Several high-rated stocks broke out of bases or regained entries, underscoring a broad rally in the general market Friday. Stamps.com (STMP) broke out of a flat base, as shares climbed 12.38, or 20%, to 73.05 in heavy trading. The provider of electronic postage beat expectations late Thursday, when it reported Q1 earnings of 72 cents a share, well above expectations. Revenue was $44.1 million, up 32%. Stamps.com raised its guidance for 2015.