Mon Jun 20, 2011 3:27am EDT
* Court dismisses Vale claim against Aquila's valuation
* Vale disputes price Aquila wants for 24.5% stake
* Vale, Aquila valuations on stake more than 10% apart (Adds detail, background)
http://www.reuters.com/article/2011/06/20/aquila-vale-idUKL3E7HK04L20110620?type=companyNews