21.   But on Thursday and Friday stocks tumbled and rates soared, providing a painful reminder of how volatile the financial markets have been this summer.

22.   But on Thursday and Friday stocks tumbled and interest rates soared, providing a painful reminder of just how volatile financial markets were this summer.

23.   But that love affair soon faded, and by the time the deal fell apart both stocks had tumbled.

24.   But the company lowered its forecasts for the fourth quarter, and its stock tumbled.

25.   But the sudden market downturn just days before the election enabled Democrats to point out that Whitman had put the state at risk should stocks tumble steadily downward.

26.   Canadian stocks tumbled as concern mounted that waning demand from Asian economies will hobble corporate earnings this year.

27.   Canadian stocks tumbled for a fourth day as weakening Asian currencies and slumping markets threatened to damp global economic growth.

28.   Canadian stocks tumbled yesterday as concern mounted that waning demand from Asian economies will hobble corporate earnings this year.

29.   Canadian stocks tumbled as crude oil prices at two-year lows toppled petroleum companies.

30.   Canadian stocks tumbled as falling crude oil prices toppled petroleum production and service companies.