The S&P 500 was down 0.1% in midday trading to 2,623.96.

The Dow Jones Industrial Average rose 0.3% to 23,904.25.

The Nasdaq dropped 1.1% to 6,833.06.

The yield on a 10-year Treasury bond jumped 1.9% to 2.38%.

The price of gold dipped 1% to $1,287.

HEALTHCARE

Edwards Lifesciences Corp. (NYSE: EW) in Irvine was up 3% to $116.66 and a $24.7 billion market cap. The heart valve maker’s shares have risen about 6% in the last two trading sessions after a positive Zack’s mention yesterday on the company’s device pipeline.

TECHNOLOGY

Smith Micro Software Inc. (Nasdaq: SMSI) in Irvine was up 5.3% to $2.20 and a $31 million market cap on high volume. The mobile wireless software maker had by midday traded shares at a rate five times its 90-day average.