They are used interchangeably but there is a subtle difference. A stock exchange is an association formed to buy and sell securities or the physical location where this association operates, such as...
There are many markets in the US as in any other country.
But the most famous ones are the following :
The NYSE - New York Stock Exchange and
The NASDAQ - Largest electronic stock market in the US.
In simple terms Broker is any person who acts as a middleman between investor and stock exchange ( a place where buying and selling of stocks take place).
In lay man terms a broker can be...
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