Prices on shares in selected power companies and in companies with largetrading activity in electricity:February 14STOCKHOLM (SEK)Arise Windpower 45,30 -1,52 32 587Eolus Vind 53,75 -0,46 27 915Holmen 231,00 -0,04 944Stora Enso 82,30 0,49 4 313COPENHAGEN (DKK)Vestas Wind Systems 174,10 1,05 744 160HELSINKI (EUR)Fortum 22,33 -0,40 1 421 714Stora Enso 9,37 0,54 4 174OSLO (NOK)Arendals Fossekompani 1660,00 0,00 0Hafslund 70,25 0,00...