iShares has launched three new fixed income ETFs on the NYSE Arca today: the iShares Inflation Hedged High Yield Bond ETF (NYSE Arca: HYGI), the iShares Interest Rate Hedged U.S. Aggregate Bond ETF (NYSE Arca: AGRH), and the iShares Inflation Hedged U.S. Aggregate Bond ETF (NYSE Arca: AGIH). HYGI...