Lender Mizuho Financial, the world's largest bank by assets, said efforts to clean up its loan book were bearing fruit. Bad loans had declined to 4.68 trillion yen at the end of June compared with 4.79 trillion three months before. Its stock added 1000 yen or 1% at 109,000. The Nikkei 225 was little changed, falling 5.6 points to 9834.31.