Prices on shares in selected power companies and in companies with largetrading activity in electricity:November 18COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 42,30 -1,17 11 647Eolus Vind 40,60 -2,40 74 953Holmen 211,00 0,00 869Stora Enso 69,15 2,60 10 618COPENHAGEN (DKK)Vestas Wind Systems 177,40 1,31 734 088HELSINKI (EUR)Fortum 20,83 0,92 1 129 031Stora Enso 7,47 3,89 3 342OSLO (NOK)Arendals Fossekompani...