Hence the renewed concern that the current spike could knock recovery off key.

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Still, while rising demand for oil should be a cause of concern long-term, economists say the current spike in U.S. gas prices is just that--a spike caused by unusually tight supply.

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The current spike in share value is a sign that investors are eager to see Sony make bold reform moves, but the company may be able to take less drastic steps and still come out on top.

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On the other hand, that consumption has already been significant for the past couple of years, which suggests that the current spike is either anomalous or perhaps indicative of some new problem that needs to be identified and addressed.

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Thus, the events in the MENA (Middle East, North Africa) regions and the resulting spike in oil became the trigger for the current pullback.

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But the ouster of President Jean Bertrand Aristide, coupled with the current campaign for a new leader, has resulted in a spike in criminal gang violence.

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Like the Golden Spike company, which aims to take people back to the moon, Inspiration Mars will be relying on current technology to build their mission rather than working to develop anything new.

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