The S&P 500 was up 0.3% in midday trading to 2,923.28.
The Dow Jones Industrial Average rose 0.2% to 26,554.15.
The Nasdaq climbed 0.4% to 8,037.45.
The yield on a 10-year Treasury bond declined 0.8% to 3.08%.
The price of gold was down 0.4% to $1,200.
SERVICES
Willdan Group Inc. (Nasdaq: WLDN) in Anaheim is up 6.6% to $33.47 and a $298 million market cap. Shares in the engineering firm are up 12% in two days after it received two contracts worth $17 million over the next year to upgrade Colorado schools.
HEALTHCARE
ChromaDex Corp. (Nasdaq: CDXC) in Irvine was up 7.7% to $3.93 and a $216 million market cap. The nutrition products maker said its flagship product had received industry certification for use in sports nutrition.
