Key PointsThe Vanguard Emerging Markets Government Bond ETF has been a strong outperformer in the past 10 years.IMF research shows that bond performance and stock performance have become more correlated.If that is the case, then it might be worth it for investors to take more risk with bond ETFs.10 stocks we like better than Vanguard Total Bond Market ETF › An old rule of thumb in investing says that when stocks go down, bond prices go up. This …