一、美国投资银行主要业务分类美国投资银行核心业务大致分为三类 :传统型、创新型和引申型。传统型业务主要包括证券承销、经纪和自营 ,这是投资银行最本源、最基础的业务 ,也是投资银行业兴起至今给该行业带来最丰厚利润的业务。创新型业务是 60— 70年代发展起来的诸如企业 First, the main types of investment banking business in the United States Investment Bank’s core business broadly divided into three categories: traditional, innovative and extended type. Traditional businesses mainly include securities underwriting, brokerage and self-financing, which are the most fundamental and basic businesses of investment banks and also the business that brings the most lucrative profits to the industry since the rise of investment banking. Innovative business was developed in the 1960s and 1970s, such as enterprises