Early on, he traded mostly in government bonds and foreign exchange, but as the 1860s went on, he began leveraging his international contacts to connect old European money with new American industrialists.

早期他主要从事政府债券和外汇交易，但随着19世纪60年代的发展，他开始利用自己的国际关系将旧的欧洲资金与新的美国实业家联系起来。