Recoupling of the markets SPY-EEM-MERVAL

AMEX:EEM   iShares MSCI Emerging Index Fund
The new coupling of emerging markets, S & P 500 and Merval may indicate the entry of the US. UU In a cooling zone of the economy?
Will they continue to run together as from 2016 until the beginning of 2018?
The emerging markets had to recover and the United States had to give way so that this new coupling could happen.