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What: ATP Oil & Gas (Nasdaq: ATPG) shares jumped 10% in intraday trading, on news that the Obama administration is lifting the deepwater drilling ban.

So What: This is big news for drillers waiting for clarification on the Gulf of Mexico drilling ban. The news has given a boost to the drilling sector, especially companies like ATP focused in the Gulf of Mexico.

Now What: ATP investors have been concerned about worst-case scenarios, given the uncertain environment around the ban. Now that the ban has been lifted, drillers can get to back to work adapting to the new regulations. ATP shares have rallied over the last four months, but this news could provide a spark for further upside in the stock.

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