Stack Indices News Today

life and why time may be running out. im wolf blitzer. youre in "the situation room." the sinking feel is back on wall street. the breaking news this hour. all major stack indices with the dow down 500 points. once again, we saw dramatic fluctuations over the course of the trading day. one analyst says, and im quoting, fear and greed are driving this frantic cycle of buying and selling and thats costing investors trillions of dollars on paper. joining us now, richard quest. what is g...