Nasdaq CEO Greifeld on Halt: 'We're Not Perfect'

Aug. 23 (Bloomberg) -- Robert Greifeld, CEO at Nasdaq, talks with Betty Liu, offering an explanation about Thursday's outage that halted trading for three hours. He speaks on Bloomberg Television's "Bloomberg Surveillance."
How Technology Can Help Combat Climate Change
18:11 - Christiana Figueres, executive secretary of the United Nations Framework Convention on Climate Change (UNFCCC), discusses the UN's call for investment in clean energy with Bloomberg's Cory Johnson on "Bloomberg West." (Source: Bloomberg)
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