Reston, Va.—Google captured 45.4% of the U.S. search market in October, according to comScore Networks, which released its monthly analysis of competitive search engine activity at home and at work.
Google gained 0.3 share points from September, and 6.4 share points compared with October 2005.
Yahoo! maintained its No. 2 ranking, with a 28.2 share, followed by Microsoft (11.7%), Ask Network (5.8%) and Time Warner Network (5.4%).
Americans conducted a total of 6.8 billion searches in October. Annual growth rates in search query volume were strong, with a 33% increase from a year earlier.
Google’s stock price hit another milestone Tuesday, surpassing $500 per share for the first time. The stock hit $505.35 in morning Nasdaq trading, which represents a 2.1% increase over Monday’s closing price. The stock’s IPO price was $85 in August 2004.