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Twitter is adding an extra security measure to users’ accounts in an effort to prevent unauthorized logins.

Internet radio company Pandora Media Inc. reported higher-than-expected revenue in the latest quarter, with losses in line with analysts’ forecasts, as the number of subscribers who pay for ad-free listening more than doubled to exceed 2.5 million.

Clothing and accessories company Rue21 has agreed to be taken private in nearly $1 billion deal with private equity firm Apax Partners.

An Arizona restaurateur, fed up after years of negative online reviews and an embarrassing appearance on a reality television show, allegedly posted a social media rant laced with salty language.

One after another, major U.S. corporations have updated anti-discrimination policies to protect gay, lesbian and transgender workers, drawing plaudits from gay-rights groups. There’s one prominent exception: Exxon Mobil Corp.

Fresh on the heels of its $1.1 billion acquisition of Tumblr, Yahoo says it is rebooting its languishing photo-sharing site Flickr with plans to make it "awesome" again.

Apple’s CEO is disputing assertions by a Senate panel that the company avoids billions of dollars in U.S. taxes by shifting profits to foreign affiliates.

CBS News’ Ben Tracy reports on an inventor whose idea for an artificial limb design was borne out of his own experience losing his lower leg in a sporting accident.

Yahoo is buying online blogging forum Tumblr for $1.1 billion as CEO Marissa Mayer tries to rejuvenate an Internet pioneer that had fallen behind the times.

The stock market is edging higher in midday trading, led by small-company shares.