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When stock exchanges malfunction, what keeps total chaos from taking hold?

Oct 20, 2020
A lot of investment banks and brokers are working behind the scenes to straighten out all of the stock exchange orders.
On Monday, markets across Europe were taken completely offline after their exchange operator, Euronext, suffered a software glitch.
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The NYSE's high-stakes software upgrade

Feb 24, 2016
The venerable exchange wants to retake the technological lead from competitors.
Spencer Platt/Getty Images