Prices on shares in selected power companies and in companies with largetrading activity in electricity:January 28COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 44,50 -1,11 1 511Eolus Vind 50,25 2,97 246 912Holmen 247,00 -1,20 970Stora Enso 84,55 2,18 29 844COPENHAGEN (DKK)Vestas Wind Systems 184,50 -2,02 788 544HELSINKI (EUR)Fortum 22,25 -0,89 1 280 291Stora Enso 9,55 2,14 6 773OSLO (NOK)Arendals Fossekompani...