But the blanket idea that as an asset class you can just put money in the AGG and it will do a certain thing for you, I just don’t believe it’s true right now.” AGG is the iShares Core U.S. Aggregate Bond ETF (AGG), and has fallen about 4% from its all-time high made last August. When households and businesses can reasonably expect inflation to remain low and stable, they are able to make sound decisions regarding saving, borrowing, and investment, which contributes to a well-functioning economy."