Oil: Quick change commodity

Oil-price experts have had a rough week. On Monday, when the price of crude topped $147 a barrel, they were mulling over a $200 peak. By Friday, the price had dropped 12% to $130 and the question was whether this bubble has finally and definitively popped. It will, sooner or later. When supply gets durably ahead of demand, financial conditions will no longer set the price, because the key factor will no longer be the cash and credit available to buy scarce oil. Then the price will tumble back t...