By Martin Lewis, November 6, 2008
Anyone with old cash ISAs can now boost the rate of interest they receive on them by a mammoth amount, thanks to banks competing to win your savings.
Everyone has the right to transfer an existing cash ISA to another provider, but the problem is that most people do not realise it.
Many leave their products untouched and unmonitored for years, sitting at whatever interest rate they are being paid. This can leave them languishing in the doldrums of the best-buy tables.
Today is the day to put a stop to that.