the stock market generated 27 initial public offerings for combined proceeds of 114 billion in september down from 29 deals that generated 129 billion in proceeds in the yearago period ipreo capital markets reported on tuesday total us backlog rose to 52 deals with expected proceeds of 78 billion from 27 deals with targeted proceeds of 77 billion health care deals outnumber all other sectors in ipo backlog with 25 followed by 18 in consumer services and nine in consumer goods ipos delivered a nearly 20 return in september compared to a drop of roughly 4 by the sp 500 spx  among underwriters goldman sachs gs leads in yeartodate ipo activity with 121 ipos and total proceeds of 128 billion followed by jpmorgan chase with 120 deals and proceeds of 126 billion and morgan stanley ms with 110 ipos and 121 billion in proceeds