Stocks rallied and bonds plunged last week as investors digested some positive reports about the economy.

At the same time, high-yield bonds issued by corporations have plunged in price and rocketed in yield.

Marriott's bonds plunged last week, in a spasm of concern that the real estate company would not be able to honor its debts.

Refco's bonds have plunged in value, trading yesterday at $75.76, an indication that investors think the risk of a default has increased.

Soon after announcing those plans, Marriott's 20-year bonds plunged almost 30 percent, although they have since recouped most of their value.

Ecuadorean bonds plunged more than 11 percent on speculation about a default.

Its bonds plunged amid concern that debtholders would suffer because of the way the bid was structured.

Since the company disclosed accounting problems on Monday, the company's stock and bonds have plunged in value.

Its bonds have plunged since they were issued in 1998 and are rated at the lower end of junk.

Some bonds of Burlington Holdings plunged 8 points, or $80 for every $1,000 face amount, to about 90.