The S&P 500 was down 0.3% in midday trading at 2,095.42.
The Dow Jones Industrial Average was down 0.2% to 17,505.56.
The Nasdaq was down 0.6% to 5,059.39.
The yield on a 10-year Treasury bond was up 1.5% to 2.18%.
The price of gold was down 0.2% to $1,116.
Newport Beach-based William Lyon Homes was up 2.1% to $24.71 and a $777 million market cap. The builder’s volume was about twice its 90-day full-day average rate by mid-day.