Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 25COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,00 0,00 8 248Eolus Vind 45,50 1,11 77 195Holmen 215,10 -1,06 349Stora Enso 69,45 2,06 17 498COPENHAGEN (DKK)Vestas Wind Systems 200,00 -0,74 1 853 321HELSINKI (EUR)Fortum 20,58 0,59 1 600 650Stora Enso 7,52 2,31 9 553OSLO (NOK)Arendals...