Prices on shares in selected power companies and in companies with largetrading activity in electricity:August 26Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 43,50 -1,36 4 249Eolus Vind 38,80 -1,02 11 941Holmen 196,90 0,00 0Stora Enso 62,00 3,33 3 452COPENHAGEN (DKK)Vestas Wind Systems 234,20 2,72 1 220 811HELSINKI (EUR)Fortum 17,97 0,06 874 582Stora Enso 6,42 1,42 3 650OSLO (NOK)Arendals...