By Chuck Mikolajczak
NEW YORK (Reuters) - U.S. stocks dropped on Wednesday, retreating from their second-best daily performance of the year in the prior session after a batch of disappointing earnings reports and another drop in commodities.
Bank of America Corp
Technology shares were also weaker in the wake of earnings from Intel Corp
"Markets may be down today because of some individual companies disappointing on earnings, but the overall earnings season is OK," said David Kelly, the chief global strategist for JPMorgan Funds in New York.
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Brent crude slid a touch below $99 per barrel and copper dropped 2.5 percent as softer-than-expected data in the U.S. and China has heightened worry over demand.
The S&P energy index fell 1.5 percent as the worst performing S&P sector, weighed down by a 1.1 percent drop in ExxonMobil Corp
U.S. stocks had rallied on Tuesday as gold prices stabilized. Kelly cautioned the recent drop in commodities could be the result of a normalization of prices that had veered too far off course, rather than a cause for alarm in equities.
"It's important to note it's sort of a settling process here because a few things are out of whack. Gradually over time, things that didn't make sense are being removed from the scene. The huge punt we've seen in gold prices means that the market is coming back to some sort of sanity," Kelly said.
The Dow Jones industrial average dropped 103.06 points, or 0.70 percent, to 14,653.72. The Standard & Poor's 500 Index lost 13.70 points, or 0.87 percent, to 1,560.87. The Nasdaq Composite Index fell 33.02 points, or 1.01 percent, to 3,231.61.
Yahoo Inc
According to Thomson Reuters data through Tuesday morning, of the 42 companies in the S&P 500 that have reported earnings to date for the first quarter of 2013, 66.7 percent have beaten analyst expectations. Over the past four quarters, 67 percent of companies beat estimates, while the average since 1994 is a 63 percent beat rate.
S&P 500 earnings are now expected to have risen 1.8 percent in the first quarter, based on actual results from 42 companies and estimates for the rest, up from a recent estimate of 1.1 percent growth.
Other S&P 500 companies expected to report on Wednesday include American Express Co
Later in the session, investors will eye the Federal Reserve's Beige Book of economic conditions at 2:00 p.m. (1600 GMT).
(Reporting by Chuck Mikolajczak; Editing by Chizu Nomiyama and Nick Zieminski)