Prices on shares in selected power companies and in companies with largetrading activity in electricity:July 29Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 46,00 3,37 33 431Eolus Vind 41,00 -0,73 3 890Holmen 193,00 0,26 239Stora Enso 64,00 0,00 5 825COPENHAGEN (DKK)Vestas Wind Systems 286,80 1,41 468 653HELSINKI (EUR)Fortum 18,13 1,17 1 557 742Stora Enso 6,79 0,52 3 053OSLO (NOK)Arendals...