Prices on shares in selected power companies and in companies with largetrading activity in electricity:December 1COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,50 1,22 41 660Eolus Vind 42,00 3,45 55 094Holmen 209,20 0,53 1 518Stora Enso 67,25 1,66 6 234COPENHAGEN (DKK)Vestas Wind Systems 159,80 -2,20 2 024 892HELSINKI (EUR)Fortum 20,50 0,84 1 899 445Stora Enso 7,35 1,94 3 408OSLO...