The first is from Peter Thiel, the hedge fund investor behind the financing of Facebook.

FORBES: A College Education Should Not Result in Crushing Debt

These questions are raised once again by this latest batch of stockmarket advisories, a set of four books which advocate everything from the slothful approach of Burton Malkiel's indexers to Peter Krass's hedge funders and options traders.

ECONOMIST: Can you beat the blindfolded monkey?

That concern also weighed on U.S. markets Monday, said Peter Tchir, who runs the hedge fund TF Market Advisors.

NPR: Health Insurers Lead Stocks Higher On Wall Street