Why are oil prices falling?

http://bigstory.ap.org/article/0e223f827cd44ffaa477fd376edd85ea/us-led-strikes-hit-held-oil-sites-syria


The question has arisen about Why the Oil prices have not jumped due to this action? But rather they are still dropping? Coincidentally in time for the upcoming elections? Formerly if Someone in the oil producing countries sneezed the barrel price would jump drastically. You Don't REALLY think oil prices are manipulated.....do You?