In order to determine the location of the leak, the crew had been sealing off small peripheral modules of the space station while Mission Control looked for accelerated pressure drops inside the sealed-off sections.

MSN: Crew finds ��culprit�� in space station leak

When water velocity is high, the pressure within the liquid drops to below the vapour pressure of water, allowing tiny air bubbles to expand.

BBC: Shrimp, bubble and pop

Yet both will fall back to earth in 2013 as unit growth decelerates, margins come under pressure in response to intensifying competition, and earnings growth drops into the low single digits.

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Carrefour did so after French billionaire Bernard Arnault teamed up with Colony Capital, an American real estate fund, to buy 10% of the hypermarket concern earlier in the year. (See: "Carrefour Drops As Arnault Takes Stake") After the purchase, the new shareholders reportedly put pressure on management to carve off the property assets.

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