Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 7COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,80 2,20 9 515Eolus Vind 42,00 0,00 29 200Holmen 209,10 0,92 752Stora Enso 69,40 -0,57 10 055COPENHAGEN (DKK)Vestas Wind Systems 203,70 -4,41 1 667 861HELSINKI (EUR)Fortum 19,80 0,56 1 573 986Stora Enso 7,55 0,67 4 228OSLO (NOK)Arendals...