Nasdaq Shut to Stop ‘Information Asymmetry': CEO

Aug. 23 (Bloomberg) -- Robert Greifeld, chief executive officer of Nasdaq OMX Group Inc., talks about yesterday's computer malfunction that caused a temporary halt in trading. Greifeld, speaking with Betty Liu on Bloomberg Television's "Surveillance," also discusses the outlook for the exchange. (Source: Bloomberg)

How to Trade the iShares Russell 2000 ETF
04:38 - Equity Armor Investments' Joe Tigay discusses stock market volatility and his options play for the iShares Russell 2000 ETF. He speaks with Bloomberg's Julie Hyman on "Bloomberg Markets." (Source: Bloomberg)
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