8-K - ARMSTRONG WORLD INDUSTRIES INC (0000007431) (Filer)
Published . Updated .
8-K - ARMSTRONG WORLD INDUSTRIES filed an 8-K with the SEC on Oct 21 (a notice of a material company event).
Directly affected
- AWI Armstrong World Industries+3.7%
Named in this report.
Indirectly affected
- SPY SPDR S&P 500+1.6%
The broad U.S. stock market
- TLT iShares 20+ Year Treasury Bond-1.8%
Long-term U.S. government bonds
- QQQ Invesco QQQ+2.3%
Large technology stocks
- GLD SPDR Gold Shares-3.3%
Gold can move with the broad market
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| AWI | -1.28% | -0.67% | base | +1.50% | after close | after close | after close |
| SPY | -0.18% | -0.84% | base | -1.18% | after close | after close | after close |
| TLT | -0.31% | -0.97% | base | +1.86% | after close | after close | after close |
| QQQ | +0.41% | -0.96% | base | -2.85% | after close | after close | after close |
| GLD | +0.98% | +0.18% | base | -2.61% | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
Think this story will push the stock up or down over the next three trading days? Make a free call and see what other readers think. Points are play money with no cash value.
Filed: 2026-10-21 AccNo: 0001193125-26-427906 Size: 193 KB Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
Armstrong World Industries (AWI) since “8-K - ARMSTRONG WORLD INDUSTRIES INC (0000007431) (Filer),” compared with the market
| Company | When | Move | Status |
|---|---|---|---|
| Armstrong World Industries (AWI) | that day | +1.50% | final price |
| Armstrong World Industries (AWI) | three days earlier | -0.67% | final price |
| Armstrong World Industries (AWI) | five days earlier | -1.28% | final price |
| GLD | that day | -2.61% | final price |
| GLD | three days earlier | +0.18% | final price |
| GLD | five days earlier | +0.98% | final price |
| QQQ | that day | -2.85% | final price |
| QQQ | three days earlier | -0.96% | final price |
| QQQ | five days earlier | +0.41% | final price |
| SPY | that day | -1.18% | final price |
| SPY | three days earlier | -0.84% | final price |
| SPY | five days earlier | -0.18% | final price |
| TLT | that day | +1.86% | final price |
| TLT | three days earlier | -0.97% | final price |
| TLT | five days earlier | -0.31% | final price |
Who gains and who loses around Armstrong World Industries (AWI)
Companies carried with this story
- AWI Armstrong World Industries
In “8-K - ARMSTRONG WORLD INDUSTRIES INC (0000007431) (Filer),” Armstrong World Industries (AWI) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> AWI
How “8-K - ARMSTRONG WORLD INDUSTRIES INC (0000007431) (Filer)” reaches Armstrong World Industries (AWI)
“8-K - ARMSTRONG WORLD INDUSTRIES INC (0000007431) (Filer)” (21 Oct 2026) reaches Armstrong World Industries (AWI) through this story.
What ties Armstrong World Industries (AWI) to the headline is this: SEC 8-K filing -> direct issuer disclosure -> AWI
Dates and price levels for Armstrong World Industries (AWI)
AWI traded between 159.70 and 170.82 across 20 sessions. The latest close on file is 168.75.
How strong the case is around Armstrong World Industries (AWI)
33 out of 100
“8-K - ARMSTRONG WORLD INDUSTRIES INC (0000007431) (Filer)” scores 33 out of 100. The score uses 1 sources, a +2.68% difference versus the S&P 500 (SPY), and 1 linked companies.