03/21/2009 05:12 am ET | Updated May 25, 2011

Yahoo! Search Share Rises, Google Falls

Last month we reported a potentially important change in search-market share trends: After years of steady decline, Yahoo's domestic share numbers (YHOO) had increased for five months in a row. Well, the good news continued in January, with Yahoo's share jumping a half-point to 21%, per Comscore.

Google's share, meanwhile, dropped a half-point, to 63%. You don't see that every day.

Yahoo's newfound tenacity in search is excellent news for the company's hammered stockholders. If Yahoo can maintain command of 20%+ of the search market, it will pleasantly surprise the many market observers who had written it off. Its value to Microsoft will also rise. And search might even become a revenue growth engine again.

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