Nouriel Roubini

This week, the government took a big first step toward shutting down the Can't Lose Room in the Wall Street Casino. It's now one comment period away from enacting the Volcker Rule, which limits the kinds of risky investments banks can make with money insured by the U.S. taxpayer.

Last year, stocks rose as cost-cutting helped businesses set record profits. But its not too late to buy in, says venture capitalist Peter Cohan: With the corporate world's focus shifting to sales growth, and profits likely to beat expectations, stocks still look undervalued.

Reports from the ultra-elite Swiss meeting show that CEOs are far more optimistic than they've been for years. Considering their cash hoards, an M&A wave is likely. But they're unmoved by the idea that they should create societal value.

There's no shortage of pundits who shot to fame on the back of a bold, contrarian call only to come up empty afterwards. Meredith Whitney and Nuriel Rubini are just two pundits who called the meltdown while most others were oblivious. Too bad they've fared less well lately.

Major news stories ebb and flow, rising to the headlines and then slipping out of the spotlight. But even if they fade from attention, keep an eye on this handful of long-term issues, such as North Korea, which have the potential to disrupt the U.S. economy and global recovery.

Among Friday's top online stories for investors: why the market outlook for 2011 looks bright, which jobs prepare you for running a value fund, and some deep-value microcap picks.

Nouriel Roubini, the NYU economics professor who has earned the nickname "Dr. Doom" for his predictions, says he's concerned the tax cut compromise struck by President Obama and GOP leaders could expose the U.S. to bond vigilantes who will drive up bond yields, resulting in higher borrowing costs for the federal government.

The S&P 500 has rebounded 20% since its July 2010 low, which comes as bad news to perma-bears like Nouriel Roubini, Gary Shilling and Bill Gross, all of whom predicted the opposite. This raises several questions about how stocks move, and why pundits say the things they do.

The noted economist writes in a Financial Times editorial that Obama did plenty to stave off a depression. But his administration is already too timid about further stimulus, and once the GOP gains power in Congress, the policy prescriptions will become even more feeble.

Among Thursday's best online stories for investors, Nouriel Roubini explains how to avoid a double-dip recession, Melinda Gates discusses philanthropy, and a great profile of super hedge fund AQR Capital Management.