Etymology
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Wall Street (n.)
"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.
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Dow Jones 
short for Dow Jones Industrial Average, first published 1884 by Charles Henry Dow (1851-1902) and Edward D. Jones (1856-1920), later publishers of "The Wall Street Journal."
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