iShares Trust - iShares Dow Jones U.S. Energy Sector Index Fund announced earnings results for the full year ended April 30, 2012. For the period, the company reported net investment income of $13,548,807 against $10,635,583 for the same period a year ago. Net decrease in net assets resulting from operations was $121,026,205 against increase of $253,215,667 for the same period a year ago.