Frank Quattrone, the veteran tech banker, demurs on the question of a broader bubble but says he frets about the premiums some private companies are commanding.

弗兰克•夸特隆是一名经验老道的科技银行家，他并不认为科技界将面临大范围的泡沫。不过有些私人公司挣到了太多的钱，这让他隐隐感到不安。

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According to Women 2.0, private tech companies with female executives achieve a 35% higher return on investment.

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As valuations for private tech companies soar, banks and investors have been looking for ways to tap the growth before they go public.

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Among his savvy moves: establishing venture capital vehicles to invest in hot private tech companies like Facebook well ahead of their initial public offering.

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