GLOBAL MARKETS-Asian stocks sag, Greek worries continue to dog euro
March 31, 2015 at 20:32 PM EDT
TOKYO, April 1 (Reuters) - Asian stocks sagged on Wednesday, taking their lead from weaker U.S. shares, while the dollar held to sizeable gains against a euro dogged by nerves over Greek debt negotiations. Crude oil prices continued declining as negotiations between Iran and world powers over nuclear technology with potential supply implications dragged on beyond a deadline.