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  2. Trading curb - Wikipedia

    en.wikipedia.org/wiki/Trading_curb

    A trading curb (also known as a circuit breaker [1] in Wall Street parlance) is a financial regulatory instrument that is in place to prevent stock market crashes from occurring, and is implemented by the relevant stock exchange organization. Since their inception, circuit breakers have been modified to prevent both speculative gains and ...

  3. 2020 stock market crash - Wikipedia

    en.wikipedia.org/wiki/2020_stock_market_crash

    The benchmark stock market index on the Johannesburg Stock Exchange fell by 9.3%. [265] The MERVAL on the Buenos Aires Stock Exchange fell 9.5% to 19.5% on the week. [266] 12 March was the second time, following 9 March drop, that the 7%-drop circuit breaker was triggered since being implemented in 2013. [236]

  4. 2010 flash crash - Wikipedia

    en.wikipedia.org/wiki/2010_Flash_Crash

    These circuit breakers would halt trading for five minutes on any S&P 500 stock that rises or falls more than 10 percent in a five-minute period. [86] [87] The circuit breakers would only be installed to the 404 New York Stock Exchange listed S&P 500 stocks. The first circuit breakers were installed to only 5 of the S&P 500 companies on Friday ...

  5. Stock market crash - Wikipedia

    en.wikipedia.org/wiki/Stock_market_crash

    Stock price graph illustrating the 2020 stock market crash, showing a sharp drop in stock price, followed by a recovery. A stock market crash is a sudden dramatic decline of stock prices across a major cross-section of a stock market, resulting in a significant loss of paper wealth. Crashes are driven by panic selling and underlying economic ...

  6. Circuit breaker (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Circuit_breaker...

    A circuit breaker is an automatic electrical switch. Circuit breaker or circuit breakers may also refer to: Trading curb or circuit breaker, a stock market term; Richie Hawtin (born 1970) alias Circuit Breaker, an electronic musician and DJ "Circuit Breaker", a song from Röyksopp's album The Understanding

  7. BSE SENSEX - Wikipedia

    en.wikipedia.org/wiki/BSE_SENSEX

    The index hit the lower circuit breaker in barely a minute after the markets opened at 10 am. Trading was suspended for an hour. On reopening at 10.55 am IST , the market saw its biggest intra-day fall when it hit a low of 15,332, down 2,273 points.

  8. Automated trading system - Wikipedia

    en.wikipedia.org/wiki/Automated_trading_system

    Later, Justin-Niall Swart employed a Donchian channel-based trend-following trading method for portfolio optimization in his South African futures market analysis. [ 18 ] The early form of an Automated Trading System, composed of software based on algorithms, that have historically been used by financial managers and brokers.

  9. Circuit breaker analyzer - Wikipedia

    en.wikipedia.org/wiki/Circuit_breaker_analyzer

    A circuit breaker analyzer is an instrument that measures the parameters of a circuit breaker. [1]In 1984, Megger patented a digital circuit breaker analyzer, controlled by a microprocessor. in 2020 few companies develop software to control circuit breaker analyzers from different devices such as computers, tablet computer, smartphones and others.