Why Is Charles River (CRL) Down 6.8% Since Last Earnings Report?

It has been about a month since the last earnings report for Charles River Laboratories (CRL) . Shares have lost about 6.8% in that time frame, underperforming the S&P 500.But investors have to be wondering, will the recent negative trend continue leading up to its next earnings release, or is Charles River due for a breakout? Well, first let's take a quick look at the most recent earnings report in order to get a better handle on the recent drivers for Charles River Laboratories International, Inc. before ...