I beg to differ.
If you have cash to invest, you want to put it in real-estate.
Unless you expect the population to shrink, or people to live on the streets rather than pay for accommodation, rental properties is a safe place to invest your money.
If you want great ROI,
your money safe in residential property which benefits from market appreciation AND which generates you monthly cash-flow,
and if you have at least 70k GBP verifiable legit funds available to invest,
contact me because I offer good below-market value deals in thriving UK locations.
Everything registered and stacks up, contracts done by solicitor and you are welcome to audit anything.