Jean-Claude Juncker has voiced concern about the "stability and accountability" of David Davis and his political mandate to conduct Brexit talks, saying that Davis's "apparent lack of involvement" in talks "risked jeopardising the success of the negotiations". They're laughing at us, aren't they?

Business not jittery? So how come some bosses of the UK's biggest companies have refused to sign a letter put out by May asking them to give her public support for her approach to brexit?