Charles River Laboratories shares surge 9.3%, hit new 52-week high

Shares of Charles River Laboratories International Inc. rallied 9.3% to $344.87, outperforming peers Labcorp (+0.2%), Alnylam (-2.4%), and Bio-Techne (+0.08%). The stock hit a new 52-week high, surpassing its prior peak of $333.30 from October 6. Volume of 2.7 million shares was well above the 50-day average of 946,248.