Greece lags as U.S. boost helps euro zone shares to halt slide
* Euro STOXX 50 up 0.5 pct; Greece's ATG down 7.4 pct
* Main indexes rebound after strong U.S. data
* Airbus sags; questions over fuel-efficient aircraft demand
By Francesco Canepa and Blaise Robinson
LONDON\PARIS, Dec 11 (Reuters) - Euro zone shares snapped a three-day losing streak on Thursday, taking their lead from gains on Wall Street after some stronger-than-expected consumer spending data from the United States.
Greek shares fell for a third day, however, as upcoming presidential elections sparked fears of political instability that could send the country back into crisis.
If Prime Minister Antonis Samaras fails to secure victory for his presidential candidate, snap national elections would be called which the leftist Syriza party, an opponent of Greece's bailout deal with the European Union and IMF, would likely win.
"The market is pricing in that this political uncertainty will slow down the economic recovery," Natasha Roumantzi, head of analysis at Piraeus Securities in Athens, said.
"If there is no indication that there will be a political solution, then stocks will fall further." Continuación...