Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 4COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 43,80 0,00 15 256Eolus Vind 42,50 -1,62 33 605Holmen 227,00 0,80 719Stora Enso 71,00 -1,32 11 668COPENHAGEN (DKK)Vestas Wind Systems 185,20 -0,64 1 233 586HELSINKI (EUR)Fortum 22,18 -0,76 2 253 355Stora Enso 7,96 -1,73 11 007OSLO (NOK)Arendals...