Prices on shares in selected power companies and in companies with largetrading activity in electricity:September 1Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 45,90 0,22 663Eolus Vind 39,00 0,00 26 931Holmen 201,30 -2,28 15Stora Enso 61,35 1,15 8 352COPENHAGEN (DKK)Vestas Wind Systems 225,00 2,65 2 509 028HELSINKI (EUR)Fortum 18,58 2,26 2 012 007Stora Enso 6,60 1,23 8 517OSLO (NOK)Arendals...