Financial regulators in Sweden have fined Carnegie Skr300,000 (€32,817) for pumping-up prices on derivatives trades in the latest scandal to hit the tarnished investment bank.

Carnegie was handed the penalty by a disciplinary committee at Nordic exchange operator OMX for contravening its rules on trading in derivative instruments. In April, a broker at the bank placed orders for an index future that caused the price of other contracts on that index to rise. The broker then sold contracts at the increased price before withdrawing the initial order.