSMC reported a nearly 40% increase in quarterly profit, surpassing estimates and achieving record results, positively impacting Nvidia, Broadcom, Micron, and other AI-related stocks [2] Group 3: US-China Trade Relations - US-China trade tensions were highlighted as President Trump confirmed that the situation remains strained, suggesting a prolonged trade war [4] - Conflicting messages emerged from the administration regarding trade restrictions and potential tariffs, with Trump threatening additional 100% tariffs in November [5] - The ongoing US government shutdown, now in its third week, is expected to continue into November, affecting economic data availability for the Fed and Wall Street [5]