Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 12COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 42,00 -1,18 12 512Eolus Vind 43,00 -1,15 45 396Holmen 210,00 -1,59 14Stora Enso 69,00 -1,43 6 716COPENHAGEN (DKK)Vestas Wind Systems 201,00 -1,52 1 085 278HELSINKI (EUR)Fortum 20,28 0,00 1 661 218Stora Enso 7,55 -0,26 3 340OSLO (NOK)Arendals...