Prices on shares in selected power companies and in companies with largetrading activity in electricity:March 2STOCKHOLM (SEK)Arise Windpower 44,00 0,00 7 245Eolus Vind 51,50 -2,37 6 182Holmen 231,00 -0,43 25Stora Enso 73,45 -0,74 6 213COPENHAGEN (DKK)Vestas Wind Systems 181,10 -0,82 1 323 168HELSINKI (EUR)Fortum 22,09 -0,76 1 228 877Stora Enso 8,43 -0,59 4 854OSLO (NOK)Arendals Fossekompani 1650,00 -2,94 172Hafslund 69,00...