Commonwealth Bank has sold the last of its shares in Visa Inc. The bank received A$439 million for its shares, realising an after-tax profit of $278 million. At the same time the bank has booked a one-off amortisation of certain capitalised software assets, related to digital and direct banking channels. The $275 million amortisation charge follows a review of capitalised software assets. Lenders mortgage insurer Genworth Mortgage Insurance Australia announced that its chief commercial officer, Bridget Sakr, has resigned. Sakr worked at Genworth for 22 years. It's been a year of change in Genworth's senior ranks; Georgette Nicholas was appointed chief executive in March and Luke Oxenham was appointed chief financial officer. An overhaul of Westpac's internal technology systems, started in 2014, was tackling processes related to home loans first as the bank seeks to demonstrate its improved customer service capabilities, the AFR reports. Oracle will provide the platform to underpin Westpac's so-called Customer Service Hub, which will sit on top of the myriad older IT systems from across all of its divisions and brands including St.George, BankSA, Bank of Melbourne and RAMS and provide bankers with a single view of all customer interactions.