Sears Holdings Corp

The stores that dress the nation are turning to fashion blogs for direction on styles and trends -- and even marketing partnerships -- as they work to lure in today's digitally-connected shoppers.

The S&P 500 gained 4.4% in January, the biggest increase for that month in 15 years. But the 10 best performers in the index had share gains for the month from 27% to a whopping 77%. Which are these rising stars -- and which might have more room to rise? Read on:

Walmart's conquest of of America embodies a decades-long drive toward the lowest common denominator, off-shoring jobs, maximizing profits and reducing quality. But is it a trend we can reverse? Deep in the heart of Ohio, a new store aims to try.

Shares of Sears Holdings fell 27% Tuesday on news that the retailer would close as many as 120 poorly performing Sears and Kmart stores -- an unusually harsh response to a cost-cutting measure. Clearly, investors are concerned that the problems run much deeper -- and they're right to worry.