Nasdaq glitch: Today’s interconnected systems magnify simple human errors at frightening speed — Quartz

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A glitch in after-hours trading yesterday caused some Nasdaq-listed prices to go haywire: some stocks jumped more than 3,000%, with Microsoft very briefly worth nearly $1 trillion. The episode highlights how today’s complex, interconnected digital systems can magnify seemingly small mistakes, impacting people around the world. Take British Airways, which stranded 75,000 people last month after…

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