Prices on shares in selected power companies and in companies with largetrading activity in electricity:August 13Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 46,40 1,53 4 045Eolus Vind 41,50 -0,48 243 968Holmen 200,00 2,99 995Stora Enso 63,85 2,90 8 463COPENHAGEN (DKK)Vestas Wind Systems 308,00 2,94 2 709 443HELSINKI (EUR)Fortum 18,54 1,87 1 937 951Stora Enso 6,80 3,03 2 854OSLO...