Stocks closed higher after a staging a late rally triggered partly by positive comments from the economist known as "Doctor Doom."

Stocks edged lower at the open as the market gave back some of its gains from this week's rally.

Wall Street was heading for a mixed open, after a steep drop in jobless claims help offset some negative news on earnings.

There’s no shortage of companies turning to Twitter and other social media websites to promote their brands. But the trend hasn't created many new jobs—at least not yet.

Companies must walk a fine line when using social media Websites like Twitter.

Sustainability isn’t just about saving the planet. It's about opportunity—reinventing business models to better compete in the global economy or building shareholder value in ways that help to solve some of the world’s most profound social, economic and environmental challenges.