L'immeuble Flour & Grain Exchange est situ au 177, rue Milk, seulement un pt de maisons au sud de la douane. La belle structure en granit a t acheve en 1892. Le style architectural est de style no-roman, avec des fentres cintres plusieurs niveaux et un toit conique l'angle nord-ouest. La Chambre de commerce de Boston a occup le btiment de 1892 1902, avant le Grain Exchange. Photo by Pascal Bernardon on Unsplash [Download]

From hungry squirrels to cyberattacks, exchange outages roil markets

Exchange outages, caused by software and hardware glitches, cyberattacks, and even hungry squirrels, have roiled markets and shaken investor confidence for decades, as trading has moved from the floors and pits of bourses to electronic systems that match trades at nearly the speed of light.

28: New Zealand's stock exchange NZX.NZ resumed trading after four consecutive days of disruptions in the wake of cyberattacks.

July 1: A software glitch temporarily shut down trading on Germany's electronic trading platform Xetra, managed by Deutsche Boerse DB1Gn.DE.

27: TMX Group Ltd X.TO, Canada's biggest stock exchange operator, had its second outage in less than two years, when a hardware failure caused problems with order entries, resulting in the shutdown of trading across three local bourses for nearly two hours.

August 2, 1994: A squirrel chewed through a power line in Turnbull, Connecticut, where Nasdaq used to keep its servers and the exchanges backup power system failed to kick in, leading to a more than half an hour outage. 9, 1987, when a squirrel chewed through a power cable in Turnbull set off a sequence of events that shutdown trading on the Nasdaq for nearly an hour and a half.

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