At least in the UK bank deposits up to £85,000 are protected by a government scheme, so you can't lose all your money. I expect the FCA would offer the same "be

At least in the UK bank deposits up to £85,000 are protected by a government scheme, so you can't lose all your money. I expect the FCA would offer the same "be prepared to lose all your money" advice to anyone who wanted to invest in a single stock too.