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The Internal Revenue Service official at the center of the storm over the agency’s targeting of conservative groups told Congress on Wednesday that she had done nothing wrong in the episode.

Stocks are moving higher Wednesday after Federal Reserve Chairman Ben Bernanke said it was too soon for the central bank to pull back on its economic stimulus programs.

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.

The stock market turned higher Tuesday as investors banked on continued policy support from the Federal Reserve. Two big retailers also topped Wall Street expectations for the most recent quarter.

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.

Despite its disappointing stock market performance, Facebook has delivered strong financial results. Net income increased 7 percent to $219 million in the most recent quarter, compared with the previous year. Revenue was up 38 percent to $1.46 billion.