Prices on shares in selected power companies and in companies with largetrading activity in electricity:November 22COMPANY Latest close Change % VolumeSTOCKHOLM (SEK)Arise Windpower 42,30 0,71 16 506Eolus Vind 42,00 0,72 19 696Holmen 212,90 1,24 724Stora Enso 67,30 -2,46 25 538COPENHAGEN (DKK)Vestas Wind Systems 169,20 -5,32 2 194 431HELSINKI (EUR)Fortum 20,77 0,15 965 778Stora Enso 7,15 -2,59 6 692OSLO (NOK)Arendals Fossekompani...