The S&P 500 was down 0.1% in midday trading to 1,940.69.
The Dow Jones Industrial Average was flat at 16,519.61.
The Nasdaq was up 0.1% 4,695.94.
The yield on a 10-year Treasury bond was down 0.3% to 2.14%
The price of gold was down 0.9% to $1,098.
Orange County homebuilders were down on above average share volume.
Irvine-based CalAtlantic Group was down 3% to $32.88 and a $4 billion market cap. Irvine-based Tri Pointe Group Inc. was down 3.2% to $10.81 and a $1.8 billion market cap. Newport Beach-based William Lyon Homes was down 1.2% to $13.50 and a $425 million market cap. Shares in each have fallen 10% to 20% this week in a down market on economic jitters in China.