this is the concern for the u.s. growth. and also we had private payroll coming in better than expected for the month of september but pretty much solidified the fact that we are dealing with slower growth in jobs. and last we saw 214,00 214,000 s each and every quarter and coupled with the manufacturing gauge, yesterday the weakest in ten years. that has people concerned about reality of the slowing u.s. economy. and when that will eventually hurt the u.s. consumer. so the likes of coal, passed by the retailers taking a hit today. also wall street felt a bit of panic and concerns on news reports bernie sanders will be taking time off of the campaign trail because of chest pain. having two stints put in and does give the advantage to somebody like elizabeth warren capturing the nomination. warren, attacked the stock and bond trade and so that had wall street having a bit of a gut check. let's keep things in perspective