1) Former investment bank 
Shearson was the name of a series of investment banking and retail brokerage firms from 1902 until 1994, named for Edward Shearson and the firm he founded, Shearson Hammill & Co. Among Shearson`s most notable incarnations were Shearson / American Express, Shearson Lehman / American Express, Shearson Lehman Brothers, Shearson Lehman Hutton and fin....