The S&P 500 was up 0.1% in midday trading to 2,551.71.

The Dow Jones Industrial Average rose 0.1% to 22,842.22.

The NASDAQ climbed 0.1% to 6,592.31.

The yield on a 10-year Treasury bond was flat at 2.35%.

The price of gold fell 0.4% to $1,289.

HEALTHCARE

Irvine-based Aerie Pharmaceuticals Inc. (NASDAQ: AERI) was up 15% to $64 and a $2.4 billion market cap. An FDA panel today put a preliminary review on its website showing one of Aerie’s in-development glaucoma drugs reduces eye pressure; drug agency panel reviews commonly come as the agency nears a decision on whether a product will be approved for sale in the U.S.

TECHNOLOGY

Iteris Inc. (NASDAQ: ITI) in Santa Ana was up 4% to $8 and a $261 million market cap on above-average volume. The company makes software and sensors for the transportation and agriculture markets.