The S&P 500 was up 0.1% in midday trading to 2,101.76.
The Dow Jones Industrial Average was up 0.1% to 17,947.49.
The NASDAQ was up 0.3% to 4,857.48.
The yield on a 10-year Treasury bond was down 2.4% to 1.45%.
The price of gold was up 1.4% to $1,339.
Tustin-based Peregrine Pharmaceuticals Inc. was up 8.5% to 40 cents and a $92 million market cap on moderate volume. The company develops therapies for cancer diagnosis and treatment.
Irvine-based CryoPort Inc. was down 3.4% to $2.01 and a $26 million market cap on high volume. The company makes order tracking and monitoring software for life sciences companies that ship cryogenically frozen items.