Charles River Laboratories International Inc. Stock Advances 4.2%, Outperforms Market

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

Shares of Charles River Laboratories International Inc. rallied 4.2% to $373.98 on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 0.3% to 7,743.98 and the Dow Jones Industrial Average rising 0.2% to 52,475.10.

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

Charles River Laboratories International Inc. hit a new 52-week high, surpassing its previous peak of $359.89, which the company reached on October 27th.

The stock demonstrated a mixed performance when compared to some of its peers, as Labcorp Holdings Inc. rose 8.8% to $360.25, Alnylam Pharmaceuticals Inc. rose 2.5% to $232.40, and Bio-Techne Corp. rose 0.12% to $72.69.

Trading volume totaled 1.3 million, compared to the 50-day average of 1.0 million.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

October 28, 2026 16:35 ET (20:35 GMT)