Since last summer Crane has seen 13 asset-management companies buy securities from their portfolios or take other actions to prevent a share-price decline.

去年夏天以来，Crane看到13个资产管理公司在他们的证券组合里购买证券或者采取其他方式去阻止资产价格下滑。

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And when it comes to discussing details of, say, confidential share portfolios, that is not good enough.

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These massive share portfolios have been the banks' biggest headache recently, because the value counts in calculating their capital.

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But, with the average book price of the 19 big insurers' share portfolios now close to market prices, this game is now up for the weaker firms.

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