By Ryan Vlastelica
NEW YORK (Reuters) - U.S. stocks edged higher on Friday, with the S&P 500 within grasp of record levels in the wake of strong results at Priceline, though investors found little reason to push shares solidly higher following a recent rally.
Traders continued to watch the political situation in Ukraine, with EU mediators expecting an agreement between Ukraine's pro-European opposition and Russian-backed President Viktor Yanukovich, though the former was seeking last-minute changes to the deal.
Geopolitical concerns may take on a bigger role next week, when there will be few U.S. earnings and data releases to otherwise drive trading.
A report showed existing home sales fell more than expected to an 18-month low in January, the latest metric to indicate softness, though many analysts pin the weakness to weather instead of worsening fundamentals.
"We think the market is fairly valued, and there's reluctance to get excited at these levels, even though stocks remain the best bet on a long-term basis," said Malcolm Polley, president and chief investment officer of Stewart Capital Advisors in Indiana, Pennsylvania.
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Priceline.com Inc
Hewlett Packard Co
The Dow Jones industrial average was up 33.06 points, or 0.20 percent, at 16,166.29. The Standard & Poor's 500 Index was up 3.83 points, or 0.21 percent, at 1,843.61. The Nasdaq Composite Index was up 10.70 points, or 0.25 percent, at 4,278.24.
For the week, the Dow is up less than 0.1 percent, the S&P 500 is up 0.3 percent and the Nasdaq is up 0.8 percent. All three indexes are gunning for a third week of advances, and the S&P is 0.2 percent away from an all-time high of 1,848.38 reached January 15.
In company news, Groupon Inc
Pharmacy benefit manager Express Scripts Holding Co
Tesla Motors Inc
(Editing by Bernadette Baum)