 Nomura Holdings Inc, Japans biggest brokerage and investment bank, turned in its second-best quarterly profit in almost two decades as it continues to slash costs as part of its efforts to turn around its business. Pretax income for Nomuras wholesale segment, which serves corporations and institutional investors, jumped more than four-fold to 87.9 billion yen. It was good quarterly results ... We will proceed with cost-cutting measures and review our business portfolio, Chief Financial Officer Takumi Kitamura said on an earnings conference call on Wednesday. 