It wasn't "announced". Who "announces" stuff like that anyhow? Is there some over-arching uber agency that decides the solvency or insolvency of banks worldwide? The World Announcing Board? The International Making Pronouncements Bureau?
Whenever you hear or read "it was announced" your first question ought to be "announced by whom, under what authority?"
All I can find is some guy named Platt who's some big deal director or honcho of some big deal jillion dollar hedge fund who says he thinks the euro-banks are insolvent.

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