Kwasi Kwarteng ranked as worst since 1997 after week of budget chaos
Savers close to retirement likely to experience large falls in fund values
Yields on benchmark UK government bonds have risen more than four-fold
Chancellor says replacing EU law with rules ‘tailor made for the UK’ will free up billions
Falls in actual returns were offset by rises in expected future returns
Draft rules comes as part of ‘Legislation Day’ ahead of Finance Bill 2022-23
Opperman says stewardship will be key focus post-TCFD