In spite of years of defensive lobbying, they are having to reveal all under new Securities and Exchange Commission (SEC) rules that have just begun to take effect.
2
规定银行及机构投资者可持有以及持有多少固定收益证券的法规条例依赖于相应证券的信用评级。
Rules governing the fixed income securities that banks and institutional investors can hold, and in what amounts, rely on credit ratings.