The S&P 500 was down 0.1% in midday trading to 2,356.80.
The Dow Jones Industrial Average rose 0.1% to 20,671.34.
The NASDAQ was down 0.1% to 5,890.82.
The yield on a 10-year Treasury bond increased 0.1% to 2.35%.
The price of gold rose 0.3% to $1,258.
Costa Mesa-based TTM Technologies Inc. was up 8.3% to $17.03 and a $1.7 billion market cap. JP Morgan, which in February downgraded shares in the printed circuit maker, today upgraded them to “overweight” with a $21 price target.
Mission Viejo-based Auxilio Inc. rose 8% to $5.46 and a $45 million market cap. Auxilio, which provides document and cybersecurity services to hospitals, appointed to its board Theresa Meadows, SVP and CIO of Texas-based Cook Children’s Health Care System. Shares had by midday traded shares at triple the rate of Auxilio's 90-day average.