Charles River Laboratories International, Inc. (NYSE:CRL) will look for M&A. President and Chief Executive Officer James Foster said, "we will continue to invest aggressively from an organic point of view but also through M&A to continue to expand portfolio scientifically and geographically so that we can be a more holistic provider. it will continue to be a major area of focus, a major area of investment and probably continue to be an area of further M&A investment as well. we will continue to do M&A to the extent to which we find good targets".