Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 1COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,60 -0,24 4 362Eolus Vind 41,50 1,22 23 877Holmen 208,10 -0,53 660Stora Enso 68,30 1,19 15 588COPENHAGEN (DKK)Vestas Wind Systems 204,70 -0,63 845 530HELSINKI (EUR)Fortum 19,49 1,56 2 321 807Stora Enso 7,42 1,30 11 139OSLO (NOK)Arendals Fossekompani...