Even with a rout in the broad market Friday, a few highly rated stocks broke out of bases. Cooper (COO) broke out of a flat base as shares gapped up on the company’s earnings report. Shares soared 15, or 9%, to 180.26 in volume more than four and a half times the average. The medical products manufacturer earned $1.75 a share for its January-ended quarter, up 11% from the year-earlier period. Revenue increased 10% to $445.2 million.