The S&P; 500 climbed 0.5% to 4,566.14 in midday trading.
The Dow Jones Industrial Average was up about 0.2% to 35,729.78 while the Nasdaq jumped 0.9% to 15,225.79.
The yield on a 10-year Treasury bond ticked 1.7% lower to 1.627%. Oil was flat at $83.77 a barrel. The price of gold increased 0.7% to $1,809 an ounce.
Cerritos-based Revolve Group Inc. (NYSE: RVLV) increased 3.9% to $72.94 and a $5.3 billion market cap. Volume for fashion retailer for Millennial and Generation Z consumers was about a fourth of the daily average. Shares have more than tripled in the past year. The company is scheduled to release third quarter results on Nov. 3.
Xponential Fitness Inc. (NYSE: XPOF) fell 4% to $15.46 and an $732 million market cap. Volume was about a third of the daily average of 247,112. Shares of the Irvine-based franchisor of fitness clubs are still up about 44% since Sept. 5.