Vanguard, the second-largest ETF provider by assets, plans big changes to four international funds. Here’s what you need to know: Which funds are affected?Changes will be made to four exchange traded funds: the $48.73 billion FTSE Emerging Markets (VWO), the $28.34 billion FTSE Developed Markets (VEA), the $14.62 billion FTSE Europe (VGK) and the $3.32 billion FTSE Pacific (VPL).