ome high-profile founders have found it remarkably easy to raise fresh capital in recent weeks. Adam Neumann, the founder of the temporary office company WeWork, has just raised $350m for Flow, a start-up aiming to transform the residential apartment market, with a total valuation for the new business of more than $1bn. Travis Kalanick, the key founder of the taxi empire Uber, received $850m in funding for his new venture CloudKitchens, with
