Why a Muni Bond ETF Tumbled This Week
February 24, 2012 at 13:09 PM EST
The largest exchange traded fund tracking municipal bonds is down nearly 3% the past two days after analysts pointed out the ETF was trading at a significant premium to its net asset value. The $2.8 billion iShares S&P National AMT-Free Municipal Bond Fund (NYSEArca: MUB) has been under...