Encouraged by the impressive start to the first ETF offering exposure to Build America Bonds, PowerShares recently filed details on a second, more targeted fund within the same asset class. The latest proposed addition to the PowerShares lineup is the Intermediate Build America Bond Portfolio, a product that would track the BofA Merrill Lynch 1-12 [...] Original Post Related Stories: PowerShares Plans Build America Bond ETF PowerShares To Launch Build America Bond ETF State Street Launches Build America Bond ETF (BABS)