XTF promises to be a powerful way to add all sorts of XML technologies to Mozilla without having to wait for support in the core.

XTF被认为是一种强大的机制，可以为Mozilla增加各种XML技术而不必等到核心对这些技术的支持。

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According to XTF.com, eight ETNs were trading at premiums of 5% or more this week.

WSJ: In New Funds, Old Flaws

Six out of the eight exchange-traded products that charge annual expenses of 2% or more are ETNs, according to XTF.com.

WSJ: In New Funds, Old Flaws

XTF.com: This site is a longtime favorite of many ETF-savvy investors, including Nicholas Colas, chief market strategist at ConvergEx Group in New York.

WSJ: Best Websites for Screening ETFs