Keeping an eye on her bank account is what drove Saniewska to study accounting, leaving photography to become an amateur pursuit for a while.

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The central bank keeps its eye on an overnight rate called Eonia, which is calculated by taking a weighted average of all overnight unsecured lending transactions between a pool of 43 of the most active banks in the Eurozone, along with four other international banks.

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But keep an eye out for the subtle signs - complaints about sluggish bank lending and helpful suggestions about promoting investment, that are really veiled criticisms of the Treasury and its boss.

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Citigroup, for example, is in the final stages of a gruelling two-year battle to buy perhaps 20-25% of Guangdong Development Bank, a troubled institution (though some rivals also have an eye on it).

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Michael Corbat has been on the job as chief executive at Citigroup for a few months now, but his first big public move came Wednesday as the bank announced it will cut more than 11, 000 jobs with an eye toward stripping more than a billion dollars out of its annual expenses.

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The Russian government recently hired investment bank Dresdner Kleinwort Wasserstein to value the natural gas operations of Yukos with an eye toward putting them up for auction.

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Investors will be keeping an eye on the Ecofin meeting of the Euro-finance ministers who are expected to discuss proposals for the single bank supervisor for their member states.

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