By TheStreet.com Staff What Is the New York Stock Exchange in Simple Terms?With more than 2 billion shares trading hands each day, the New York Stock Exchange (NYSE) is the world’s largest exchange for securities trading, which is the buying and selling of debt or equity, such as stocks and bonds. The NYSE is located in a historic building in the heart of New York City’s financial district at 11 Wall Street. The NYSE was known for centuries as the Big Board because brokers would use an auction-based system to buy or sell shares of stock from its trading floor, and share prices were updated thr…