http://www.reuters.com/article/2011/08/09/us-markets-stocks-idUSTRE7771O020110809?feedType=RSS&feedName=businessNews&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+reuters%2FbusinessNews+%28News+%2F+US+%2F+Business+News%29
Today Dow swing from a range of about 600 points. Some of the reasons might be fed intervention, shorts position to be covered, margin call from short positions and bargain hunting. Or Even Technical Rebound