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That 508-point plunge on Black Monday was worsened by so-called portfolio insurance.
黑色星期一508点的狂跌,被所谓“证券保险”火上加油.
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The Canadian dollar, having dipped sharply , is back up to rough parity with the greenback.
加拿大元在狂跌之后,已经反弹到基本和美元相同的程度.
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