21.   Bond prices tumbled in the past month on rising concern that the central bank will raise interest rates in an attempt to curb or preempt accelerating inflation.

22.   Bond and stock prices tumbled after the report, although stocks later recovered.

23.   A price war that has seen phone prices tumble will also hit revenues.

24.   After all, stock prices have generally held up while bond prices have tumbled.

25.   All this is a complete turnaround from the end of March, when bond prices tumbled after the Federal Reserve raised interest rates.

26.   But even as LCD prices have tumbled, so too have prices for conventional CRT monitors.

27.   But once a U.S.-led coalition began preparations to expel Iraqi occupation forces from Kuwait, oil prices tumbled and the stock exchange regained strength.

28.   But that considerable profit is on paper only, and if he started selling his shares, the price would tumble.

29.   But the same high prices might tumble with the purchase of a big traditional media company that could provide the content.

30.   But with profits slumping, the stock price tumbling and big investors up in arms, Servicemaster is wrestling with how to remake itself.