Dollar climbs following upbeat data; Greece talks eyed

By Chuck Mikolajczak NEW YORK (Reuters) - The U.S. dollar gained on Monday after a round of economic data kept expectations alive for an interest rate hike from the Federal Reserve this year, while the euro fell on worry about Greece's financial crisis and soft euro zone data. The strengthening dollar weighed on oil prices, which were also dented by expectations OPEC production would remain high. U.S. stocks closed modestly higher in a choppy session as a deal by Intel Corp to acquire Alter