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One of the largest concentrations of technical talent in Los Angeles is in Glendale, at YP -- staffed with a surprising number of Los Angeles startup vets.

Yahoo CEO Marissa Mayer's $1.1 billion acquisition of blogging service Tumblr will be a test of her ability to revive the aging Web portal.

In this Oct. 1, 2012 file photo, Tumblr founder David Karp participates in the "Bloomberg Leadership Summit" seminar in New York.

Google's search market share dropped slightly once again, with Microsoft and Yahoo slightly edging up, according to comScore's April 2013 search engine rankings .

U.S. stocks rose slightly on Monday as acquisition activity gave support, but investors were hesitant to rush into the market with indexes hovering around record levels.

Cherry-picks the very best investment opportunities from all 11 research services - in energy, commodities, currencies, biotech, and more.

White House chief of staff Denis McDonough and other senior presidential advisers knew in late April that an upcoming report was likely to find that IRS employees had inappropriately targeted conservative political... White House chief of staff Denis McDonough and other senior advisers knew in late April that an impending report was likely to say ... (more)

A former Yahoo! employee died over the weekend after falling from the roof of a four-story house in San Francisco while attending a party for the city's annual 'Bay to Breakers' foot race.

In this Oct. 1, 2012 file photo, Tumblr founder David Karp participates in the "Bloomberg Leadership Summit" seminar in New York.

Yahoo announced Monday that it will pay $1.1B cash to purchase Tumblr, a blogging service that says it has massed more than 50 billion posts from 108 million blogs.

Experts say the officer who killed a Long Island college student and a home invasion suspect on Friday was confronted with a split-second choice.

Yahoo to buy Tumblr for $1.1 billion cash says a source close to the deal according to The New York Times.

Yahoo! Inc. is set to purchase Tumblr, a blogging tool, for $1.1 billion, according to the Wall Street Journal.

Yahoo may be on the verge of closing its biggest acquisition during the 10-month reign of CEO Marissa Mayer as she tries to attract more traffic and advertisers to the Internet company's website and mobile applications.

According to Bloomberg , discussions are "at an early stage and a transaction isn't certain." Another, unidentified pay-TV company is also interested in acquiring Hulu.

In a deal that would vault Yahoo into the premiere league of social media, Yahoo CEO Marissa Mayer is said to be closing in on a $1 billion acquisition deal with David Karp , the CEO of New York-based Tumblr .

Yahoo plans to ramp up advertising and marketing efforts as it seeks to break its reliance on an "aging demographic" and become more relevant among young adults, the company's finance chief said on Tuesday.

Oh, please. The reports that Yahoo wants to wiggle out of the 10-year deal with Bing should not come as a surprise to anyone, especially with Marissa Mayer at the helm.

This morning, Cantor Fitzgerald increased its price target on shares of Yahoo! to $30 based on the increasing value of its stake in Alibaba.

's stock had its "conviction-buy" rating reaffirmed by research analysts at Goldman Sachs in a report released on Tuesday, StocKRatingsNetwork.com reports.