SPDR S&P 500 ETF Trust announced unaudited earnings results for the six months ended March 31, 2016. For the period, total investment income of $2,064,271,967 against $4,013,438,057 for the year ended September 30, 2015. Net investment income was $1,981,328,612. Net realized and unrealized gain on investments was $12,123,136,773. Net increase in net assets resulting from operations was $14,104,465,385.