The Nasdaq was up 1.07% to 3,097 in midday trading Tuesday, while the Dow Jones Industrial Average rose 0.88% to 13,542.
The S&P 500 was up 0.95% to 1,454.
The yield on a 10-year treasury bond rose 2.95% to 1.71%.
The price of gold was up 0.47% to $1,746 per ounce.
Shares of Santa Ana-based Identive Group Inc. rose about 25% to $1.31, after the company announced a new smart card reader for iPads, iPhones and other Apple Inc. mobile devices. Identive had a recent market cap of $82 million.
Irvine-based TigerLogic Corp. was up about 12% to $2 for a market value of $54 million.