By Ryan Vlastelica
NEW YORK (Reuters) - U.S. stocks were mostly lower on Monday as a mixed bag of corporate earnings pointed to an uncertain growth outlook, which could lead to more volatile trading ahead.
While a majority of S&P 500 companies that have reported earnings so far have topped analysts' expectations, as is typical, a number of high-profile disappointments have raised questions about whether the market's steep run so far this year may be out of gas.
General Electric Co
"Weak corporate outlooks have added to the growth fears that are making investors more risk averse," said Eric Green, senior portfolio manager at Penn Capital Management in Philadelphia. "Ultimately, we think cyclical names will lead the market higher, but in the short term, the decline could continue."
Wall Street is coming off a week of extreme volatility, with the CBOE Volatility Index jumping 24 percent, the biggest weekly gain for the so-called fear index this year. The VIX was up 1.9 percent at 15.26 at midday on Monday, off its intraday high of 16.00.
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Caterpillar Inc
Halliburton
With 104 S&P 500 components having reported results through Friday, 67.3 percent of companies have topped profit expectations, according to Thomson Reuters data. Analysts expect earnings growth of 2.1 percent this quarter, up from expectations of 1.5 percent at the start of the month.
The Dow Jones industrial average was down 49.18 points, or 0.34 percent, at 14,498.33. The Standard & Poor's 500 Index was down 0.67 points, or 0.04 percent, at 1,554.58. The Nasdaq Composite Index was up 9.03 points, or 0.28 percent, at 3,215.08.
Investors will be looking to the S&P 500's 50-day moving average of 1,544.74, which could serve as a level of market support. The index closed under that level for the first time this year on Thursday, but rebounded above it on Friday.
The S&P 500 posted its worst week of 2013 last week, largely on weak corporate earnings and signs of slowing growth from China, which led to a steep drop in commodity prices. Last week's decline fueled talk that the market's long anticipated pullback had arrived, though the S&P 500 remains up nearly 9 percent on the year.
The Nasdaq held in modestly positive territory on strength in Microsoft Corp
Netflix Inc
The National Association of Realtors said existing home sales slipped 0.6 percent last month to a seasonally adjusted annual rate of 4.92 million units. Economists polled by Reuters had expected home resales to rise to an annual rate of 5.01 million units.
Power-One Inc
CECO Environmental Corp
(Editing by Jan Paschal)