---
title: "Quest Diagnostics Inc. Stock Outperforms Competitors On Strong Trading Day"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/295143636.md"
description: "Quest Diagnostics Inc. (DGX) shares rose 1.13% to $238.50, outperforming competitors like UnitedHealth and IQVIA during a broader market decline. This marks the stock's third consecutive day of gains, closing just short of its 52-week high. Trading volume remained below the 50-day average."
datetime: "2026-08-06T21:02:10.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/295143636.md)
  - [en](https://longbridge.com/en/news/295143636.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/295143636.md)
generator: "portal-rs"
---

# Quest Diagnostics Inc. Stock Outperforms Competitors On Strong Trading Day

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of Quest Diagnostics Inc. (DGX) rose 1.13% to $238.50 Thursday, on what proved to be an all-around grim trading session for the stock market, with the S&P 500 Index falling 0.18% to 7,709.96 and Dow Jones Industrial Average falling 0.85% to 53,885.10.

This was the stock's third consecutive day of gains.

Quest Diagnostics Inc. closed 0.68% short of its 52-week high of $240.13, which the company achieved on July 28th.

The stock outperformed some of its competitors Thursday, as UnitedHealth Group Inc. (UNH) fell 2.13% to $403.97, IQVIA Holdings Inc. (IQV) fell 1.53% to $232.43, and Centene Corp. (CNC) fell 4.16% to $64.20.

Trading volume (634,117) remained 340,301 below its 50-day average volume of 974,418.

Data source: Dow Jones Market Data, FactSet. Data compiled August 6, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

08-06-26 1702ET

### Related Stocks

- [DGX.US](https://longbridge.com/en/quote/DGX.US.md)
- [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md)
- [.DJI.US](https://longbridge.com/en/quote/.DJI.US.md)
- [UNH.US](https://longbridge.com/en/quote/UNH.US.md)
- [IQV.US](https://longbridge.com/en/quote/IQV.US.md)
- [CNC.US](https://longbridge.com/en/quote/CNC.US.md)

## Related News & Research

- [Is Quest Diagnostics (DGX) Still A Bargain Or Fully Priced?](https://longbridge.com/en/news/296139586.md)
- [Commerzbank Aktiengesellschaft FI Takes $1.42 Million Position in Quest Diagnostics Incorporated $DGX](https://longbridge.com/en/news/296322041.md)
- [Quest Diagnostics sets BRL 1.5-per-unit distribution for Oct. 27 payment](https://longbridge.com/en/news/295830247.md)
- [Edmond DE Rothschild Holding S.A. Acquires Shares of 62,375 Centene Corporation $CNC](https://longbridge.com/en/news/296457298.md)
- [Quest Diagnostics's Q2 2026 Earnings: What to Expect](https://longbridge.com/en/news/291434864.md)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**