Stock industry tumbles at close amid fears of economic slowdown

NBC News’ Christine Romans and CNBC’s Steve Liesman report as markets close and shares tumble amid a sell-off, with the Dow falling more than 1,000 points. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and … Read more