Prices on shares in selected power companies and in companies with largetrading activity in electricity:December 30/31COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 43,30 -0,46 15 981Eolus Vind 43,20 0,70 7 567Holmen 217,00 -2,47 1 299Stora Enso 70,70 -0,42 27 080COPENHAGEN (DKK)Vestas Wind Systems 176,10 -0,62 1 011 481HELSINKI (EUR)Fortum 22,53 0,04 922 859Stora Enso 7,90 0,19 8 428OSLO (NOK)Arendals...