National Bank of Greece (NBG) and Eurobank fell by 30% in morning trade, while Alpha and Piraeus lost up to 20%.

BBC: Greek cash machine

NBG's parent, the National Bank of Greece, owns several big banks in Bulgaria and Macedonia and has branches all over Serbia.

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National Bank of Greece (nyse: NBG - news - people ) is the country's largest banking group and recently made a big acquisition in Turkey.

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The next on line, for instance, is National Bank of Greece (NYSE: NBG), the largest bank of Greece with an extensive presence in the Balkan region, Turkey, and Egypt.

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Results may give investors more faith in new management, including Joly, who joined the company in August, and CFO Sharon McCollam, who joined in December, said NBG Productions analyst Brian Sozzi.

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Among the largest underlying components of IEV, in trading today Ryanair Holdings Plc ( NASD: RYAAY) is trading flat, and National Bank Of Greece S A ( NYSE: NBG) is up by about 4.5%.

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Heinz has the type of brand equity that takes years to create and it has been able to raise prices even in the highly competitive grocery business, said Brian Sozzi, chief equities analyst for NBG Productions.

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Greece's creditors - the EU, IMF and the European Central Bank - had said they were worried a new NBG-Eurobank entity would not only have about 40% of the Greek market, but would be hard to recapitalise.

BBC: Greek cash machine