The symbol for Invesco Trust for Investment Grade New York Municipal in the NYSE is: VTN.
The symbol for Invesco Trust for Investment Grade Municipals in the NYSE is: VGM.
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 Managed Duration Investment Grade Municipal Fund in the NYSE is: MZF.
As of July 2014, the market cap for Invesco Trust for Investment Grade Municipals (VGM) is $703,844,342.08.
The symbol for Colonial High Income Municipal Trust in the NYSE is: CXE.
Colonial Investment Grade Municipal Trust (CXH)had its IPO in 1989.
Managed Duration Investment Grade Municipal Fund (MZF)had its IPO in 2003.
As of July 2014, the market cap for Colonial Investment Grade Municipal Trust (CXH) is $106,831,743.54.
As of July 2014, the market cap for Managed Duration Investment Grade Municipal Fund (MZF) is $92,486,473.60.
The symbol for Western Asset Investment Grade Defined Opportunity Trust Inc. in the NYSE is: IGI.
"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).