The S&P 500 fell 0.2% to 3,665.81 in midday trading.
The Dow Jones Industrial Average decreased 0.2% to 30,005.24 while the Nasdaq rose 0.3% to 12,371.79.
The yield on a 10-year Treasury bond fell 0.8% to 0.934%.
Oil climbed 3.6% to $47.14.
The price of gold decreased 0.1% to $1,836.70 per ounce.
Heart valve maker Edwards Lifesciences Corp. (NYSE: EW) climbed 2.6% to $87.20 a share with a $54 billion market cap. The Irvine-based firm said this morning at its annual investor conference it expects 2021 global sales of $4.9-$5.3 billion, indicating annual growth in the mid-teens. Analysts expect Edwards to post $5.1 billion in 2021 global sales.
Costa Mesa-based Veritone Inc. (Nasdaq: VERI) rose 5% to $29.73 and a $940 million market cap. Shares in the artificial intelligence media company are up 25% in the last week, since it announced and closed a $63.8 million upsized public offering of common stock.