The S&P 500 was down 0.1% in midday trading to 2,096.21.

The Dow Jones Industrial Average was down 0.2% to 17,566.23.

The Nasdaq was down 0.1% to 5,109.35.

The yield on a 10-year Treasury bond was up 1.7% to 2.2%.

The price of gold was up 0.1% to $1,090.

HEALTHCARE

Irvine-based Endologix Inc. was down 14.4% to $12.04 and an $812 million market cap. The maker of devices to treat abdominal aortic aneurysms yesterday reported a steeper second quarter loss year-over-year—$13 million compared with $9 million—that also missed analyst expectations. The company’s shares were downgraded this morning from “buy” to “hold” at Cannacord Genuity.

Irvine-based Masimo Corp. was up 2% to $41.87 and a $2.2 billion market cap. The device maker is set to report earnings after markets close today.