Tokyo, July 5 (BridgeNews) - Japan's index of leading indicators, which shows economic conditions two to six months ahead, rose to 71.4 in May from 33.3 in April, the Cabinet Office said. The index of coincident indicators, which roughly shows current economic conditions, climbed to 25.0 in May from 10.0 in April. The leading index reached above the critical 50.0 "boom-or-bust" level in May for the first time since December when the index was at 63.6.