公债
The Domestic Master Index (Ticker D0A0) is part of the larger Merrill Lynch US Broad Market (US00). The Domestic Master follows the US dollar denominated investment grade Public Corporate and Government debt. Treasuries, mortgage-backed securities, global bonds (debt issued simultaneously in the eurobond and US domestic bond markets) and some Yankee Bonds (debt of foreign issuers issued in the US domestic market) are included in the Domestic Master Index.