Orange County The S&P 500 was down 0.3% in midday trading to 2,494.40.
The Dow Jones Industrial Average declined 0.3% to 22,279.62.
The NASDAQ fell 1% to 6,365.61.
The yield on a 10-year Treasury bond was down 1.8% to 2.22%.
The price of gold was up 1.1% to $1,313.
Irvine-based Boot Barn Holdings Inc. (NYSE: BOOT) climbed 7.5% to $9.33 and a $248 million market cap. The shares have climbed about 58% since their 52-week low in May.
Irvine-based ShiftPixy Inc. (NASDAQ: PIXY) declined 16% to $3.11 and an $89 million market cap. Shares of the company, which provides temp employees for restaurants, have fallen almost in half since its June IPO at $6 a share.