Charles River Laboratories International Inc. Stock Advances 11.4%, Outperforms Peers

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

Shares of Charles River Laboratories International Inc. climbed 11.4% to $260.72 on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average rising 0.5% to 54,349.12 and the S&P 500 Index falling 0.2% to 7,723.55.

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

Charles River Laboratories International Inc. hit a new 52-week high, surpassing its previous peak of $242.73, which the company reached on July 28th.

The stock outperformed some of its peers, as Labcorp Holdings Inc. rose 0.5% to $313.96, Alnylam Pharmaceuticals Inc. rose 4.4% to $228.72, and Bio-Techne Corp. fell 0.12% to $72.00.

Trading volume totaled 1.8 million, compared to the 50-day average of 865,690.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

August 05, 2026 16:32 ET (20:32 GMT)