The S&P 500 was up 0.1% to 3,413.18 during midday trading.
The Dow Jones Industrial Average rose 0.4% to 28,248.65.
The Nasdaq dipped 0.1% to 11,319.03.
The yield on a 10-year Treasury bond rose 1.4% to 0.773%.
The price of gold was increased 0.6% to $1,909.60.
The price for a barrel of oil rose almost 3% to $40.39.
Shares in Irvine-based data analytics software maker Alteryx (NYSE: AYX) rose 27% to $144.57 apiece for a market cap of $10.3 billion. The company yesterday raised its third-quarter guidance and said co-founder Dean Stoecker stepped down as chief executive and was succeeded by board member Mark Anderson.
Irvine-based Inari Medical Inc. (Nasdaq: NARI) stock rose 8% to $72.43 apiece for a market cap of $3.5 billion. The shares have gained 5% over the last week.