CNBC's Rick Santelli and CBOE's Rob Hocking discuss huge moves in volatility as the market sell-off deepened..
Back to Health PageCNBC's Rick Santelli and CBOE's Rob Hocking discuss huge moves in volatility as the market sell-off deepened.
CNBC's Rick Santelli and CBOE's Rob Hocking discuss huge moves in volatility as the market sell-off deepened..
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