Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 26COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 44,40 0,23 7 311Eolus Vind 45,30 0,22 17 611Holmen 245,90 -0,04 273Stora Enso 83,50 -0,60 25 139COPENHAGEN (DKK)Vestas Wind Systems 187,30 -1,42 1 258 064HELSINKI (EUR)Fortum 22,23 -1,81 2 222 986Stora Enso 9,44 0,43 15 291OSLO (NOK)Arendals...