The S&P 500 rose 0.2% to 4,712.85 in midday trading Friday.
The Dow Jones Industrial Average fell 0.4% to 35,722.11, while the Nasdaq climbed 0.7% to 16,102.65.
Crude oil slipped 3.8% to $76.
Gold decreased 0.6% to $1,850.20.
The yield on a 10-year Treasury fell 2.7% to 1.55%.
Irvine electric vehicle maker Rivian Automotive Inc. (Nasdaq: RIVN) climbed 12.7% to $139.07 for a market cap of $118.7 billion. The company began trading last week with proceeds from its IPO totaling $13.7 billion.
Advantage Solutions Inc. (Nasdaq: ADV) continued its slide this week, down 5.4% to $7.82 for a market cap of $2.5 billion. The Irvine sales and marketing firm was trading on volume lower than its daily average and is down about 39% since the start of the year.