Updated

Stocks are opening slightly lower, pulling the Standard & Poor's 500 index back below 2,000 points.

The S&P 500 fell five points, or 0.3 percent, to 1,996, as of 9:35 a.m. Eastern time Tuesday.

The Dow Jones industrial average fell 66 points, or 0.4 percent, to 17,046. The Nasdaq composite fell 13 points, or 0.3 percent, to 4,578.

Home Depot fell 1 percent after the company confirmed that its payment systems had been hacked, potentially exposing millions of shoppers who used credit and debit cards at its stores.

Annie's soared 37 percent in early trading after the maker of rabbit-shaped mac and cheese agreed to be acquired by General Mills.

Bond prices fell. The yield on the 10-year Treasury note rose to 2.50 percent.