Chris Towner, of foreign currency exchange brokers HiFX, notes that the UK is on a stable outlook from Moody's, meaning there are unlikely to be any further shocks for the currency in the near future.

BBC: Credit ratings, the pound, currency movements and you

Unlike a conventional central bank, which can print money at will, a currency board issues domestic notes and coins only when there are foreign-exchange reserves to back it.

ECONOMIST: The ABC of a currency board

Under a currency board arrangement, the central bank guarantees the redemption of all notes in circulation at a set exchange rate to the dollar or another foreign currency or basket of currencies.

CNN: Suharto's Gamble

The company notes that based on current foreign-exchange rates, particularly with the euro, it expects foreign currency translation to have a negative impact on earnings per share for the full year, even though the currency impact in the second quarter is expected to be minimal or null.

FORBES: Magazine Article

The company notes that based on current foreign-exchange rates, particularly with the euro, it expects foreign-currency translation to have a negative impact on earnings per share for the full year, even though the currency impact in the second quarter is expected to be minimal or null.

FORBES