iShares Trust - iShares Core S&P Mid-Cap ETF reported unaudited earnings results for six months ended September 30, 2012. For the period, the company reported total investment income of $82,421,602, net investment income of $71,846,357, net realized gain of $218,832,457 and net realized and unrealized loss of $27,663,384. Net asset value per share was $98.82 as at September 30, 2012.