"U.S. financial world," 1836, from street in New York City that is home to many investment firms and stock traders, as well as NYSE. The street so called because it ran along the interior of the defensive wall of the old Dutch colonial town.
A street in New York City on which the New York Stock Exchange and many investment firms are located. The street's name is often used in reference to the activities conducted on it: “Stock prices fell on Wall Street.”