The New York Stock Exchange opens trading each weekday morning at 9:30 a.m. Eastern Time with the ringing of its opening bell, a ceremony that has become a familiar symbol of American financial markets. Business news channels regularly broadcast the moment, and company executives are often invited to ring the bell to mark listings and milestones. Online, the short, recognisable clang has been reused far beyond market coverage, appearing in finance explainers, trading videos, reaction clips and memes whenever a creator wants an instant shorthand for Wall Street, wealth or a high-stakes opening moment.