(AGI) Milan, Oct 1 - Buoyed by banking shares, the Milan stockexchange turned positive one hour into trading on Wednesday,with the FTSE MIB up 0.19 percent, at 20,928 share indexpoints. Star performers included Banco Popolare bank, up 1.89percent, insurer Unipol, up 1.98 percent, and World Duty Free,up 2.27 percent. Fiat shares slid 2.16 percent. On thegovernment securities market, the Germany-benchmarked spread onItaly's 10-year bonds narrowed to 136 basis points from anopening quote of 140. (AGI) . .