Maybe it was downgraded due to this trade made two weeks before: http://etfdailynews.com/2011/07/25/investors-the-1-billion-armageddon-trade-placed-against-the-

Maybe it was downgraded due to this trade made two weeks before: http://etfdailynews.com/2011/07/25/investors-the-1-billion-armageddon-trade-placed-against-the-united-states/ http://etfdailynews.com/2011/07/25/investors-the-1-billion-a...