GLOBAL - Have you missed the biggest stories in pensions this week? Find out below, as we list the top 10 most popular stories on www.globalpensions.com over the past seven days.

US - Staff at the California Public Employees' Retirement System have proposed new portfolio benchmarks to reflect the risk-based asset allocation approved in December.

CANADA - Canadian private pension funds have hit a "tipping point" with more than half converting defined benefit plans to defined contributions for current or future employees, a Towers Watson survey found.

Towers Watson has completed more than $1bn (£0.6bn) in transactions involving multinationals using their in-house insurance companies to fund pensions, the consultancy said.

GLOBAL - Towers Watson has completed over $1bn in transactions involving multinationals using their in-house insurance companies to fund pensions, the consultancy said.

CANADA - The Ontario Teachers' Pension Plan added C$13.3bn ($13.9bn) in investment income in 2010, the highest in its history, but continues to face severe funding woes.

MEXICO - Mexican pension funds hit 1.4trn pesos ($118bn) at the end of March, figures from the Comisión Nacional del Sistema de Ahorro (Consar), the pensions regulator, show.

Mercer has appointed Julie Humphries as its global defined contribution consulting leader.

US - Mercer has appointed Julie Humphries as its global defined contribution consulting leader.

IRELAND - Irish pension funds were down 2.2% in March as the strengthening euro took its toll on equity investments, said Aon Hewitt.