Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 10COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 44,70 2,52 6 774Eolus Vind 42,90 0,47 145 301Holmen 233,00 0,00 3 498Stora Enso 70,05 -3,51 24 146COPENHAGEN (DKK)Vestas Wind Systems 178,20 0,85 973 956HELSINKI (EUR)Fortum 22,21 -2,80 1 732 744Stora Enso 8,04 -3,13 14 623OSLO (NOK)Arendals...