Prices on shares in selected power companies and in companies with largetrading activity in electricity:July 13Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 43,80 1,86 2 719Eolus Vind 42,50 -1,62 53 087Holmen 190,00 -0,52 182Stora Enso 58,85 -0,25 2 414COPENHAGEN (DKK)Vestas Wind Systems 264,60 0,80 551 240HELSINKI (EUR)Fortum 18,90 0,43 1 299 391Stora Enso 6,29 0,80 2 565OSLO (NOK)Arendals...