Treasury yields plummeted, the dollar erased gains and US stocks swung to losses after the report
The survey noted that business confidence sank to one of the lowest levels seen in over two-and-a-half years
Overall demand only rose marginally in September, hurt by almost no growth in exports, and firms barely increased headcount last month, the survey showed
July brought the biggest month-on-month decline since November 2008, just after the collapse of Lehman Brothers triggered a financial crisis
Manufacturing PMI unchanged at 52.5, same as previous month
The survey also showed that the inflationary pressure eased in the sector