The Roaring Twenties were a time of exuberance in America, and one of the most famous signs of this exuberance was the roaring stock market. But underneath all the giddiness was a dark NYSE Regulation (“NYSER”) is responsible for monitoring activities on the NYSE’s equities, options, and bonds markets – i.e., the New York Stock Exchange LLC (equities and bonds), NYSE Arca, Inc. (equities and options), NYSE American LLC (equities and options), NYSE National, Inc. (equities), and NYSE Chicago, Inc. (equities) (collectively, the “NYSE Exchanges”) – and for Up to date market data and stock market news is available online. View US market headlines and market charts. Get the latest economy news, markets in our Market Overview.