UPDATE 1-Speculators long U.S. dollar for 1st time in six weeks-CFTC, Reuters

(Adds table, details on dollar contracts) May 27 (Reuters) - Speculators turned bullish on the U.S. dollar for the first time in six weeks, with net longs on the currency notching their largest level since late March. More upbeat U.S. economic data as well as suggestions of a possible interest rate increase next month by several Federal Reserve officials in recent speeches have boosted sentiment on the dollar. The value of the dollar's net long position was $3.73 billion in the we