The Big Board

자료: 1. http://www.answers.com/big%20board

2. http://www.answers.com/topic/new-york-stock-exchange-economics

Investment Dictionary: 

Big Board

A nickname for the New York Stock Exchange.

Investopedia Says:
Founded in 1792, the NYSE is the oldest exchange in the United States, on which more than 2,000 common and preferred stocks are traded. Back in 1792, the trading floor was under a buttonwood tree. Nowadays, this area is known as Wall Street.

Financial & Investment Dictionary: New York Stock Exchange (NYSE)

Founded in 1792, it is the largest equities marketplace in the world. It is located at 11 Wall Street in New York City; also known as the Big Board and The Exchange. ...