Prices on shares in selected power companies and in companies with largetrading activity in electricity:August 4Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 46,50 -1,27 2 100Eolus Vind 41,30 0,73 3 300Holmen 199,00 2,05 115Stora Enso 64,60 1,73 5 975COPENHAGEN (DKK)Vestas Wind Systems 290,00 2,80 1 515 595HELSINKI (EUR)Fortum 18,60 0,65 1 225 315Stora Enso 6,85 0,00 3 521OSLO...