COMSCORE INC. SCOR (NASDAQ)

(NEW YORK)U.S. Internet advertising revenue dipped slightly in the second quarter from the previous three-month period, which likely is a ripple effect from the bad economy given that prior ...READ MORE

(RESTON, Va.)Microsoft Corp. and Yahoo Inc.'s share of the U.S. search market contracted slightly in July while market leader Google Inc.'s improved, according to estimates released by ComScore...READ MORE

(NEW YORK)ComScore Inc. shares soared Friday after the company reported second-quarter revenue above analysts' expectations--even when excluding sales from M:Metrics, which the Internet data...READ MORE

(RESTON, Va.)Microsoft Corp. marginally expanded its share of the U.S. search market in June, while Google Inc. had a small decline, according to estimates released by ComScore Inc. Friday.READ MORE

(NEW YORK)Shares of research firm comScore Inc. fell Tuesday in a drop some analysts attributed to Google Inc.'s unveiling of a new tool meant to help advertisers determine the best Web ...READ MORE

(RESTON, Va.)Google Inc. and Yahoo Inc. both modestly expanded their share of the U.S. online search market in May, while Microsoft Corp.'s share of the market fell, according to estimates ...READ MORE

(NEW YORK)The president and chief executive of Internet data analysis provider ComScore Inc. sold 5,000 shares of common stock under a prearranged trading plan, according to a Securities and...READ MORE