Briefs: Banks make super gains, RBA to overhaul its core banking system, few businesses seeking fina 07 July 2015 3:51PM Banking Day staff Briefs, Banks are making gains in retail superannuation, the Investment Trends 2015 Member Sentiment & Communications report suggests. The Financial Standard reports that BT Super for Life, ANZ Smart Choice and CBA Essential Super are the major beneficiaries. The Reserve Bank of Australia is looking to overhaul its entire core banking solution. The bank has called for expressions of interest for a new software-based core banking system, IT Wire reports. A quarterly survey by Dun & Bradstreet showed 17 per cent of businesses intend to seek finance or new credit in the quarter ahead to help their business grow, while 73 per cent will not. Ten per cent are undecided. In the first quarter of 2015, 16 per cent of businesses intended to seek finance or new credit in the quarter ahead to help their business grow, while 78 per cent would not. Only 56 per cent of businesses are more optimistic about growth in the next 12 months compared to 2014.