1.   Corporate trust is the business of administering payments of stock dividends and bond coupons for companies and municipalities.

2.   Earnings usually command a fatter premium, because they expand over time while bond coupons are fixed over the life of the bond.

3.   Investors have been concerned because Bulgaria has a Brady bond coupon due in July.

4.   The bonds offer lower coupons than other government bonds because they are less at risk to short-term fluctuations in indicators of inflation.

5.   Utility shares plunged because their dividends, among the highest offered by stocks, looked less attractive next to bond coupons.

6.   Utility shares, whose relatively higher dividends compete most directly with bond coupons, plunged.

7.   Utility shares plunged because their relatively higher dividends looked less attractive compared to bond coupons.