The S&P 500 was up 0.3% in midday trading to 2,253.20.
The Dow Jones Industrial Average was up 0.3% to 19,680.81.
The NASDAQ was up 0.3% to 5,432.37.
The yield on a 10-year Treasury bond rose 3.3% to 2.47%.
The price of gold fell 0.49% to $1,162.
Cancer drug developer Peregrine Pharmaceuticals Inc. in Tustin was up 17% to 38 cents and a $90 million market cap on five times its average volume.
Utilities consultant and engineering firm Willdan Group Inc. in Anaheim was down 5% to $24.59 and a $206 million market cap on high volume.
FINANCE Retail automobile loan servicer Consumer Portfolio Services Inc. in Irvine was up 6% to $5.89 and a $140 million market cap on high volume.