Keynote Systems (KEYN) , an online business services company, was down 20.3% in preopen Island trading after warning that it expects first-quarter revenue to miss estimates. The company expects to meet the First Call/Thomson Financial first-quarter earnings estimate of 11 cents a share. But full year 2001 earnings will be just 44 to 46 cents a share, below the Street's estimate of 54 cents.

TheStreet Recommends