Comes as Reeves mulls Cash ISA allowance cut
Any reforms 'must be handled with care'
'Too many people are unthinkingly hoarding cash'
Changes could come in Autumn Budget
Following seven months where returns beat inflation
The editor's Friday Night Takeaway from 14 February
Just 20% have maxed out their allowance
'For many, it's an invaluable opportunity and one that should be preserved'
Nine years after the introduction of the Lifetime ISA