Carnegie Investment Bank, the Nordic region’s largest, has increased its loan facility from the Swedish central bank to Skr5bn ($620m) after its share price went into freefall.

Carnegie’s shares fell 53 per cent on Monday after it announced it had been granted a Skr1bn bridging loan from the central bank to ease a liquidity crisis and was being investigated by the Swedish FSA over its internal controls. Its shares fell a further 12 per cent on Tuesday to close at Sk12.05.