Prices on shares in selected power companies and in companies with largetrading activity in electricity:August 10Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 46,60 -0,43 2 039Eolus Vind 41,80 0,24 38 136Holmen 196,00 -1,51 240Stora Enso 63,45 -1,86 7 695COPENHAGEN (DKK)Vestas Wind Systems 296,50 -2,47 754 033HELSINKI (EUR)Fortum 18,33 -1,61 1 441 326Stora Enso 6,75 -1,17 3 593OSLO (NOK)Arendals...