Stocks fell on Monday on signs some corporate outlooks were being strained by inflation concerns, including consumer products maker Kimberly-Clark Corp.
The market's decline in a low-volume session followed some strong earnings last week, which helped pushed the Dow to a high for the year. The S&P 500 has moved to the top end of its recent trading range where it is facing resistance.
Of S&P 500 companies that have reported, 75 percent beat analysts' expectations. That is just above the average over the past four quarters but well above the average of 62 percent since 1994, according to Thomson Reuters data.
Generally numbers have come in much better than expected so far this season, on both the top and bottom line, said Eric Green, senior portfolio manager at Penn Capital Management in Philadelphia.
But everyone is watching margins because of the energy price situation, he said.
The Dow Jones industrial average <.DJI> was down 55.97 points, or 0.45 percent, at 12,450.02. The Standard & Poor's 500 Index <.SPX> was down 5.49 points, or 0.41 percent, at 1,331.89. The Nasdaq Composite Index <.IXIC> was down 6.34 points, or 0.22 percent, at 2,813.82.
The CBOE VIX volatility index <.VIX> rose 8.7 percent after falling last week to its lowest level since 2007.
Kimberly-Clark is one of the companies most exposed to rising commodity costs because its products contain oil-based materials and paper.
On the upside, SanDisk Corp
This week is another hectic one for earnings with 180 S&P 500 companies set to report, including Amazon.com
The U.S. Federal Reserve is meeting this week and will hold the first of four press conferences per year on Wednesday. Investors are looking for clues about the direction of monetary policy when the Fed's bond buying program ends in June.
There are some nerves ahead of that meeting, which could result in some profit taking before then, Green said.
Traders noted that activity would likely be subdued as many major European markets remain closed over the long Easter weekend. About 2.07 billion shares traded on the New York Stock Exchange, the American Stock Exchange and Nasdaq as of midday, below average for this point in the session.
(Additional reporting by Edward Krudy; Editing by Kenneth Barry)