Prices on shares in selected power companies and in companies with largetrading activity in electricity:September 28COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,80 -0,24 5 357Eolus Vind 40,50 -2,41 11 770Holmen 213,00 0,95 400Stora Enso 65,35 3,32 12 426COPENHAGEN (DKK)Vestas Wind Systems 205,70 1,78 2 136 122HELSINKI (EUR)Fortum 19,32 0,78 1 829 449Stora Enso 7,11 2,97 4 047OSLO (NOK)Arendals...