(AGI) Milan, Sept 10 - The session at Piazza Affari closedstable on Wednesday, with few transactions following the recentrises. The FTSE MIB closed with a 0.04 percent drop, hitting21,140 points. The All Share lost 0.09 percent. Piazza Affarialigned with the other European markets, which recorded minimumvariations. Caution has been the key word on all stocks,although attention has been given to the referendum forScotland's autonomy. Fiat performed well throughout the day,gaining 1.8 percent, after the official resignation of itspresident, Luca di Montezemolo. . .