The S&P 500 was 0.3% higher in midday trading to 2,517.02.
The Dow Jones Industrial Average declined 0.1% to 22,366.19.
The NASDAQ rose 0.6% to 6,492.46.
The yield on a 10-year Treasury bond was up 0.5% to 2.32%.
The price of gold down 0.3% to $1,285.
CalAmp Corp. (NASDAQ: CAMP) in Irvine was up 9% to $23.03 and an $816 million market cap. The software maker met Wall Street expectations on quarterly revenue and profit.
Tri Pointe Group Inc. (NYSE: TPH) was up 3% to $13.88 and a $2.1 billion market cap. The builder and developer recently opened a Sacramento division; its shares are up 7% on the week.
Presbia PLC (NASDAQ: LENS) was up 12% to $4.75 and an $81 million market cap on relatively high volume. The lens implant maker’s shares are up 90% in the last month.