Prices on shares in selected power companies and in companies with largetrading activity in electricity:November 30COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,00 -1,21 6 129Eolus Vind 40,60 -3,33 20 260Holmen 208,10 -0,43 173Stora Enso 66,15 -0,45 9 497COPENHAGEN (DKK)Vestas Wind Systems 163,40 4,41 2 140 613HELSINKI (EUR)Fortum 20,33 -1,26 2 224 615Stora Enso 7,21 -0,55 3 377OSLO (NOK)Arendals...