Stocks opened flat on Thursday as economic data continued to paint a mixed picture of the economy and as investors sifted through a host of corporate earnings reports.

The Dow Jones industrial average <.DJI> was down 16.05 points, or 0.12 percent, at 13,894.37. The Standard & Poor's 500 Index <.SPX> was down 1.81 points, or 0.12 percent, at 1,500.15. The Nasdaq Composite Index <.IXIC> was down 0.55 points, or 0.02 percent, at 3,141.75.

(Reporting by Ryan Vlastelica; Editing by Bernadette Baum)