This article was automatically generated by Dow Jones using technology from Automated Insights.
Shares of Charles River Laboratories International Inc. advanced 3.0% to $203.02 on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 0.6% to 6,878.49 and the Dow Jones Industrial Average rising 0.5% to 48,362.68.
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 $200.58, which the company reached on December 15th.
The stock outperformed some of its peers, as Labcorp Holdings Inc. rose 1.2% to $255.06, Alnylam Pharmaceuticals Inc. rose 1.9% to $407.73, and Bio-Techne Corp. rose 1.18% to $58.96.
Trading volume totaled 630,279, compared to the 50-day average of 997,694.
Data source: Dow Jones Market Data, FactSet
(END) Dow Jones Newswires
December 22, 2025 16:35 ET (21:35 GMT)
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