Then I want to talk about investment banking.

然后我会讨论一下投资银行。

Investment banking had to be a separate firm.

投资银行业务必须由独立公司承担。

It is certainly no giant in investment banking now.

现在可以肯定的是在投资银行业里并没有巨人。

I also like investment banking because I created one.

我喜欢银行投资业还有一个原因，因为我建立了一个银行。

Investment banking does underwriting of securities.

投行做的是证券承销。