Telegraph.co.uk | S&P upgrades Greek credit rating and sets outlook to stable Telegraph.co.uk S&P ratcheted the credit rating on the troubled eurozone nation's government debt up six notches from 'standard default' to 'B minus' following the successful completion on Monday of its bond buyback programme - one grade higher than expected. S&P Raises Greek Credit Rating S&P lifts Greek rating from selective default Standard & Poor's hikes Greek rating by 6 notches |