News/Reuters/S&P Global Upgrades Saipem To 'BB+' From 'BB', Outlook StableS&P Global Upgrades Saipem To 'BB+' From 'BB', Outlook StableDec 2, 202216:32 UTCSPMSaipem SpA SPM:S&P GLOBAL UPGRADES SAIPEM TO 'BB+' FROM BB, OUTLOOK STABLE