A CPF members can invest the savings in the ordinary and special account under the CPF Investment scheme to earn a better yield (hopefully) compared to the interest paid by the CPF. Here are some details of this scheme. www.tankinlian.com/latest.aspx
From 1 January 2011, the approved funds must meet the following 4 criteria:
Lower expense ratios
3 per cent cap on sales charges
Three-year track record
Top-quartile performance ranking among their global peers.