At midday, the Dow Jones industrial average gained 8.85, or 0.1 percent, to 10,354.25. The Nasdaq composite advanced 3.03, or 0.2 percent, to 1,970.38.The Standard & Poor's 500 index rose 3.95, or 0.3 percent, at 1,175.30.

Oil trades above the $51 per barrel level amid persistent worries about summer driving season gasoline demand. A barrel of light crude was up 19 cents at $51.15, on the New York Mercantile Exchange.

Bonds continued to decline Monday, with the yield on the benchmark 10-year Treasury note climbing to 4.279%.

COMEX gold fell 40 cents to $426.50 an ounce.

The dollar was down 0.2% against the euro at $1.2836, but up 0.5% versus the Japanese yen at 105.52 yen.

Overseas, Japan's Nikkei dropped 0.19%. Britain's FTSE 100 was down 0.17% in afternoon trading, Germany's DAX index slid 0.43%, and France's CAC-40 shed 0.33%.


Shares UP:

General Motors Corp. added 1.2%.
Cinergy Corp. climbed $2.26 to $42.64
E-Trade rose 65 cents to $12.58
Ameritrade surged $2.42, or 21.4%, to $13.73.


Shares DOWN:

Hewlett-Packard Co. was down 2.1%.
Duke's shares fell 1.5%.