The S&P 500 was down 0.1% in midday trading to 2,653.04.
The Dow Jones Industrial Average was flat at 24,110.20.
The Nasdaq was up 0.1% to 7,140.70.
The yield on a 10-year Treasury bond fell 0.2% to 2.97%.
The price of gold was 0.1% lower at $1,306.
Boot Barn Holdings Inc. (NYSE: BOOT) was up 3% to $19.77 and a $537 million market cap on moderate volume, within $1 of its 52-week high of $20.58. The western wear seller last week bought a three-store chain south of Dallas.
Avid Bioservices Inc. (Nasdaq: CDMO) was up 5% to $3.54 and a $197 million market cap. Avid is a contract drug manufacturer.