Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 3COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 43,80 1,16 6 292Eolus Vind 43,20 0,00 15 956Holmen 225,20 3,78 684Stora Enso 71,95 1,77 19 648COPENHAGEN (DKK)Vestas Wind Systems 186,40 5,85 1 442 436HELSINKI (EUR)Fortum 22,35 -0,80 1 345 572Stora Enso 8,10 2,60 7 582OSLO (NOK)Arendals...