The S&P 500 was up 0.2% in midday trading to 2,486.22.

The Dow Jones Industrial Average was up 0.1% to 22,134.60.

The NASDAQ increased 0.4% to 6,406.64.

The yield on a 10-year Treasury bond climbed 0.9% to 2.28%.

The price of gold declined 0.2% to $1,262.

HEALTHCARE

Irvine’s Aerie Pharmaceuticals Inc. (NASDAQ: AERI) down 9.9% to $50.58 and a $1.8 billion market cap. Volume was twice its daily average. Shares of the eye care drug developer have more than doubled in the past year.

REAL ESTATE

Newport Beach’s William Lyon Homes (NYSE: WLH) rose 5.1% to $23.18 and a $740 million market cap. The homebuilder on Aug. 7 reported on Aug. 7 that second-quarter homebuilding revenue rose 30% and net income climbed 29%. The Shares have climbed 52% since its 52-week low a year ago.