﻿[ 4] While fixed-rate loans have been rolling off since then, and borrowers have generally switched onto variable-rate loans, this adjustment still has some way to play out.
Although still a matter of some debate, a general consensus seems to be emerging in the equity markets that such trading techniques enhance the proper functioning of the market in normal times by providing liquidity, but in contrast they tend to disappear suddenly from the market and thus contribute to market disruption when sharp price movements occur due to unexpected and unprecedented events.