The S&P 500 declined 0.1% in midday trading to 2,911.67.

The Dow Jones Industrial Average ticked down 0.2% to 26,080.28.

The Nasdaq climbed 0.2% to 8,127.46.

The yield on a 10-year Treasury bond was 0.5% lower to 2.87%.

The price of gold fell 0.6% to $1,205.

RETAIL

Tilly’s Inc. (NYSE: TLYS) jumped 15% to $20.75 and a $612 million market cap. After the market closed yesterday, the Irvine-based retailer reported fiscal second quarter revenue and profit that topped the average estimates of three analysts. The shares are at an all-time high since the company went public in 2012.

HEALTHCARE

Glaukos Corp. (NYSE: GKOS) in San Clemente was up 6.7% to $67.04 and a $2.4 billion market cap. Yesterday, it rose 40% to $62.86 after rival Novartis said it will withdraw a competing product from the market “due to a lack of efficacy” reports. Glaukos makes a line of stents to treat glaucoma.

Avid Bioservices Inc. (Nasadaq: CDMO) in Tustin was up 6% to $6.82 and a $381 million market cap. Shares in the contract drug maker are up about 30% since Aug. 7, and have doubled over the last twelve months as the company switched its focus from drug development to manufacturing.