The S&P 500 rose 0.34% to 1,519.89 in afternoon trading Friday.
The Dow Jones Industrial Average was up 0.36% to 14,105.63, while the Nasdaq was up 0.31% to 3,169.99.
The yield on a 10-year treasury bond was off 1.75% to 1.85%.
The price of gold was down 0.40% to $1,571.40 per ounce.
Shares of Irvine homebuilder Standard Pacific Corp. continued its climb this week, up 3% to $8.35 in midday trading Friday. The company is up about 7% so far this week to a market value of $2.9 billion. Homebuilders rose earlier this week on news of a 16% jump in new-home sales coupled with the S&P/Case-Shiller index showing a 6.8% increase in December prices from a year earlier.
Seal Beach-based Clean Energy Fuels Corp. fell about 2% to $12.34, a day after reporting a higher-than-expected loss for the fourth quarter. Clean Energy had a recent market value of $1.08 billion.