State Street SPDR Portfolio MSCI Global Stock Market ETF aims to replicate the MSCI ACWI IMI Index by holding 2,927 stocks from across the globe. Which is the better buyThe State Street SPDR Portfolio MSCI Global Stock Market ETF (SPGM) and the State Street SPDR Portfolio Developed World ex-US ETF (SPDW) are both global exchange-traded funds (ETFs). SPGM is a global fund, but with a majority of its exposure still in the U.S., it doesn't offer purely international exposure. Should you buy stock in SPDR Portfolio MSCI Global Stock Market ETF right now? Which Global ETF is the Right Choice?