By Chuck Mikolajczak
NEW YORK (Reuters) - U.S. stocks were poised to open higher on Thursday, following a ceasefire agreement between Russia and Ukraine and surprising stimulus measures by Sweden's central bank, although soft economic data may keep gains in check.
Leaders of Germany, France, Russia and Ukraine agreed a deal to end fighting in eastern Ukraine, potentially removing a concern for investors, although the pact remained fragile.
Also helping to lift futures was a decision by Sweden's Riksbank to introduce negative interest rates and launch bond purchases, while saying it could take further steps to fight falling prices.
Talks over Greek debt with euro zone finance ministers failed to yield an agreement, with negotiations set to continue on Monday.
But futures trimmed gains after data showed U.S. initial jobless claims rose more than expected in the latest week, while retail sales barely rebounded in January.
"You have all these sort of overseas positives and two domestic negatives with the claims data and the retail sales data missing," said Phil Orlando, chief equity market strategist at Federated Investors in New York.
"So we are still stuck in this trading range with a lot of volatility and nervousness."
S&P 500 e-mini futures
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December business inventories data is expected later in the session at 10:00 a.m., with expectations for a rise of 0.2 percent.
Thomson Reuters data showed that 72.4 percent of the 352 S&P 500 components that have reported earnings beat expectations, above the 69 percent in the past four quarters. The earnings growth rate for the quarter stands at 6.7 percent.
(Editing by Bernadette Baum)