BT Financial Group was one of two Westpac businesses, with Westpac Institutional Bank, that chief executive Gail Kelly nominated as standouts in the March half.BT contributed cash earnings of $310 million, up 40 per cent from the previous corresponding period. Funds under administration in the group's investment platforms, BT Wrap and Asgard, increased by six per cent since September, to $81 billion. BT Financial Group claims to be attracting one dollar in every four going into a wrap account.However, the result looked better than it actually was. Of the $86 million increase in cash earnings over the previous corresponding period, $60 million was due to the improvement in investment markets. While fee income from funds under administration rose with improved investment markets and inflows, margins fell two basis points between September and March.Funds under management in BT portfolios fell, with a strong flow out of wholesale portfolios.BT Investment Management's flagship funds were only average performers. The Core Australian Share Fund was a fourth quartile performer in the year to March, its Balanced Fund was a third quartile performer and its property fund was a second quartile performer.Advance Asset Management flagship funds produced similarly lacklustre returns.The insurance business (which includes life, general and lenders' mortgage insurance) had strong growth in cash earnings in the six months to September but fell back 18 per cent in the March half as a result of storm claims in the general insurance business.