The S&P 500 was flat in midday trading at 2,864.19.

The Dow Jones Industrial Average declined 0.2% to 25,774.88.

The Nasdaq rose 0.4% to 7,887.78.

The yield on a 10-year Treasury bond dropped 0.7% to 2.82%.

The price of gold climbed 0.3% to $1,203.

HEALTHCARE

Glaukos Corp. (NYSE: GKOS) in San Clemente was up 2.2% to $41.09 and a $1.4 billion market cap. It makes stents to treat glaucoma. Shares are up 55% year-to-date.

Tustin-based Avid Bioservices Inc. (Nasdaq: CDMO) was up 2.5% to $5.78 and a $323 million market cap. Shares are up 140% in the six months since the former cancer drug developer shifted gears to contract drug manufacturing.

RESTAURANTS

BJ’s Restaurants Inc. (Nasdaq: BJRI) was up 1.7% to $67.95 and a $1.4 billion market cap. Maxim Group LLC initiated coverage with a buy rating and a target price of $81. The Huntington Beach-based casual dining chain’s shares are up 80% year-to-date.