Greifeld: Need to be better at 'defensive driving'

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Greifeld: Need to be better at 'defensive driving'

Greifeld: Need to be better at 'defensive driving'
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Greifeld: Need to be better at 'defensive driving'

by CNBC Videos 8:52 mins

Robert Greifeld, CEO, Nasdaq OMX Group, responds to yesterday's shutdown of the Nasdaq. We invest a lot of money in our systems, he says, but we need to be better at "defensive driving" when there are issues elsewhere that trigger a problem in your sys...

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