http://www.bloomberg.com/news/articles/2015-07-08/u-s-index-...
Regardless of the technical cause have a feeling this will make things worse and people more nervous.
If that were true, you'd expect to see volume spikes on multiple exchanges, which so far I haven't seen any evidence of.
http://www.bloomberg.com/news/articles/2015-07-08/u-s-index-...
Regardless of the technical cause have a feeling this will make things worse and people more nervous.