Nvidia Earnings, Fed Policy Signals and Strong GDP Data Lift U.S. Stocks Higher This Week

The Quick Take

• Nvidia's earnings set near-term expectations for the AI semiconductor sector ahead of AMD, Broadcom and TSMC reporting seasons
• Stronger-than-expected GDP data reduces Fed rate-cut probability, pressuring fixed-income allocations and long-duration equity valuations
• PCE inflation data arriving next week that will refine Fed rate-decision timing at the September FOMC meeting

U.S. equity markets closed the week higher, driven by three convergent catalysts: Nvidia's quarterly earnings that reaffirmed the AI infrastructure investment cycle, Federal Reserve communication signalling a patient approach to further rate cuts without triggering a risk-off reaction, and GDP data that came in above consensus expectations, indicating the U.S. economy is absorbing elevated interest rates without significant demand destruction. The SeekingAlpha weekly market summary captured the constructive tone as investors digested all three data points together, with the S&P 500 extending its recovery from late-summer volatility.

Nvidia's earnings were the centrepiece of market attention, providing fresh evidence that data-centre spending by hyperscalers on AI training and inference hardware remains robust despite growing debate about return on investment from generative AI products. The Federal Reserve's messaging reinforced a higher-for-longer stance that the market appears to have accepted as a manageable backdrop for equity valuations, provided earnings growth continues. GDP strength adds to the soft-landing case, which typically supports cyclical and financial sector performance alongside technology-led market leaders in the broader index.

Looking into the coming week, attention turns to PCE inflation data as the cleanest signal of whether the Fed has room to ease before year-end, and to analyst revisions to Nvidia price targets that typically arrive in the days after earnings. The macro backdrop entering September is arguably the clearest since early 2026: growth is solid, inflation is trending lower and AI investment is demonstrably real. The primary risk scenario involves a surprise inflation print or a crack in consumer spending data that would reopen the rate-cut debate and introduce volatility into a market positioned for continued gradual gains.

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