Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 19COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,50 0,00 9 088Eolus Vind 43,60 -0,68 9 082Holmen 208,00 -2,80 372Stora Enso 67,55 0,37 7 955COPENHAGEN (DKK)Vestas Wind Systems 207,70 0,15 1 336 621HELSINKI (EUR)Fortum 20,00 -0,40 1 700 776Stora Enso 7,19 -0,55 4 466OSLO (NOK)Arendals...