11.   Boom and bust cycles are nothing new on Latin American stock markets, where dramatic long-term growth is forecast for emerging economies.

12.   A cycle is considerably less than the blink of an eye, and too fast for a mechanical system, but it is no challenge for a computer chip.

13.   A further reason to be sanguine is that economic cycles are currently more out of kilter than for several decades.

14.   A boom-bust cycle is another worry.

15.   A more active cycle is to be expected within the next decade or two, says the Colorado report.

16.   A new crop of stores for young women underscores how fast retail cycles are moving.

17.   A new cycle is inevitable, but its timing and strength are largely unpredictable.

18.   A report yesterday showing building approvals unexpectedly fell in July fanned speculation that the rate cutting cycle may not be over.

19.   A post-debate spin cycle is never pretty, but it descends into mayhem when there is not enough room.

20.   Air motions are inherently chaotic, but there are cycles that allow meteorologists to predict some of complex rhythms of the atmosphere.