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The Trading Day · Thursday, November 5, 2026

AI Trade — Kospi Falls 5.3%, SK Hynix 9.5% and Advantest 14.7% After Qualcomm; Hong Kong Rises 3.5%

Asia is where the AI trade shows first each morning, and this morning it sold it hard. Korea's Kospi never traded above Wednesday's close, fell as much as 6.1% and closed down 5.28% at 5,383.80; the selling set off the exchange's automatic curb on program sell orders, Investing.com reported. SK Hynix fell 9.5% and Samsung Electronics 7.6%. In Tokyo, Advantest lost 14.7% and Tokyo Electron 9.4%, and Taiwan's index fell 3.2%. Money did not leave the region: Hong Kong's Hang Seng rose 3.5% and India's Nifty 50 2.2%.

The Morning 10

AI Trade — Kospi Falls 5.3%, SK Hynix 9.5% and Advantest 14.7% After Qualcomm; Hong Kong Rises 3.5%

  1. 1 AI Trade in Asia — Kospi falls 5.3% and never trades higher; Hong Kong and India rise
  2. 2 Asia's AI Bellwethers — Advantest −14.7%, SK Hynix −9.5%, Tokyo Electron −9.4%; TSMC holds
  3. 3 Europe's AI Infrastructure — Siemens Energy −8.0%, Prysmian −6.9% on Wednesday while the STOXX 600 rose 1.8%
  4. 4 Qualcomm, Arm, AppLovin — chips sold after hours, AppLovin +22.8%
  5. 5 Wednesday in Brief — Dow +3.0%, the average stock beats the index; power stocks sink
  6. 6 US Futures — Nasdaq −0.95%, Dow +0.4%; the same split as Wednesday
  7. 7 Bonds, Gold, Bitcoin and Oil — TLT back above 81.50, gold 4,129, Brent −8.7% on Wednesday
  8. 8 AI Indices — Rubin −4.5% back under its line, AW40 +2.9%
  9. 9 Earnings Grades — Apple over its paid line, Palantir under its sold line; four new windows
  10. 10 Today — Bank of England 12:00 UTC, jobless claims 13:30 UTC; Cloudflare, JFrog, AAOI and IREN report

The Midday 10

AI Build-Out — Chip Stocks Sink 8%, Nasdaq Drops 4% and the Fear Gauge Jumps 43%

  • 1 The indices — Nasdaq down 4%, the fear gauge up 43%
  • 2 Chips — AMD sinks 13.5% two days after beating
  • 3 Data-center connections — Astera Labs drops 15.9%

Daily Pulse — AI Fade — Health and IT Services Lead

The Rubin 100, our index of AI hardware makers, closed on Wednesday 33.9% under its 22 June high. Over the same period our two other indices split in two. AI Users closed at a record 1,034.79, up 19.1%. IT services rose 40.5%, research and drug development 35.1%, med devices 27.4% to a record, and exchanges, payments and food also rose. Nuclear, energy transition and space fell 24% to 34%, in step with Rubin. On Rubin's 40 worst days this year, IT services rose 31 times and food 29 times. If the fade lasts to year end, we watch health care, IT services, exchanges and everyday consumer names.

On the tape

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