Such frothiness may return if anxieties about Europe's Banks are resolved by official stress tests.

如果对欧洲银行的焦虑被官方的压力测试解决，这样的泡沫可能反弹。

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The oil market's recent frothiness is eerily reminiscent of the irrational exuberance in the late-1990s stock market.

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But many blame the current frothiness of the housing market, particularly in dense coastal areas, on this policy.

ECONOMIST: Betting on Bernanke | The

He fears frothiness and bubbles, but believes tapering right now would have nefarious effects, possibly tipping the economy back into recession.

FORBES: Bernanke's QE Dance: Fed Could Taper In Next Two Meetings, Tightening Would Collapse The Market