The collective wealth of the richest 400 Americans has fallen by $300bn (£187m) over the past year, according to the latest Forbes 400 rich list.
With downturn in the financial markets and wider economy taking its toll, this is an annual decline of 19%.
Out of the 400 people on the list, business magazine Forbes estimates that 314 saw their wealth decline.
It was only the fifth time since the Forbes 400 was first compiled in 1982 that the collective wealth has fallen. read more
