The S&P 500 rose 0.52% to 1,790.91 in afternoon trading Tuesday.
The Dow Jones Industrial Average was up 0.54% to 15,924, while the Nasdaq was up 0.08% to 4,087.02.
The yield on a 10-year Treasury bond was off 0.25% to 2.76%.
The price of gold was down 1.01% to $1,250.70 per ounce.
Homebuilders were generally up after Fort Worth, Texas-based D.R. Horton Inc. reported better-than-expected results for its December quarter before market open on Tuesday.
Irvine-based Standard Pacific Corp. was up about 5% to $8.75 for a market value of $3.04 billion.
Newport Beach-based William Lyon Homes was up about 6% to $23.58 for a market value of $741.64 million.
TRI Pointe Homes Inc. of Irvine rose about 3% to $17.80 for a market value of $562.43 million.
Irvine-based CorVel Corp. was up about 6% to $49.19 for a market value of $1.03 billion. The company, which provides workers' compensation software and services to the healthcare industry, among others, reported December quarter revenue up 13% to $121.1 million and a 56% rise in earnings to $8.8 million.
Irvine-based networking equipment maker Lantronix Inc. was up about 23% to $2.55 on unusually high volume, trading roughly six times its average volume. Lantronix, which had a recent market value of $37.18 million, is expected to report results for its December quarter on Thursday.