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  2. List of largest daily changes in the Nasdaq Composite

    en.wikipedia.org/wiki/List_of_largest_daily...

    Largest intraday percentage drops. An intraday percentage drop is defined as the difference between the previous trading session's closing price and the intraday low of the following trading session. The closing percentage change denotes the ultimate percentage change recorded after the corresponding trading session's close.

  3. List of largest daily changes in the S&P 500 Index - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_daily...

    Download as PDF; Printable version; In other projects ... [1] Largest daily percentage gains [2] ... This table shows the largest intraday point swings since 1967. Rank

  4. Day trading - Wikipedia

    en.wikipedia.org/wiki/Day_trading

    Chart of the NASDAQ-100 between 1994 and 2004, including the dot-com bubble. Day trading is a form of speculation in securities in which a trader buys and sells a financial instrument within the same trading day, so that all positions are closed before the market closes for the trading day to avoid unmanageable risks and negative price gaps between one day's close and the next day's price at ...

  5. Call logging - Wikipedia

    en.wikipedia.org/wiki/Call_logging

    The call logging trial proved successful and while it was initially designed to gather phone call data and cost of billing details specific to the customers' call's, a hidden benefit emerged such that local management were also able to see a pattern of the types of calls being generated, i.e. calls to and from certain businesses in addition to ...

  6. List of downloadable songpacks for the SingStar series

    en.wikipedia.org/wiki/List_of_downloadable_song...

    Over 70 different SingStar SKUs have been released worldwide, [1] featuring over 1,500 disc-based songs. [2] Editions of SingStar for the PlayStation 3 support downloadable content in the form of additional songs for the game. Almost all songs are able to be purchased individually, although some songs can only be purchased in themed packs of five.

  7. Busy-hour call attempts - Wikipedia

    en.wikipedia.org/wiki/Busy-hour_call_attempts

    In telecommunications, busy-hour call attempts (BHCA) is a teletraffic engineering measurement used to evaluate and plan capacity for telephone networks. [1] BHCA is the number of telephone calls attempted at the sliding 60-minute period during which occurs the maximum total traffic load in a given 24-hour period (BHCA), and the higher the BHCA, the higher the stress on the network processors.

  8. Call processing - Wikipedia

    en.wikipedia.org/wiki/Call_processing

    Call processing in this sense may include the initial greeting of the call (perhaps time-of-day or other factor dependent) to routing the call based on dialed digits or lack thereof. The automated treatment may include routing the call to an Interactive Voice Response System (IVR) , sending the call to a voice mail system , queuing the call ...

  9. Call-second - Wikipedia

    en.wikipedia.org/wiki/Call-second

    For example, one call-hour could be one call for an hour or two (possibly concurrent) calls for half an hour each. Call-seconds give a measure of the average number of concurrent calls. Offered load is defined as the traffic density per unit time, measured in erlangs. An erlang is defined as one call-hour per hour, or 3,600 call-seconds per hour.