Ultra Short ETFs as new WMDs of Wall Street

An interesting article in WSJ about the impact of Ultra Short ETFs on all the wild swings we have seen recently during the afternoon trading...

The final hour of trading has become significantly more active. In November, an average 26.2% of trading volume in the stocks in the Standard & Poor's 500-stock index took place in the final hour and 17.1% in the last 30 minutes, according to data from Credit Suisse. That's a much higher share than before: In 2006 and 2007, 20.7% occurred in the last hour and 12.9% in the last half hour. continued

by Vad Yazvinski |  12/17/08