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Digital assets and currencies

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Securities & exchanges

Charles Hayden (banker)

Charles Hayden (July 8, 1870 – January 8, 1937) was an American banker, businessman, financier and philanthropist. He was the senior partner of Hayden, Stone & Co. and his influence was such that James W. Gerard listed him among those "who are too busy to hold political office, but determine who shall." Instrumental in the financing of Arizona copper mines and smelters, the smelting comm

Trading basics

Roger Altman

Roger Charles Altman (born April 2, 1946) is an American investment banker, the founder and senior chairman of Evercore, and a former Democratic politician. He served as