So, the informed trading may cause certain degree of the market manipulation behavior.

因此，知情交易可能会引起某种程度的市场操纵行为。

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The asymmetrical information of the security market is the main reason that causes the market manipulation behavior, and the market manipulation certainly contains the informed trading.

证券市场的非对称信息是产生市场操纵行为的最主要原因，市场操纵的产生肯定含有知情交易行为。

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Short selling mechanism not only can move price to levels justified by fundamentals, and help to improve market efficiency, but to some extent can decrease the manipulation behavior of the insider.

卖空机制不仅可以促使资产的价格向基本价值回归，提高市场的有效性，而且在一定程度上减少了内幕交易者对市场的操纵行为。

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