Charles River Laboratories International Inc. (CRL) has risen to second place in the SIA S&P 500 Index Report after advancing 282 positions over the past quarter. The shares hold an SIA SMAX score of 10 out of 10, while the Drugs sector also ranks second in the Favored Green Zone of the SIA Sector Report. This report reviews CRL’s recent relative-strength movement, performance and key technical support and resistance levels.