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The "seesaw" performance of blue-chip stocks and small-cap stocks is vividly interpreted in this round of market. Large-cap blue chips and core assets with stable operation and better fundamentals have obviously underperformed the small-cap sector of emerging technology sectors.According to the statistics of the First Financial Reporter, the 100 stocks with the smallest closing market value on September 23 have almost doubled up to now. In the same period, the average increase of 66 stocks in the market value component was 19.2%, and the average increase of the fund's heavy stocks was 27.5%, which was far worse than that of small-cap stocks.

On December 9th, Wonder Microdisk Index continued to hit a record high, closing at 359,303.64 points, with a cumulative increase of 25.11% during the year. The fund's heavy position index rose by 7.63% during the year, and the underperformed microdisk index was nearly 18 percentage points.SDIC Securities Research Report pointed out that from the perspective of capital, this phenomenon (micro-disk stocks hit a record high) is naturally easy to explain: the core of the incremental fund group is retail hot money, and the pricing power is not in the hands of institutions.Micro-disk stocks continued their strong performance this year. Since September 24th, the index of micro-disk stocks has risen by 61.4%, while only one of the 402 stocks in the sector has fallen, with an average increase of 44.03%, which greatly outperformed the indexes of Shanghai and Shenzhen 300 and Shanghai 50. The cumulative increase of 19 stocks including Renzhi (002629.SZ), Shandong Huapeng (603021.SH), Xingtu Xinke (688081.SH) and Lianxiang (603272.SH) exceeded 80%.

It is difficult for investors who focus on fundamentals to exert their fists and feet in this round of market, and investors who chase small-cap stocks with hot topics make Public Offering of Fund products far behind.Compared with small-cap stocks, Ning combination and Mao index seem to be "abandoned" by the market. Contemporary Amperex Technology Co., Limited (300750.SZ) went out of the independent market, rising by 68.21% during the year, while Enjie (002812.SZ) fell by over 30%. The Mao index rose by 10.85% during the year, the share price of Oriental Fortune (300059.SZ) doubled, and Zhifei Bio (300122.SZ) fell by nearly 50%.