The S&P 500 was down 0.1% in midday trading to 2,400.89.

The Dow Jones Industrial Average was flat at 20,984.04.

The NASDAQ was up 0.2% to 6,160.36.

The yield on a 10-year Treasury bond was flat at 2.34%.

The price of gold rose 0.5% to $1,236.

RETAIL

Tilly’s Inc. in Irvine was down 5.4% to $9.34 and a $269 million market cap. Tilly’s runs youth fashion apparel stores.

SERVICES

Newport Beach-based Acacia Research Corp. was up 4.4% to $4.75 and a $241 million market cap. The patent licensing company broke its string of three consecutive days of decline; it is down from its 52-week high last August of $7.68.