The Nasdaq was down 0.23% to 3,014.06 in midday trading, while the Dow Jones Industrial Average fell 0.48% to 13,144.26.
The S&P 500 was off 0.35% to 1,400.97
The yield on a 10-year treasury bond fell 1.03% to 1.63%.
The price of gold was down 0.67% to $1,609.20.
Shares of Orange County-based companies were mixed, with moderate gains and declines for the most part.
Shares of Seal Beach-based Clean Energy Corp. were up nearly 5% to $13.93 and a market value of about $1.21 billion.
Shares of Santa Ana-based Powerwave Technologies Inc., which makes cellular base-station gear, were down about 27% to 37 cents, for a market value of about $12 million, on a disappointing second quarter earnings report.