The S&P 500 fell 0.1% in midday trading to 2,440.81.
The Dow Jones Industrial Average rose 0.1% to 21,831.31.
The Nasdaq fell 0.1% to 6,274.37.
The yield on a 10-year Treasury bond increased 0.6% to 2.18%.
The price of gold declined 0.2% to $1,292.
Newport Beach-based Acacia Research Corp. (Nasdaq: ACTG) rose 13% to $3.50 and a $177 million market cap. Shares of the patent licenser have climbed six straight trading sessions since hitting a 52-week low on Aug. 16. Acacia owns about 31% of Veritone Inc., a technology firm whose shares have also risen in the past week following positive media coverage.
Irvine-based Tilly’s Inc. (NYSE: TLYS) declined 5.8% to $9.04 and a $260 million market cap. The shares had risen 10% yesterday before the retailer of action-sports apparel reported second-quarter revenue and adjusted profit that topped analyst estimates.