Goldman Sachs traders recorded only one daily loss in the third quarter, highlighting the trading bonanza that is sweeping Wall Street as central banks continue to pump billions of dollars into the financial system

The performance, which was revealed yesterday in a regulatory filing, compares with two losing trading days in the previous quarter and confirms that the authorities' drive to revive markets after the crisis is yielding huge windfalls for some banks. Before the crisis, banks regularly recorded trading losses on several days in a quarter.