The 11.8 per cent fall in the benchmark ASX 200 Index over the last month has created severe headaches for bankers looking to market large new floats such as B rookfield Multiplex Group , Grocon and Bilfinger Berger Australia (BBA).

The Brookfield Multiplex initial public offering process is said to have slowed so much that it appears unlikely the $4 billion float will see the light of day any time soon.