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Every indicator on the site, by theme, each with its chart. Tap one to open it; this week's brief is here.

Stocks

Chart
Tech's worst week since June broke the market's narrow leadership; record profits are the main support left.
  • The Nasdaq-100 fell 5.5% this week to 29,188 (Oct 16); tech against the whole market fell 3.6%, about three times its usual week.
  • The driver is debt: worry that AI companies reliant on borrowing cannot keep spending at multi-year-high yields; twenty big AI stocks shed over $1 trillion.
  • Corporate profits growth of 26.6% (Q2) is the best since Q2-2021 and margins of 13.1% a record; the VIX at 20.0 is anxious, not stormy.
  • The Shiller CAPE at 40.6 (September) is more than double its long-run average near 17, a level that has preceded below-average decade returns.
Nasdaq sinks more than 2% as investors raise questions about AI debt · Nvidia, AMD, Dell sink in global tech rout on AI funding worries · Nasdaq slides 2% Friday to post worst week since June
US stock market (S&P 500) 10/22/26 7,663 +13.7% 1Y Tech-heavy stocks (Nasdaq-100) 10/22/26 28,959 +15.4% 1Y Market fear gauge (VIX) 10/23/26 19.6 +19.8% 1Y US mid-size companies 10/22/26 $72.8 +12.4% 1Y US small companies 10/22/26 $138.6 +16.9% 1Y Developed-world stocks (ex-US) 10/22/26 $69.3 +16.5% 1Y Emerging-market stocks 10/22/26 $56.8 +5.9% 1Y Shiller CAPE (10-year P/E) September 2026 40.6 +5.2% 1Y Earnings yield on 10-year profits (CAPE) September 2026 2.46% -13 bps 1Y Stocks' real extra return over TIPS September 2026 Lowest since the data begins (2003) -0.47% -126 bps 1Y Private equity (listed funds) 10/22/26 $57.20 -11.2% 1Y Tech-heavy stocks against the whole market 10/22/26 169 +1.5% 1Y Corporate profits growth Q2-2026 Highest since Q2-2021 26.6% +2,745 bps 1Y Corporate profit margins Q2-2026 Highest since the data begins (1947) 13.1% +211 bps 1Y