Charles River Laboratories International, Inc. (CRL) closed at $359.04 on October 28, 2026, marking a gain of 0.47% in the latest 24-hour session. The contract research organization carries a market capitalization of $17.06 billion.
The single-day move extends a broader rally that has gathered momentum over recent weeks. CRL shares have climbed 13.81% over the past seven days and 22.48% over the trailing 30-day period, reflecting a sustained period of buying activity.
The stock's monthly performance places it among notable movers in the broader healthcare and life sciences services sector. The 30-day gain of 22.48% represents a significant appreciation in market value from levels seen roughly a month prior.
Trading activity over the past month has pushed the company's market capitalization to $17.06 billion, underscoring the scale of the price movement across all measured time frames.
