U.S. stocks closed lower Tuesday as traders awaited the start of the corporate earnings season.
The Dow Jones industrial average dropped 55.44 points, or 0.4 percent, to 13,328.85. The Standard & Poor's 500 index fell 4.74, or 0.3 percent, to 1,457.15. The Nasdaq composite index shed 7.01, or 0.2 percent, to 3,091.81.
Alcoa reported its fourth-quarter financial results after the market closed, marking the unofficial kickoff to weeks of earnings announcements from U.S. companies. The aluminum maker said its revenue results exceeded the expectations of Wall Street analysts, while per-share earnings were roughly in line with expectations. Alcoa rose 20 cents, or 2.1 percent, to $9.30 in late trading.
Alcoa is traditionally the first of the 30 companies in the Dow average to report earnings.
Market-watchers expect the quarter's results could include many surprises because of events like Superstorm Sandy, the presidential election, and the narrowly avoided tax increases and spending cuts known collectively as the "fiscal cliff."
"Earnings is going to be the big driver for the next couple of weeks, and we're just sitting around waiting for it to begin," said Kim Caughey Forrest, vice president and senior analyst at Fort Pitt Capital Group, an investment management firm.
The European debt crisis continued to cast a pall over the market. Unemployment in the 17 countries that use the euro hit a new high, leading the European Union to warn about the risk of fraying social welfare systems in southern Europe.
Trading has been cautious in the week since Congress and the White House struck a deal to maintain lower tax rates and postpone sweeping cuts in government spending. Enthusiasm about the compromise pushed the Dow up 300 points last Wednesday, its biggest gain since December 2011.
In corporate news:
— Agriculture products giant Monsanto rose $2.56, or 2.7 percent, to $98.50 after saying its profit nearly tripled in the first fiscal quarter, helped by strong seed sales in Latin America. Monsanto raised its earnings guidance for the year.
— Video game seller GameStop lost $1.56, or 6.3 percent, to $23.19 after reporting weak holiday-season sales and cutting its revenue guidance.
— Yum Brands, operator of the KFC and Taco Bell fast food chains, plunged after saying a key sales metric in China fell more than expected in the fourth quarter. The decline was related to problems at two of its small chicken suppliers; nearly half of the company's revenue came from China in 2011. Yum lost $2.85, or 4.2 percent, to $65.04.
— In Korea, electronics giant Samsung said it expects record earnings for the fourth quarter as shoppers continue to embrace its smartphones and tablets. But there were signs its momentum is slowing, and the company's stock closed down 1.3 percent in Seoul.
Daniel Wagner can be reached at www.twitter.com/wagnerreports .
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