The S&P 500 was down 0.5% in midday trading to 2,166.55
The Dow Jones Industrial Average was down 0.6% to 18,291.34.
The NASDAQ was down 0.5% to 5,314.15
The yield on a 10-year Treasury bond fell 0.9% to 1.62%.
The price of gold fell 0.3% to $1,340.
Anaheim-based Willdan Group Inc. was up 3.6% to $18.99 and a $158 million market cap. The engineering services company was awarded a $10 million contract for work as part of New Jersey’s clean energy efforts.
Newport Beach-based William Lyon Homes was up 3.3% to $17.78 and a $562 million market cap on above-average volume. The home builder’s shares are up about 13% for the week.