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    • What is a feedback loop? | Definition from TechTarget

      SearchSecurity.com· 7 hours ago

      A feedback loop is the part of a system in which some portion (or all) of the system's output is used as input for future operations. Each feedback loop has a minimum of four stages. Feedback ...

    • S&P 500 today: SPX is up 14.68% YTD

      S&P 500 today: SPX is up 14.68% YTD

      USA Today· 6 hours ago

      The S&P 500 opened today at 5,441.93. Within 30 minutes of trading, the benchmark index fell by 14.30 points, or 0.26%, to 5,427.63. Year to date, the...