Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 17COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 44,50 0,00 5 869Eolus Vind 42,50 0,24 2 951Holmen 239,00 0,97 279Stora Enso 76,90 0,20 18 117COPENHAGEN (DKK)Vestas Wind Systems 184,50 0,60 618 350HELSINKI (EUR)Fortum 22,48 -0,04 812 747Stora Enso 8,64 0,58 4 848OSLO (NOK)Arendals Fossekompani 1700,00...