Prices on shares in selected power companies and in companies with largetrading activity in electricity:August 11Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 45,90 -1,50 2 770Eolus Vind 41,00 -1,91 8 677Holmen 196,00 0,00 694Stora Enso 63,55 0,16 3 150COPENHAGEN (DKK)Vestas Wind Systems 287,90 -2,90 691 386HELSINKI (EUR)Fortum 18,15 -0,98 1 614 533Stora Enso 6,70 -0,74 2 671OSLO (NOK)Arendals...