“Yields on 10-year Portuguese bonds jumped to 7.85pc in a day of turmoil, kicked off by a government request to delay the next review of the country’s EU-IMF Troika bail-out until August. President Anibal Cavaco Silva set off a constitutional crisis when he vetoed a reshuffle by the two conservative coalition parties, insisting on a red-blue national unity government with greater legitimacy to see through austerity cuts until mid-2014. Socialist leader Antonio José Seguro has so far refused to take part, demanding fresh elections to clear the air. Some Socialist leaders have threatened debt repudiation as a way of fighting back at Germany and the creditor powers.”