Yanis Varoufakis divulged the details on how Greece could sneak out of the euro “without telling anyone”.

Stocks in the US have fallen broadly following drops in overseas markets as Greeks voted to reject creditor conditions for more loans, but the losses were not as steep as many had feared.

Greek prime minister Alexis Tsipras has reshuffled his team handling talks with European and IMF lenders, a move widely seen as an effort to relegate embattled finance minister Yanis Varoufakis to a less active role in negotiations.