DJ Illumina Inc. Stock Underperforms Thursday When Compared To Competitors

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Shares of Illumina Inc. (ILMN) slid 2.91% to $265.72 Thursday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index rising 0.19% to 7,666.45 and the Dow Jones Industrial Average rising 0.04% to 50,926.56.

The stock's fall snapped a three-day winning streak.

Illumina Inc. closed 5.16% below its 52-week high of $280.17, which the company achieved on September 30th.

The stock underperformed when compared to some of its competitors Thursday, as Labcorp Holdings Inc. (LH) fell 1.14% to $304.60, Charles River Laboratories International Inc. $(CRL)$ fell 2.77% to $286.83, and Quest Diagnostics Inc. $(DGX)$ fell 0.85% to $231.09.

Trading volume (2.0 M) remained 873,229 below its 50-day average volume of 2.8 M.

Data source: Dow Jones Market Data, FactSet. Data compiled October 1, 2026.