The S&P 500 was down 0.2% in midday trading to 2,809.83.
The Dow Jones Industrial Average fell 0.4% to 25,105.12.
The Nasdaq declined 0.2% to 7,841.84.
The yield on a 10-year Treasury bond fell 1.2% to 2.84%.
The price of gold was 0.1% lower at $1,226.
Boot Barn Holdings Inc. (NYSE: BOOT) in Irvine was up 1.5% to $24.55 and a $677 million market cap. Shares in the Western wear retailer are up 41% year-to-date and 267% in the last year.
Resources Connection Inc. (Nasdaq: RECN) in Irvine was down 12.3% to $15.05 and a $474 million market cap. Fourth quarter and full-year revenue at the business consultancy rose and it completed two acquisitions in 2017 but expenses increased and net income was flat for the year.