Major U.S. stock indexes achieved solid gains last week, with the Nasdaq Composite rising 2.2% to record highs, though market breadth narrowed as small caps and equal-weight ETFs underperformed. Berkshire Hathaway reported a 34% surge in Q3 operating earnings and a record $381 billion cash hoard, while investors await key earnings from Palantir, Robinhood, AMD, and AppLovin this week. Individual stocks like MongoDB (+7.9%) and Eli Lilly (+4.5% post-earnings) showed strength. Concurrently, the 10-year Treasury yield climbed 10 basis points to 4.10%, and OPEC+ agreed to a modest December oil production hike before pausing further increases through Q1 2026 due to oversupply concerns.
Major U.S. stock indexes posted weekly gains, with the Nasdaq Composite climbing 2.2% to record highs, yet market breadth significantly narrowed. Small-cap stocks, represented by the Russell 2000, declined 1.4%, and equal-weight ETFs like RSP slumped 1.7%, indicating a concentrated rally. The 10-year Treasury yield also rose 10 basis points to 4.10%, potentially increasing borrowing costs. Corporate earnings provided mixed signals, with Berkshire Hathaway reporting a robust 34% year-over-year increase in Q3 operating earnings and a record $381 billion cash hoard, exceeding estimates. Conversely, several major ETFs, including IGV (-0.4%), ARKK (-0.4%), and XLF (-1.4%), experienced declines, reflecting sector-specific weaknesses. Key earnings from Palantir, Robinhood, AMD, AppLovin, and Astera Labs are anticipated this week, which will be critical for market direction. Despite the mixed market, specific stocks demonstrated strong performance and actionable buy signals. MongoDB surged 7.9% into a defined buy zone, while Eli Lilly rallied 4.5% post-earnings, rebounding from its 21-day line. The article also highlights an intensifying AI spending boom, positioning companies like Palantir and AMD as central to this theme, despite AMD's slightly negative per-ticker sentiment.
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