Wall Street was a street in New York City, Earth. During the 19th, 20th, and part of the 21st century it was a financial center until the planet abandoned currency-based economics. At Chimney Corner, it intersected Broadway. (TNG: "The Big Goodbye"; DS9: "In the Cards")
The pages seen in the episode were actually from the detective novel,
The Listening Man, by author John A. Moroso. This novel was published in 1924. Information on Park Row was from page 179.
A major newspaper, the Wall Street Journal, was named after the street. (TNG: "The Neutral Zone")
In accordance with their extreme capitalist mindset, Ferengi historical records on 21st century Earth describe Wall Street with reverence. (VOY: "11:59")