The iShares MSCI Mexico Capped Investable Market Index Fund (NYSE: EWW ) is the largest Mexico-specific ETF in the world with nearly $2.9 billion in assets under management. As Japan sought to weaken the yen and engineer higher inflation, benefiting Japanese equities along the way, investors poured $8 billion into ETFs tracking the world's third-largest economy, according to the iShares data. U.S. sector funds attracted $3.4 billion in new assets last month with financials, real estate, health care and consumer cyclicals leading the way, according to the iShares data.