Sandy Weill defines the art of the Wall Street deal By: CNBC.com News April 29, 2014 at 07:00 AM EDT Assembled two of Wall Street's great financial conglomerates, Shearson and Citigroup, shattering Glass-Steagall on the way, but would see both crumble. Read More >> Related Stocks: American Express Citigroup JPMorgan Chase & Co ML DEPOSITOR PREFERREDPLUS 8.375 CITIZENS COMMUN CERT. CZN-1