Why have investment banks been so profitable? From the Economist

The Economist gives us another great article! This one is on investment banking. Not only does it provide a short history (going back pre-JP Morgan), but also brings us up to date with a look at the current (very profitable) state of investment banking.The alchemists of finance | Economist.com:A relatively long look-in:"Brokerage used to be described as a haulage business, lugging money, as a