CompaniesFinancial ServicesBanking productsOpinionThese two risks loom large in the banking sector as outlook soursThe threats of mortgage pricing wars kicking off and business loan losses spiking come as volatile oil prices, slower growth and higher rates bite.Joyce MoullakisAssociate editorTwo pressing challenges confront the nation’s biggest banks, and both are intrinsically linked to slower credit growth and tempering economic activity that will persist into next year.The first is the risk that slower home loan growth, exacerbated by the federal budget’s negative gearing and capital gains tax changes, triggers an aggressive pricing war in the mortgage market. And anecdotal evidence suggests this may have already begun.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Latest In Financial servicesFetching latest articlesMost Viewed In Companies