Pfizer, Goldman Sachs are among the companies selling businesses amid the stock market rally.

Pfizer, Goldman Sachs are among the companies selling businesses amid the stock market rally.

Transaction volume has grown 27% so far this year.

Transaction volume has grown 27% so far this year.

Economic slowdown and Facebook's disappointing debut curbed 2012 offerings.

Economic slowdown and Facebook's disappointing debut curbed 2012 offerings.

Initial share offerings raise $21.3 bln, down 48% from Q2 level.

Initial share offerings raise $21.3 bln, down 48% from Q2 level.