Video-o-rama: Stock markets – turnaround time, By Barry Ritholtz <a href="http://www.ritholtz.com/blog/2009/03/video-o-rama-stock-markets-%e2%80%93-turnaround-time/" rel="nofollow" target="_blank">http://www.ritholtz.com/blog/2009/03/video-o-rama-stock-markets-%e2%80%93-turnaround-time/</a>