Jones and his imitators had a run of success selling their investment products for quite a while, but the business fell into disrepute in the 1973 74 market crash.

FORBES: The $500 Billion Hedge Fund Fever

The view that OPEC was all powerful happily fell into disrepute during the 1980s along with long held beliefs that removing government price controls would lead to much higher prices.

FORBES: Commentary

After a strong start, however, it fell into a period of disrepute.

ECONOMIST: Idea