---
title: "Quest Diagnostics Inc. Stock Underperforms Friday When Compared To Competitors Despite Daily Gains"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296652907.md"
description: "Quest Diagnostics (DGX) shares rose 1.28% to $244.39 on Friday, outperforming the broader market's modest gains but underperforming key competitors like UnitedHealth, IQVIA, and Centene. The stock closed near its 52-week high of $245.68, with trading volume significantly exceeding its 50-day average."
datetime: "2026-08-21T21:00:23.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296652907.md)
  - [en](https://longbridge.com/en/news/296652907.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296652907.md)
generator: "portal-rs"
---

# Quest Diagnostics Inc. Stock Underperforms Friday When Compared To Competitors Despite Daily Gains

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

Shares of Quest Diagnostics Inc. (DGX) advanced 1.28% to $244.39 Friday, on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 0.43% to 7,674.37 and the Dow Jones Industrial Average rising 0.98% to 53,277.01.

Quest Diagnostics Inc. closed 0.52% below its 52-week high of $245.68, which the company achieved on August 20th.

The stock underperformed when compared to some of its competitors Friday, as UnitedHealth Group Inc. (UNH) rose 1.37% to $390.11, IQVIA Holdings Inc. (IQV) rose 1.47% to $259.82, and Centene Corp. (CNC) rose 1.37% to $65.02.

Trading volume (1.3 M) eclipsed its 50-day average volume of 966,964.

Data source: Dow Jones Market Data, FactSet. Data compiled August 21, 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

08-21-26 1700ET

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## Related News & Research

- [Quest Diagnostics CEO James E. Davis sells 10,000 shares worth $2.43 million](https://longbridge.com/en/news/297959363.md)
- [Quest Diagnostics SVP, General Counsel Michael E. Prevoznik disposes of shares worth $5.52 million](https://longbridge.com/en/news/297559720.md)
- [Jupiter Topco LLC Purchases New Position in Quest Diagnostics Incorporated $DGX](https://longbridge.com/en/news/298006658.md)
- [Quest Diagnostics Stock: Is Wall Street Bullish or Bearish?](https://longbridge.com/en/news/296937084.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.**