The S&P 500 rose 0.36% to 2.060.19 in midday trading.
The Dow Jones Industrial Average rose 0.38% to 1,786.87, and the Nasdaq rose 0.22% to 4,712.24.
The yield on a 10-year Treasury bond declined 0.6% to 2.32%.
The price of gold rose 0.55% to $1,197.50.
Costa Mesa-based El Pollo Loco was up 1.6% to $29 and a market cap of $1 billion in a slight recovery from its 8% decline yesterday, the date insiders could begin to sell 6 million shares.
Irvine-based Ubiquity Inc. is up 24.6% to $1.52 and a market cap of $156.7 million on high volume in a second day of increases. Midday trading volume hit 250,000 shares compared with its 90-day average of 35,000 and the share price of the multimedia company has doubled since Wednesday.