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A trading service consisting of real-time bid/ask quotes for securities trading on the Nasdaq stock market and comparable information for securities quoted in···

A trading service consisting of everything in Level 2, plus the ability to enter quotes, execute orders and send information. This service is restricted to NAS···

A trading service consisting of real-time access to the quotations of individual market makers registered in every Nasdaq listed security, as well as market ma···

美国Level 3通信公司简介 　　Level 3通信公司（NASDAQ: LVLT）于1998年成立。当时在电信界名噪一时。许多人可能都记得它提出的口号——做运营商的运营商。这个理念也被中国的···

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An annual charge deducted from an investor's mutual fund assets to pay for distribution and marketing costs for as long as the investor holds the fund. For the···

Assets whose fair value cannot be determined by using observable measures, such as market prices or models. Level 3 assets are typically very illiquid, and fai···

In forex trading, the specific value of a trader's account below which the liquidation of the trader's positions is automatically triggered and executed at the···

3A等级参见AAA/Aaa（3A等级）。···