アメリカン・エキスプレス
Shearson/American Express, an American Express-owned securities company focused on brokerage rather than investment banking, acquired Lehman in 1984, for $360 million. On May 11, the combined firms became Shearson Lehman/American Express. In 1988, Shearson Lehman/American Express and E.F. Hutton &amp; Co. merged as Shearson Lehman Hutton Inc.