Prices on shares in selected power companies and in companies with largetrading activity in electricity:September 6Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 44,30 -0,90 3 746Eolus Vind 39,90 -1,24 10 320Holmen 214,00 -1,84 380Stora Enso 63,50 2,09 5 595COPENHAGEN (DKK)Vestas Wind Systems 221,80 0,05 848 510HELSINKI (EUR)Fortum 18,60 1,03 1 639 990Stora Enso 6,78 1,04 7 935OSLO (NOK)Arendals...