The FTSE MIB Index decreased 444 points or 0.85 percent on Thursday to close at 51543 points. The decline was led by Fincantieri (-5.47%), Prysmian (-3.83%) and Stellantis N.V. (-3.60%). On the upside, the strongest performers were Eni (1.39%), Poste Italiane (1.04%) and Tenaris (0.87%).