Topic
Trading in US-listed shares and the benchmark indexes that track them, including daily session moves, sector breadth and turnover.
Nasdaq Composite fell 2.15% on Oct. 16 as worries about AI data center debt hit chip and cloud stocks. The credit evidence for that story is firmer than the oil evidence, and the two reports disagree on how far chips fell.
Reality
Healthcare led the S&P 500 up 0.33% on Thursday as Treasury yields fell and AI-linked shares sold off. The Labor Department put September producer prices up 1.3% against a 0.6% forecast, yet the 10-year yield's session low was still 5.037%.
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US stocks had their worst day since July on October 14, the Nasdaq down 1.9% and the S&P 500 down 1.1%, after September CPI hit 3.7% against 3.6% expected. That was the S&P 500's fifth loss in six sessions since its record, so the print hit a market already selling.
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The FT's Katie Martin says the S&P 500 without its AI component has fallen 7% since the end of August while the index itself hit a record. On her account, stocks, real estate and infrastructure are one AI position under different labels.
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JPMorgan, Goldman Sachs and Citi report Tuesday, then inflation data lands Wednesday and Thursday. Per CNBC, FactSet has S&P 500 third-quarter earnings on track for 29.6% growth, and the open question is executives' tone on fuel and borrowing costs.
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S&P 500's bull market turns four on October 12 with a 117% gain, the sixth-best since World War Two. Its next leg depends on whether a few AI-heavy companies, now a far larger share of the index, can show their data-center spending pays.
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S&P 500 stocks hit a record on tech gains as Goldman Sachs forecast that Nvidia and Micron would supply a third of the index's third-quarter earnings growth. That leaves the season's headline growth rate dependent on two chip suppliers.
Reality
Tech heavyweights including Nvidia, Meta and Microsoft lifted the Nasdaq about 1% to a record on Monday as the 10-year Treasury yield rose to 5.31%. The Dow's much smaller gain puts the rally in a few large stocks, which held up while long-term yields rose even as the odds of a Fed hike fell.
Reality
July CPI at 0.1% and flat PPI took the near-term rate scare off the table. What is left holding up records above 7,800 is a bet on how long GPUs stay useful.
Perspective Coverage
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Kiwoom's S&P 500 Momentum ETF replaced 54 of its 99 holdings in one scheduled rebalance, putting Apple on top at 9.23%, dropping Nvidia and Broadcom, and raising Intel and AMD to 4.89% each.
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The index gained 13 to 16 percent from January 2025 to January 2026. That is between 54 and 66 percent of the 24.1 percent it posted in the same window of 2017, and it came off a base two consecutive 20 percent years had already lifted.
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Brent rose 6% to $107 with routes through Hormuz and the Red Sea disrupted, and the 30-year Treasury yield reached its highest in more than 19 years. Traders now put the odds of a hike on Wednesday at 70%.
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