Actually there are a combination of factors impacting the markets, many of which are geopolitical. There were also a couple of bad domestic economic reports today that rattled the markets.
But overall the USA is a mess — nearly everywhere you look things are not good. The anxiety level is rising and the worries over Ebola are certainly adding to the general fear level.
My 77 year old mother who spends 90% of her life at home called me last night. She was frightened about Ebola. (thanks fox news). She got a little better and a little more sanity when I told her our country has around 300 million people in it. And 2 of them have Ebola that we know of. Sometimes we gotta get a grip.