Prices on shares in selected power companies and in companies with largetrading activity in electricity:February 16STOCKHOLM (SEK)Arise Windpower 44,80 3,46 4 447Eolus Vind 51,25 -2,38 75 967Holmen 232,80 1,88 160Stora Enso 80,00 -0,81 3 409COPENHAGEN (DKK)Vestas Wind Systems 172,30 -0,98 721 125HELSINKI (EUR)Fortum 22,12 0,09 1 222 991Stora Enso 9,20 -0,27 3 990OSLO (NOK)Arendals Fossekompani 1680,00 0,00 50Hafslund 70,50 0,00...