Prices on shares in selected power companies and in companies with largetrading activity in electricity:December 3COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,50 0,00 20 443Eolus Vind 42,50 3,41 28 280Holmen 216,90 2,36 2 190Stora Enso 67,75 0,45 7 902COPENHAGEN (DKK)Vestas Wind Systems 161,80 -2,18 892 525HELSINKI (EUR)Fortum 20,89 0,10 2 119 906Stora Enso 7,43 0,41 3 856OSLO (NOK)Arendals...