Question

what do you mean by Wall Street exchange

Answer 1

Wall Street Exchange:-

It was the world's largest stock market during that time.
Thousands of people had their shares there in the market.
When it crashed people tried to sell all their shares as they were going in loss.
So after the crash there was a great economical depression in the whole world.

Answer 2

New York Stock Exchange

Wall Street is a street located in the lower Manhattan section of New York City that is the home of the New York Stock Exchange or NYSE. Today, Wall Street is used as an umbrella term to describe the financial markets and the companies that trade publicly on exchanges throughout the U.S.❤️