Morgan Stanley is an American multinational investment bank and financial services company headquartered at 1585 Broadway in the Morgan Stanley Building, Midtown Manhattan, New York City. With offices in more than 42 countries and more than 60,000 employees, the firm's clients include corporations, governments, institutions, and individuals. Morgan Stanley ranked No. 67 in the 2018 Fortune 500 list of the largest United States corporations by total revenue.The original Morgan Stanley, formed by J.P. Morgan & Co. partners Henry Sturgis Morgan (grandson of J.P. Morgan), Harold Stanley, and others, came into existence on September 16, 1935, in response to the Glass–Steagall Act that required the splitting of commercial and investment banking businesses. In its first year, the company operated with a 24% market share (US$1.1 billion) in public offerings and private placements.