Prices on shares in selected power companies and in companies with largetrading activity in electricity:August 3Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 47,10 1,29 7 852Eolus Vind 41,00 -1,68 12 372Holmen 195,00 3,12 72Stora Enso 63,50 0,08 5 124COPENHAGEN (DKK)Vestas Wind Systems 282,10 -0,95 825 151HELSINKI (EUR)Fortum 18,48 0,87 1 345 667Stora Enso 6,85 1,33 8 599OSLO (NOK)Arendals...