Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 13COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 44,30 -0,90 5 122Eolus Vind 41,50 -1,66 20 995Holmen 238,70 0,29 2 165Stora Enso 75,70 0,00 25 382COPENHAGEN (DKK)Vestas Wind Systems 180,20 -0,44 791 214HELSINKI (EUR)Fortum 22,51 -0,53 1 422 351Stora Enso 8,48 -1,85 5 016OSLO (NOK)Arendals...