Prices on shares in selected power companies and in companies with largetrading activity in electricity:September 27COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,90 -1,18 24 024Eolus Vind 41,50 3,75 63 228Holmen 211,00 1,20 1 012Stora Enso 63,25 -0,86 5 098COPENHAGEN (DKK)Vestas Wind Systems 202,10 -3,76 2 064 311HELSINKI (EUR)Fortum 19,17 -0,88 907 253Stora Enso 6,90 -1,43 1 580OSLO (NOK)Arendals...