Upon further investigation into why the Dow Jones has just taken hit, here is some information on what that is. According to news wire reports the US Department of Justice (DOJ) is to launch an investigation into United Health (the hitherto largest stock in the Dow) and seems that news has sent the price UNH tumbling in the premarket just now and that in turn has sent the Dow Jones futures abruptly lower, now pricing the opening at 44,045