Aug 22 (Reuters) - Wells Fargo (NYSE:WFC) Investment Institute:
* Wells Fargo Investment Institute - now sees S&P 500 2017 year-end close at 2300-2400 versus prior target of 2230-2330
* Wells Fargo Investment Institute - now sees 2017 operating earnings for S&P 500 index at $129/share versus prior target of $127/share
* Wells Fargo Investment Institute - now sees Russell Midcap Index year-end close at 1820-1920, up 3.9 percent from prior target
* Wells Fargo Investment Institute - now sees MSCI EAFE Index year-end close at 1890-1990, up 5.4 percent from prior target
* Wells Fargo Investment Institute - now sees MSCI Emerging Markets Index year-end close at 1010-1090, up 7.7 percent from prior target