life and why time may be running out. i m wolf blitzer. you re 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 i m quoting, fear and greed are driving this frantic cycle of buying and selling and that s costing investors trillions of dollars on paper. joining us now, richard quest. what is going on in europe right now that could drive down wall street so quickly, so dramatically. tt markets are feeding on themselves. the problem in europe concerned france and fears that france may lose its own aaa rating. that has been denied by the rating agencies. and secondly some french banks may be in trouble. they came out and said rumors were founded, but it doesn t really matter in this market. the rumors were a toll was taken. europe fed into the u.s. the u.s. fed back to europe. and t