Tides rise and fall, weather patterns change, even planets and galaxies move in accordance with heavenly cycles.

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The relationship between large-company stocks and smaller ones has tended to move in long-term cycles, analysts say.

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The traditional planning model also assumes that products and markets move through their life cycles in a sequential, orderly manner.

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Studies show our waking cycles to be the same as our sleeping cycles, which move in 90 minute rhythms.

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Tillman's focus is on the cycles in which stocks and other assets move.

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