The need to be more transparent in their investments for greater public scrutiny and for a review of the way they manage Singapore's reserves were issues raised by three MPs.

First to rise was Mr Michael Palmer (Pasir Ris-Punggol GRC), who criticised Temasek for keeping mum initially on the details of the sale of its entire stake in Bank of America.

News of the sale broke on May 15. Its statement explaining the sale was issued last Thursday - six days later.

Despite the statement, Mr Palmer felt there were questions still left unanswered, such as those relating to the timing of the sale and the actual sale price.

Mr Zaqy Mohamad (Hong Kah GRC) believes Singaporeans deserve more accountability of how their money is being invested. He also suggested giving people more information on the bonuses and performance of staff at Temasek and GIC.

'We ask the same of our professional investment fund managers and commercial banks. Why not those who manage our reserves?' he said during the House debate on the President's Address.

Mr Inderjit Singh (Ang Mo Kio GRC) felt the two investment companies have departed from their original investment goals and asked for a top-level review of the management of Singapore's reserves.

The MPs' comments came in the wake of reported losses by both.

GIC's portfolio shrank, in US dollar terms, by about 25 per cent from the time global markets peaked in October 2007 to the end of last year.

Read the full report in Tuesday's edition of The Straits Times.