The underwriters' performance chart that ran in the Aug. 27, 2001, issue of BioWorld Financial Watch neglected to include S.G. Cowen Securities Corp. and U.S. Bancorp Piper Jaffray as underwriters for a $66.5 million offering, which occurred in March, of Charles River Laboratories Inc.'s stock. Ranked by gross proceeds raised in U.S. public offerings, not including shares sold by stockholders, the charts should have read $845.6 million for Cowen and $246.9 million for Piper Jaffray. Ranked by after-market performance, they should have read +8% for Cowen and +17% for Piper Jaffray. The figures will be incorporated into the next chart.