8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)
Published . Updated .
8-K - QUEST DIAGNOSTICS filed an 8-K with the SEC on Oct 22 (a notice of a material company event).
Directly affected
- DGX Quest Diagnostics
Named in this report.
Indirectly affected
- SPY SPDR S&P 500
The broad U.S. stock market
- TLT iShares 20+ Year Treasury Bond
Long-term U.S. government bonds
- QQQ Invesco QQQ
Large technology stocks
- GLD SPDR Gold Shares
Gold can move with the broad market
Price reaction, T-5 to T+3
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: 2026-10-22 AccNo: 0000947871-26-000941 Size: 187 KB Item 8.01: Other Events
Source: sec-edgar
The price since 22 Oct 2026: Quest Diagnostics (DGX) versus the S&P 500
| Company | When | Move | Status |
|---|---|---|---|
| Quest Diagnostics (DGX) | three days earlier | -1.67% | final price |
| Quest Diagnostics (DGX) | five days earlier | +0.10% | final price |
| GLD | three days earlier | +0.18% | final price |
| GLD | five days earlier | +0.98% | final price |
| QQQ | three days earlier | -0.96% | final price |
| QQQ | five days earlier | +0.41% | final price |
| SPY | three days earlier | -0.84% | final price |
| SPY | five days earlier | -0.18% | final price |
| TLT | three days earlier | -0.97% | final price |
| TLT | five days earlier | -0.31% | final price |
Members of Congress who traded Quest Diagnostics (DGX) near this story
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who is named in “8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)”
Companies carried with this story
- DGX Quest Diagnostics
Quest Diagnostics (DGX) is linked, with no stored direction, high confidence in the 22 Oct 2026 story “8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> DGX
How “8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)” reaches Quest Diagnostics (DGX)
The 22 Oct 2026 story “8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)” names Quest Diagnostics (DGX) because of this story.
For Quest Diagnostics (DGX), the reason on file says SEC 8-K filing -> direct issuer disclosure -> DGX
Dates and price levels for Quest Diagnostics (DGX)
DGX traded between 225.80 and 240.47 across 20 sessions. The latest close on file is 236.92.
How strong the case is around Quest Diagnostics (DGX)
14 out of 100
“8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.