Yahoo! Inc. named Marissa Mayer chief executive officer, appointing a technologist who has managed some of Google Inc.’s most popular products to help reverse market-share losses that fueled three years of sales declines at the biggest U.S. Web portal.
Google Inc., owner of the world’s largest search engine, rose the most since 2011 after reporting profit that topped analysts’ estimates as advertisers boosted spending to reach consumers during the holiday season.
Zynga Inc.’s operations are getting the least credit in public markets among Internet media companies, and management’s refusal to consider a sale as growth slows is blocking an avenue for shareholders to recoup losses.
Facebook Inc., owner of the biggest social network, posted sales that topped analysts’ estimates, a sign of early success in a push to make more money from advertisements aimed at users of handheld electronics.
Zynga Inc., the biggest developer of games on Facebook Inc., fell the most since its initial public offering after an earnings report yesterday showed product- development costs weighed on profit in the fourth quarter.