US stocks : Dow up 0.5 pct

"The public is pouring in now," said Carter Worth, chief market technician at Oppenheimer & Co in New York. "It reflects complacency and that typically leads to hubris, and hubris leads to trouble. Everyone's buying."

The top performing sectors on the S&P 500 were healthcare and telecom services, so-called defensive sectors, both up more than 1 percent.

The energy sector also advanced, on the back of strong earnings from Valero Energy Corp and a hedge fund move to break up Hess Corp to boost investor returns.

Valero shares jumped 12.8 percent to $43.77 and Hess gained 9 percent to $68.11.

The equity gains have largely come on a strong start to earnings season, though results were mixed on Tuesday with Pfizer rising but Ford Motor Co down after its report.

Both companies reported profits that topped expectations, but Ford also forecast a wider loss in its European segment. Ford dropped 4.6 percent to $13.14 as one of the biggest percentage losers on the S&P 500.

The Dow Jones industrial average was up 72.49 points, or 0.52 percent, at 13,954.42. The Standard & Poor's 500 Index was up 7.66 points, or 0.51 percent, at 1,507.84. The Nasdaq Composite Index was down 0.64 points, or 0.02 percent, at 3,153.66.

Thomson Reuters data showed that of the 174 companies in the S&P 500 that have reported earnings this season, 68.4 percent have been above analyst expectations, which is a higher proportion than over the past four quarters and above the average since

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