"I would look at it from a 'push-and-pull' perspective, " says University of Hong Kong School of Business associate professor Patrick Chau.

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Amid that push-and-pull, stocks had moved to record highs in recent weeks.

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So there will be a real push-and-pull.

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And that's why the endeavor required a pair of 600-horsepower push-and-pull trucks, along with dozens of workers leading and following to displace and restore countless traffic lights, utility poles and the occasional pesky palm tree to make way for the shiny red caravan.

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And I think that that sort of push and pull between two really strong leaders - obviously, in the history of music, that's worked out well.

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Fierstein, also represented on Broadway right now with the book for "Newsies, " spins his typical theatrical magic, teasing out from the movie both a love triangle and the pull-push of fathers and sons.

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But for many men, the most difficult part of P90X isn't its heavy emphasis on pull-ups and push-ups, but rather its relentless call for stretching and warming up.

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The group is reportedly considering options such as a gradual pull-out of American troops and a diplomatic push to persuade Iran and Syria to curb the insurgent groups they are thought to encourage.

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On top of that, there are occasional moments where the developers pull a few surprises and push the images out of the screen, introducing a cinema-like effect that is very impressive.

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That push-pull of supply vs. demand will keep prices elevated as we head into the spring selling season and its looking like that shopping season will be weaker this year than last.

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The push is two-fold: Pull in an ageing population that professes to be more worried about what it eats (and is more willing to pay a bit more for "healthful" products), and get out ahead of health advocates and opportunistic lawyers who are eager to blame food companies for every ounce of unwanted fat Americans continue to put on.

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