Some major U.S. retailers had a tough December, with chains like Target and Family Dollar feeling the pinch as consumers were cautious in their holiday spending.

The economy took a toll on shoppers in the most important quarter of the year for retailers. The holiday season was never expected to be stellar, but even the single-digit growth anticipated by chains and analysts came under pressure as super storm Sandy, the ever-present headlines about the "fiscal cliff" and the Connecticut school shootings affected consumers' moods.