Worrying, if a long-way-short-of-conclusive, evidence reaches us from UBS this week of a growing "apartheid" between workers at the UK's biggest companies and those further down the scale, in terms of how much they and their employers are putting away for their retirement.

UBS' 'Pension Fund Indicators' research pulls together stats from a wide range of sources, in order to shed the most light possible on what's up in pensions in corporate Britain. The latest edition contains a section on how much is being saved into "defined contribution" pension funds, now the most common kind.