US STOCKS-Wall St flat after leftists win Greek elections
* Instability worries follow Greek election outcome
* Rock-Tenn and MeadWestvaco rally, set to merge
* D.R. Horton up after results, lifting homebuilders
* Dow down 0.1 pct, S&P 500 and Nasdaq flat (Updates to midday trading)
By Ryan Vlastelica
NEW YORK, Jan 26 (Reuters) - U.S. stocks were little changed on Monday after a decisive Greek election victory by the leftist Syriza party spurred concern over fresh instability in the euro zone, even as the possibility of Greece leaving the bloc was considered remote.
The Syriza party looked set to take on Greece's international lenders, with leader Alexis Tsipras pledging to end five years of austerity and renegotiate Greece's debt agreements. Potential conflicts with other euro zone governments could put more strain on the currency bloc.
While the United States has limited direct exposure to Greece's relatively small economy, volatility in Europe could hurt multinational companies. If the euro continues to weaken against the dollar, that could be a headwind for earnings.
"The ongoing display of angst is that Greece removes itself from the euro zone. It's the unknown about things breaking up," said Frank Davis, director of sales and trading at LEK Securities in New York. "We consider that a remote possibility, but it makes sense for us to take a pause and reassess our fundamentals." Continuación...