The S&P 500 was up 0.5% to 3,377.01 during midday trading.
The Dow Jones Industrial Average rose 0.9% to 28,030.54.
The Nasdaq climbed less than 0.1% to 10,970.55.
The yield on a 10-year Treasury soared almost 13% to 0.648%.
The price of gold decreased 4.2% to $1,954.60.
The price for a barrel of oil rose 0.5% to $42.16.
Irvine-based data analytics software maker Alteryx (NYSE: AYX) rose 5.9% to $115.64 per share for a market cap of $7.7 billion. The stock is regaining some lost ground after dropping 29% last week on a warning of “significant headwinds” to the company’s business in the coming quarters.
Medical device maker ICU Medical Inc. (Nasdaq: ICUI) in San Clemente rose 6.4% to $190.35 per share for a market cap of almost $4 billion. The company released second-quarter earnings yesterday, saying they were “generally in line with our expectations and reflected strong demand for our infusion pumps due to the COVID-19 pandemic.”