The S&P 500 was up 0.3% in midday trading to 2,042.32.

The Dow Jones Industrial Average was up 0.3% to 17,573.77.

The NASDAQ was up 0.2% to 4,783.59.

The yield on a 10-year Treasury bond was down 1.5% to 1.87%.

The price of gold was down 0.1% to $1,220.

BANKING

Irvine-based Banc of California Inc. was up 4% to $16.75 and a $643 million market cap on high volume. The bank holding company said it revised employment agreements with several senior executives “in view of the company’s significant growth in assets and profitability.” About four times the average number of shares had traded by midday.

SERVICES

Irvine-based Adaptive Medias Inc. was down 23% to 37 cents and an $8 million market cap. The online advertising services company said it would buy Culver City-based AdSupply Inc. for about $8 million in cash and stock.

TECHNOLOGY

Irvine-based memory products maker Netlist Inc. was down 6.5% to $1.44 and a $73 million market cap on above average volume.

Lake Forest-based Quantum Fuel Systems Technologies Worldwide Inc. was down 38% to 9 cents and a $3 million market cap. The natural gas tank maker filed for bankruptcy and received a delisting notice from NASDAQ last week. Shares are trading at a rate 10 times higher than average and its share price has fallen 75% in four days.