Deception, fraud and markets: who, why, how and when?

Financial markets and institutions are highly mature, organized, regulated
and monitored
But when people and money meet, temptations are high to find either
simple shortcuts, or elaborate tricks, so that money move from a naive
pockets to a rogue one.
There are isolated scams usually, but in some period they tend to 
generalize,
as seems to be the case presently.
Beware of the tricks, here are the main ones:
http://pagesperso-orange.fr/pgreenfinch/bfglo/bfglo.deception.htm