By Lars Mucklejohn High street banks are keen to lend more to small businesses but are being held back by poor data sharing, the head of a government-backed fintech hub has said. Charlotte Crosswell, a City veteran who chairs the government-backed Centre for Finance, Innovation and Technology (CFIT), told City A.M. that big banks were “still turning down a huge amount of loans and putting them into the alternative finance sector”. “Data unlocking and sharing is probably going to drive the next phase of financial innovation, and that’s what the rest of the world is looking at as well,” she said…