The German share price index DAX graph is pictured at the stock exchange in Frankfurt, Germany, September 25, 2023. REUTERS/Staff Acquire Licensing RightsNN Group shares fall after unfavourable court rulingH&M shares rise as Q3 beat dwarfs weak September salesItalian-German risk premium at highest since May ahead of Italian budgetSTOXX 600 up 0.4%Sept 27 (Reuters) - European shares rose on Wednesday after four straight sessions of losses, while insurance stocks capped the gains as Netherlands' largest insurer NN Group fell after an unfavourable court ruling.The pan-European STOXX 600 index (.STOXX) added...