Prices on shares in selected power companies and in companies with largetrading activity in electricity:July 12Company Closing price Change in % VolumeSTOCKHOLM (SEK)Arise Windpower 43,00 -1,15 3 456Eolus Vind 43,20 2,37 170 763Holmen 191,00 0,00 349Stora Enso 59,00 -0,25 640COPENHAGEN (DKK)Vestas Wind Systems 262,50 -1,76 521 147HELSINKI (EUR)Fortum 18,82 0,91 1 212 064Stora Enso 6,24 0,16 5 918OSLO (NOK)Arendals Fossekompani...