Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 4COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 41,30 -0,72 8 959Eolus Vind 42,30 1,93 11 833Holmen 208,00 -0,05 50Stora Enso 67,35 -1,39 13 456COPENHAGEN (DKK)Vestas Wind Systems 204,90 0,10 550 329HELSINKI (EUR)Fortum 19,37 -0,62 1 387 712Stora Enso 7,38 -0,61 3 640OSLO (NOK)Arendals Fossekompani...