As of July 2014, the market cap for Invesco Trust for Investment Grade New York Municipal (VTN) is $270,483,686.20.
The symbol for Invesco Trust for Investment Grade New York Municipal in the NYSE is: VTN.
As of July 2014, the market cap for Invesco Trust for Investment Grade Municipals (VGM) is $703,844,342.08.
As of July 2014, the market cap for Colonial Investment Grade Municipal Trust (CXH) is $106,831,743.54.
The symbol for Invesco Trust for Investment Grade Municipals in the NYSE is: VGM.
As of July 2014, the market cap for Managed Duration Investment Grade Municipal Fund (MZF) is $92,486,473.60.
Colonial Investment Grade Municipal Trust (CXH)had its IPO in 1989.
The symbol for Managed Duration Investment Grade Municipal Fund in the NYSE is: MZF.
Managed Duration Investment Grade Municipal Fund (MZF)had its IPO in 2003.
The symbol for Colonial High Income Municipal Trust in the NYSE is: CXE.
As of July 2014, the market cap for Western Asset Investment Grade Defined Opportunity Trust Inc. (IGI) is $224,368,096.65.
"Sub-Investment Grade" or "Junk"
Yes, a BBB bond or higher (such as A, AA or AAA) are investment grade. Many investors cannot invest in sub-investment grade (BB or lower).