The health firm backed by actor Idris Elba and broadcaster Jonathan Ross is being bought by Danone for €1bn (£860m). The British meal supplement maker Huel is being bought by Danone for €1bn (£864m). Founded in Buckinghamshire in 2014, Huel is best known for its shake powder, which it says is a nutritionally complete replacement for a regular meal. Its investors in... [2073 chars]