The key : Accounting. Never ever put funds to private unaudited “trust me” operators.
Madoff makes markets. Founded in 1960, Bernard L. Madoff Investment Securities is a top market maker in US stocks, including all of the S&P 500 and more than 350 Nasdaq stocks, as well as bonds and other instruments. It is also a member of the London Stock Exchange. The firm moves large blocks of stock for institutional clients by splitting up orders or arranging off-exchange transactions between parties. Clients include brokerages, banks, and other financial institutions. The firm, which is controlled by founder Bernard Madoff and his family, also performs clearing and settlement services.
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