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U.S. Securities and Exchange Commission
@SECGov
The SEC protects investors, maintains fair, orderly, and efficient markets, and facilitates capital formation. Disclaimer:
加入 December 2008
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For week 2 of our Freedom 250 campaign, we’re highlighting another transformational milestone in the history of our capital markets: the invention of the stock ticker. A quick history lesson below ⬇️📚 Before stock tickers, brokers relied on messengers running handwritten slips of paper between exchanges and brokerage offices. In 1867, Edward Calahan created a system of telegraphy that converted stock-price signals into stamped codes on ticker tape, significantly speeding up the transfer of information. This new invention brought heightened accuracy and efficiency to a previously slow and more vulnerable stock trading system. After the technology was adopted by the New York Stock Exchange, the stock ticker quickly became the new operating standard for market participants as the first real-time electronic information network in the United States. It expanded access to price data and inspired new financial strategies. New ideas and developing technology are key to facilitating market growth and capital formation in an ever-evolving economy. Throughout its history, the SEC has worked to embrace and encourage innovation—not ignore or stifle it—to ensure our financial markets remain the deepest and most liquid in the world. Here’s to 250 more years of brilliant ideas and American prosperity! 🇺🇸 @Freedom250
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