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What does index enhancement fund mean?
Index enhancement fund refers to the investment income beyond the index on the basis of effectively tracking the target index, and is not entirely aimed at copying the trend of the target index. The index enhancement strategy will not completely copy the constituent stocks that track the target, but will increase the weight of some optimistic stocks, reduce the weight of those that are not optimistic, or even eliminate them completely. Compared with simple replication index, it has greater flexibility and lower tracking error requirements. For example, more than 90% of the stocks invested by ordinary index funds under standardized contracts must come from constituent stocks with a tracking error of no more than 4% within one year, while more than 80% of the stocks invested by index enhancement funds based on this index must come from constituent stocks of this index with an annualized tracking error of 7.75%. The operation of index-enhanced funds is mainly passive investment, supplemented by active management of fund managers. Its income is divided into two parts, one part is the income of copying the index part, and the other part is the excess income obtained by stock selection.

Fund, in English, refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations.

From the accounting point of view, capital is a narrow concept, which refers to funds with specific purposes and uses. The fund we are talking about mainly refers to the securities investment fund.

According to different standards, securities investment funds can be divided into different types:

(1) According to whether the fund unit can be increased or redeemed, it can be divided into open-end funds and closed-end funds. Open-end funds are not traded on the market (as the case may be), but are purchased and redeemed by banks, brokers and fund companies, and the fund scale is not fixed; Closed-end funds have a fixed duration and are generally listed and traded on the stock exchange. Investors buy and sell fund shares through the secondary market.

(2) According to different organizational forms, it can be divided into corporate funds and contractual funds. A fund is established by issuing fund shares to establish an investment fund company, which is usually called a corporate fund; The establishment of fund managers, fund custodians and investors through fund contracts is usually called contractual funds. China's securities investment funds are all contractual funds.

(3) According to the different investment risks and returns, it can be divided into growth funds, income funds and balanced funds.

(4) According to different investors, it can be divided into bond funds, stock funds, money funds and hybrid funds.

It is still uncertain which is the earliest hedge fund. During the great bull market in the United States in the 1920s, there were countless such investment tools specifically for the rich. The most famous is the Graham-NewmanPartnership Fund founded by BenjaminGraham and JerryNewman.

In 2006, WarrenBuffett declared in a letter to MuseumofAmericanFinance magazine that the Graham-Newmanpartnership Fund in the 1920s was the earliest known hedge fund, but other funds may appear earlier.

In the economic recession of 1969- 1970 and the stock market crash of 1973- 1974, many early funds suffered heavy losses and closed down one after another. In 1970s, hedge funds usually focused on one strategy, and most fund managers adopted the long-short stock model. During the economic recession in 1970s, hedge funds were once ignored. It was not until the late 1980s that several successful funds were reported in the media before they returned to people's sight.

The big bull market in the 1990s created a batch of new wealth, and hedge funds blossomed everywhere. Because hedge funds emphasize the income distribution mode with consistent interests and the investment mode of "outperforming the market", traders and investors pay more attention to hedge funds In the next decade, the investment strategies of hedge funds will emerge one after another, including credit arbitrage, junk bonds, fixed-income securities, quantitative investment, multi-strategy investment and so on.

In the first decade of 2 1 century, hedge funds swept the world again. In 2008, the total assets held by global hedge funds reached 1.93 trillion US dollars. However, the credit crisis in 2008 hit hedge funds hard, and their value shrank. In addition, the liquidity of some markets has been blocked, and many hedge funds have begun to restrict investors' redemption.