Japan to keep intervening to defend 160-per-dollar level, ex-BOJ official says
By Leika Kihara TOKYO, May 7 (Reuters) - Japan likely intervened during the Golden Week holidays and will step back into the market if the yen renews its slide below the psychologically key 160-per-dollar level, Atsushi Takeuchi, a former central bank official who took part in Tokyo's market forays