Iran's Stock Exchange

According to a post on the BBC site today, shares on the Tehran stock exchange, have increased in value by 20% during the year.
This is the only economy in the world - indeed possibly in world history - in which you can borrow money from the bank and then receive a higher rate of interest by depositing it in the same bank.
According to the BP survey, taken together this country has the largest combined oil and gas reserves in the world, and it is the world's third largest oil exporter.
Iran's oil minister said his country earned $70bn (£41bn) from oil exports last year - the vast majority of both its export earnings, and of government revenue.