Stock market today: Dow rises, S&P 500, Nasdaq slide with Trump-China tensions, Fed's Powell in focus

US equities experienced a volatile Tuesday, with the Dow gaining 0.4% while the Nasdaq slid 0.8%, primarily due to escalating US-China trade tensions following new retaliatory measures and President Trump's threats regarding Chinese imports. Federal Reserve Chair Jerome Powell's speech reinforced market expectations for potential rate cuts, coinciding with the start of Q3 earnings season from major banks. Additionally, Advanced Micro Devices secured a significant AI chip supply deal with Oracle, impacting rival Nvidia, which fell 4.41%.

Analysis

US equities experienced significant divergence and volatility on Tuesday, with the Dow Jones Industrial Average gaining 0.4% while the S&P 500 fell 0.2% and the tech-heavy Nasdaq Composite slid 0.8%. This unsettled market mood, characterized by a moderately negative sentiment score of -0.45, was primarily driven by escalating US-China trade tensions.

Beijing announced fresh retaliatory measures, including sanctions on five US-linked units of Hanwha Ocean, effectively barring Chinese companies from engaging with them. President Trump further exacerbated tensions with a Truth Social post threatening to cease US purchases of Chinese cooking oil and accusing China of an "Economically Hostile Act" regarding soybean purchases, undermining recent hopes for de-escalation despite a scheduled Trump-Xi meeting.

Federal Reserve Chair Jerome Powell's remarks at the NABE annual meeting indicated an unchanged outlook for employment and inflation, reinforcing market expectations for potential future rate cuts. Concurrently, the third-quarter earnings season commenced with reports from major banks like JPMorgan Chase and Goldman Sachs, while Advanced Micro Devices secured a significant deal to supply 50,000 AI chips to Oracle's cloud business.

This AMD-Oracle deal, reflecting a strong positive sentiment for AMD (0.5), directly impacted rival Nvidia, which saw a significant 4.41% decline and a negative sentiment score of -0.6. The broader market's negative sentiment for the Nasdaq (-0.3) reflects concerns over tech sector vulnerability amidst trade friction and specific competitive dynamics in AI, while gold (GLD) rallied with a positive sentiment of 0.4, indicating its role as a safe-haven asset.

Key Decisions for Investors

• Investors should closely monitor US-China trade negotiations and rhetoric, as escalating tensions remain a primary driver of market volatility and could impact global supply chains.
• Evaluate technology sector holdings, particularly in AI, considering competitive shifts such as AMD's significant deal with Oracle and Nvidia's subsequent underperformance.
• Assess portfolio positioning for potential Fed rate cuts, which remain a possibility according to Powell, and consider the continued role of safe-haven assets like gold amidst geopolitical uncertainty.