11.   As prices tumble, the country will be hit hard.

12.   As share prices tumbled in August, the company repeatedly denied reports that its factors stopped approving shipments and vendors ceased deliveries.

13.   As stock prices tumbled last week, serious discussion erupted as to whether things were really getting better.

14.   As prices tumble, farmers have suffered.

15.   At the same time, gas prices tumbled.

16.   Because rising interest rates are bad for stocks, stock prices tumbled.

17.   Bond prices tumbled immediately after the reports, which came out minutes before the stock market closed for the day.

18.   Bond prices tumbled, sending longer-term interest rates higher.

19.   Bond investors remained optimistic that yields would drop further even after prices tumbled in early trading amid concern about the federal budget process.

20.   Bond prices tumbled on revived fears that the Federal Reserve would not be able to avoid a decision to tighten monetary policy to prevent a flare-up of inflation.