Prices on shares in selected power companies and in companies with largetrading activity in electricity:March 9STOCKHOLM (SEK)Arise Windpower 41,80 0,00 4 673Eolus Vind 52,50 0,96 7 846Holmen 239,00 2,71 1 382Stora Enso 73,85 -0,54 8 808COPENHAGEN (DKK)Vestas Wind Systems 183,00 2,93 1 231 962HELSINKI (EUR)Fortum 22,67 1,12 1 618 463Stora Enso 8,38 -0,24 1 603OSLO (NOK)Arendals Fossekompani 1785,00 0,00 0Hafslund...