CPP Investment Board, Toronto, the investment arm of the Canada Pension Plan, said its investments returned -0.3% in the second quarter. losing C$227 million (US$172 million). The plan's equities and real estate gained 0.8%, while fixed income fell 1.3%. The plan's overall assets were C$73.2 billion as of June 30, from C$70.5 billion as of March 31. The growth in assets was due to C$2.9 billion in contributions, net of benefits paid.