Wall Street is a street in New York where the Stock Exchange and important banks are. Wall Street is often used to refer to the financial business carried out there and to the people who work there.
[business]
On Wall Street, stocks closed at their second highest level today.
Wall Street seems to be ignoring other indications that consumers are spending less.
Wall Street in British English
noun
a street in lower Manhattan, New York, where the Stock Exchange and major banks are situated, regarded as the embodiment of American finance
Wall Street in American English
1.
street in lower Manhattan, New York City: the main financial center of the U.S.
2.
U.S. financiers and their power, influence, policies, etc., or the U.S. securities market
Word origin
from a defensive wall built there by the Dutch in 1653