The world's financial services giants need to draw up and publish detailed plans for tackling the fintech revolution, delegates at the World Economic Forum in Davos will hear today - or risk being left in the dust by tech giants.

The consultancy Oliver Wyman, which makes its living counselling corporate bosses, thinks it's about time banks, insurers and other financial services firms set out "digital equity plans" showing how their investments in fintech will "generate future shareholder value".