Prices on shares in selected power companies and in companies with largetrading activity in electricity:September 14Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 44,00 -2,00 12 333Eolus Vind 39,00 -1,27 7 348Holmen 210,00 -3,23 107Stora Enso 64,50 -0,77 14 310COPENHAGEN (DKK)Vestas Wind Systems 225,30 3,44 2 622 712HELSINKI (EUR)Fortum 19,23 -0,16 1 691 449Stora Enso 7,18 1,34 3 558OSLO...