Prices on shares in selected power companies and in companies with largetrading activity in electricity:October 13COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 43,40 3,33 11 735Eolus Vind 42,80 -0,47 8 523Holmen 213,90 1,86 660Stora Enso 70,60 2,32 19 432COPENHAGEN (DKK)Vestas Wind Systems 204,40 1,69 1 221 730HELSINKI (EUR)Fortum 20,37 0,44 1 538 827Stora Enso 7,62 0,93 4 160OSLO (NOK)Arendals...