The S&P 500 fell 0.02% to 1,553.01 in midday trading Monday.
The Dow Jones Industrial Average was off 0.27% to 14,526.12, while the Nasdaq was down 0.07% to 3,201.65.
The yield on a 10-year treasury bond rose 1.53% to 1.72%.
The price of gold fell 0.29% to $1,571.40 per ounce.
Shares of Irvine homebuilder Standard Pacific Corp. rose about 4% to $8.55 for a market value of $2.97 billion. Homebuilders were generally up in afternoon trading Monday.
Anaheim-based drug maker Questcor Pharmaceuticals Inc. was off about 4% to $30.09, amid a general decline among drug makers. Questcor had a recent market value of $1.74 billion.