Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 6COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 40,90 0,49 11 662Eolus Vind 42,00 -0,71 5 150Holmen 207,20 -0,39 200Stora Enso 69,80 1,23 10 580COPENHAGEN (DKK)Vestas Wind Systems 213,10 0,76 1 141 101HELSINKI (EUR)Fortum 19,69 0,20 1 516 185Stora Enso 7,50 1,08 2 453OSLO (NOK)Arendals...