[SilverBirch]

It's been a topic for quite a while that UK regulations mean pension funds don't invest as much in equities and as a result there's not a huge amount of liquidity available to dump into stocks on the London Stock Exchange. They are working on trying to fix this though (slowly).

[physicsguy]

The irony of course is that this has been caused by regulatory induced de-risking of employer pension funds after a lot of them went bankrupt and left the government on the hook via the PPf