Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 15COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 43,00 0,00 14 433Eolus Vind 43,50 1,16 28 505Holmen 214,10 -0,88 416Stora Enso 69,20 0,58 11 713COPENHAGEN (DKK)Vestas Wind Systems 204,70 -0,34 953 921HELSINKI (EUR)Fortum 20,11 -0,35 2 288 802Stora Enso 7,43 -0,54 4 696OSLO (NOK)Arendals Fossekompani...