To provide a reference, selecting Hang Seng China Enterprises Index futures in Hong Kong market, the paper studies the impact of the introduction of the stock index futures on the stock market.

为了提供一个借鉴，本文选取中国香港市场的恒生中国企业指数现货与期货为对象，研究股指期货的推出对现货市场的影响。

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The Hong Kong Hang Seng Index had a rough week, down 7.9%, and as the chart shows, the long term 50% Fibonacci support was broken.

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In Asia, Japan's Nikkei 225 fell 159.15 points, or 1.4%, to 11, 309.13, while in Hong Kong the Hang Seng index closed down 400.74 points, or 1.7%, at 22, 906.67.

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In Japan, the Nikkei 225 share index closed down 515.8, or 2.9%, lower at 17, 604.1, while in Hong Kong the Hang Seng index fell 496.36, or 2.5%, to 19, 716.5.

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