The S&P 500 was down 0.1% in midday trading to 2,504.78.
The Dow Jones Industrial Average declined 0.1% to 22,382.04.
The NASDAQ fell 0.2% to 6,441.75.
The yield on a 10-year Treasury bond dropped 0.3% to 2.27%.
The price of gold was down 1.6% to $1,295.
Habit Restaurants Inc. (NASDAQ: HABT) in Irvine was up 4.4% to $13.20 and a $343 million market cap on above-average volume. Habit runs a chain of fast-casual hamburger restaurants.
Adomani Inc. (NASDAQ: ADOM) in Orange was up 11% to $7.99 and a $544 million market cap on volume four times the daily average. Adomani retrofits fleet vehicles with electric drivetrains.