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US stocks CPI shock: SPY posts -0.4%!

TL;DR

SPY returned -0.4% on the November 10, 2026 CPI release day. Sector results were mixed, and the earlier weeks tell a different story.

**The release-day decline was not the whole story**

SPY, an that tracks a broad stock , ed -0.4% on the November 10, 2026 release day.

Glossary
ETF
An exchange-traded fund holds a basket of investments and trades on an exchange like a stock.
index
A measure that tracks a selected group of investments.
return
The percentage gain or loss over a stated period.
CPI
The Consumer Price Index measures changes in prices paid by consumers.
Index funds fell together on CPI release day
DIA had the smallest decline; IWM had the largest.
Data table
nameretseries_role
道瓊工業指數 ETF(DIA)-0.3%negative
標普 500 指數 ETF(SPY)-0.4%negative
那斯達克 100 指數 ETF(QQQ)-0.7%negative
羅素 2000 小型股 ETF(IWM)-0.7%negative

QQQ and IWM also fell that session, while DIA had the smallest decline among the funds shown.

Across the supplied monthlong comparison ending on the release day, QQQ posted a return of -5.3%.

IWM returned 4.3% over that same monthlong comparison, so its release-day decline sat alongside gains across the broader comparison period.

**A falling market did not mean every sector fell**

How far apart were the strongest and weakest sector funds on release day?

Show answer

1.7 pp The gap between the strongest and weakest sector funds was 1.7 pp on November 10, 2026. That means percentage points: the distance between their percentage returns, not another fund's gain.

Financials ETF (XLF) led the measured sector funds with a release-day return of 0.5% on November 10, 2026.

Financials gained while technology slipped
The sector results were mixed, not a market-wide retreat.
Data table
nameretseries_role
金融類股 ETF(XLF)0.5%positive
能源類股 ETF(XLE)0.4%positive
通訊服務類股 ETF(XLC)0.4%positive
醫療保健類股 ETF(XLV)0.3%positive
必需消費類股 ETF(XLP)0.2%positive
非必需消費類股 ETF(XLY)0.0%positive
工業類股 ETF(XLI)-0.1%negative
不動產類股 ETF(XLRE)-0.1%negative
公用事業類股 ETF(XLU)-0.1%negative
原物料類股 ETF(XLB)-0.2%negative
科技類股 ETF(XLK)-1.2%negative

Technology ETF (XLK) finished last with a return of -1.2% in that same session.

Energy and communication services also gained during the release-day session, alongside declines elsewhere in the sector chart.

For you, the practical distinction is between a broad market result and the separate results of funds focused on different businesses.

**The economic backdrop needs its own date label**

The available data runs through November 9, 2026, before the CPI release.

Glossary
Treasury yield
The annual rate of return implied by a government bond's price and payments.

The long-term Treasury yield stood at 4.88% on November 9, 2026.

That reading describes the bond market before the announcement, not a measured bond-market response to the announcement.

For the missing comparison month, the release states: 「The Oct 2025 data values are not available due to the 2025 lapse in appropriations.」

Risks

  • A single session's move is often noise rather than a lasting signal.
  • Markets respond to expectations, not just the announced figures.
  • Economic releases are revised; the first reading is not final.

Sources

  1. FinMind USStockPrice QQQ — data as of 2026-11-11; fetched 2026-11-12 00:31 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  2. FinMind USStockPrice DIA — data as of 2026-11-11; fetched 2026-11-12 00:31 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  3. FinMind USStockPrice IWM — data as of 2026-11-11; fetched 2026-11-12 00:31 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  4. FinMind USStockPrice SPY — data as of 2026-11-11; fetched 2026-11-12 00:31 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  5. FinMind USStockPrice XLB — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  6. FinMind USStockPrice XLC — data as of 2026-11-11; fetched 2026-11-12 00:31 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  7. FinMind USStockPrice XLE — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  8. FinMind USStockPrice XLF — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  9. FinMind USStockPrice XLI — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  10. FinMind USStockPrice XLK — data as of 2026-11-11; fetched 2026-11-12 00:31 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  11. FinMind USStockPrice XLP — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  12. FinMind USStockPrice XLRE — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  13. FinMind USStockPrice XLU — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  14. FinMind USStockPrice XLV — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges
  15. FinMind USStockPrice XLY — data as of 2026-11-11; fetched 2026-11-12 00:32 UTC; License note: FinMind open data; original source TWSE/TPEx or US exchanges