---
title: "Illumina Inc. Stock Underperforms Monday When Compared To Competitors"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293977179.md"
description: "Illumina Inc. (ILMN) shares fell 2.38% to $189.47 on Monday, underperforming the broader market and key competitors like Labcorp and Quest Diagnostics during a generally positive trading session. This marks the second consecutive day of losses for Illumina, which remains 4.86% below its 52-week high. Trading volume was slightly below the 50-day average."
datetime: "2026-07-27T21:24:32.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293977179.md)
  - [en](https://longbridge.com/en/news/293977179.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293977179.md)
generator: "portal-rs"
---

# Illumina Inc. Stock Underperforms Monday When Compared To Competitors

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

Shares of Illumina Inc. (ILMN) shed 2.38% to $189.47 Monday, on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 0.02% to 7,413.18 and the Dow Jones Industrial Average rising 0.51% to 52,210.08.

This was the stock's second consecutive day of losses.

Illumina Inc. closed 4.86% below its 52-week high of $199.14, which the company achieved on July 23rd.

The stock underperformed when compared to some of its competitors Monday, as Labcorp Holdings Inc. (LH) rose 1.48% to $301.17, Charles River Laboratories International Inc. (CRL) fell 1.01% to $224.30, and Quest Diagnostics Inc. (DGX) rose 1.75% to $231.84.

Trading volume (1.7 M) remained 143,508 below its 50-day average volume of 1.9 M.

Data source: Dow Jones Market Data, FactSet. Data compiled July 27, 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

07-27-26 1724ET

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