In addition to stock market cheerleading and targets from Japan’s economy minister, Yen Weakens as Candidate for Bank of Japan Promotes Easing . Japanese stock futures rose and the yen weakened after Haruhiko Kuroda, a potential contender for Bank of Japan chief, said additional monetary easing can be justified this year.“If we do see a BOJ Governor of Kuroda’s calibre, the dollar-yen could well punch through 95 and would head to 100 very quickly,†said Evan Lucas, Melbourne-based market strategist at IG Markets Ltd., a provider of trading services.