Group 1 - The core point of the news is that Chihong Zn & Ge Co., Ltd. experienced a stock price increase of 5.3%, reaching 10.53 CNY per share, with a trading volume of 1.445 billion CNY and a turnover rate of 2.79%, resulting in a total market capitalization of 53.075 billion CNY [1] - Chihong Zn & Ge Co., Ltd. is located in Qujing City, Yunnan Province, and was established on July 18, 2000, with its stock listed on April 20, 2004. The company's main business involves the mining, smelting, deep processing, and sales of lead, zinc, and germanium products [1] - The revenue composition of Chihong Zn & Ge Co., Ltd. is as follows: 73.82% from lead and zinc mining and smelting, 15.00% from other sources, and 11.18% from non-ferrous metal trading [1] Group 2 - From the perspective of major fund holdings, one fund under Haifutong has a significant position in Chihong Zn & Ge. The Haifutong CSI 500 Enhanced A Fund (519034) held 52,600 shares in the fourth quarter, accounting for 0.96% of the fund's net value, ranking as the ninth largest holding [2] - The Haifutong CSI 500 Enhanced A Fund was established on May 25, 2012, with a latest scale of 30.0688 million CNY. Year-to-date, it has achieved a return of 12.65%, ranking 877 out of 5,572 in its category; over the past year, it has returned 42.62%, ranking 1,216 out of 4,311 [2] - The fund managers, Lin Lihe and Li Ziwu, have had varying tenures and performance records, with Lin having a tenure of 2 years and 97 days and a best return of 52.75%, while Li has a tenure of 3 years and 13 days with a best return of 100.61% [2]

Group 1 - The core viewpoint of the news is that XW Communication (300136.SZ) has reported a decrease in institutional holdings in its A-shares, with the top ten institutional investors holding a total of 1.10 billion shares, representing 11.38% of the total share capital, down by 3.97 percentage points from the previous quarter [1] Group 2 - In the public fund sector, there were two public funds that increased their holdings, accounting for an increase of 0.40%, while two public funds decreased their holdings by 0.33% [2] - Three new public funds were disclosed this period, while 283 public funds were not disclosed again, including major funds like Huashan Growth 50 ETF and Huaxia 5G Communication Theme ETF [2] Group 3 - For social security funds, there was an increase in holdings from one fund, the National Social Security Fund 103 Portfolio, with an increase of 0.10% [2] - In terms of foreign investment, one foreign fund, Hong Kong Central Clearing Limited, reduced its holdings by 2.63% [2]

Quantitative Factors and Construction Methods Factor Name: Liquidity - **Construction Idea**: Measures the market's preference for high-liquidity assets, reflecting the demand for stocks with higher turnover rates [9][14] - **Construction Process**: - **TO**: Average logarithmic turnover rate over the past 243 trading days - **Liquidity Beta**: Regression of individual stock turnover rates against market turnover rates over the past 243 trading days [14] - **Evaluation**: Demonstrated the highest positive return among style factors in the recent week, indicating a significant increase in demand for high-liquidity assets [9] - **Performance**: Weekly return of 5.44%, monthly return of 13.08%, and annualized return of 33.79% over the past year [11] Factor Name: Volatility - **Construction Idea**: Captures the market's preference for high-volatility stocks, reflecting risk appetite [9][14] - **Construction Process**: - **Stdvol**: Standard deviation of daily returns over the past 243 trading days - **Ivff**: Fama-French 3-factor idiosyncratic volatility over the past 243 trading days - **Range**: Difference between the highest and lowest prices over the past 243 trading days - **MaxRet_6**: Average return of the six highest daily returns over the past 243 trading days - **MinRet_6**: Average return of the six lowest daily returns over the past 243 trading days [14] - **Evaluation**: Showed a significant improvement in weekly performance, reflecting increased market risk appetite [9] - **Performance**: Weekly return of 5.03%, monthly return of 12.37%, and annualized return of 25.55% over the past year [11] Factor Name: Beta - **Construction Idea**: Represents the market's preference for high-beta stocks, indicating sensitivity to market movements [9][14] - **Construction Process**: Bayesian shrinkage of market beta [14] - **Evaluation**: Significant weekly performance improvement, indicating a strong preference for high-beta stocks [9] - **Performance**: Weekly return of 4.28%, monthly return of 12.51%, and annualized return of 33.02% over the past year [11] Factor Name: Growth - **Construction Idea**: Measures the market's preference for growth-oriented stocks, focusing on financial growth metrics [9][14] - **Construction Process**: - **Delta ROE**: Average change in ROE over the past three years - **Sales Growth**: 3-year compound growth rate of TTM sales revenue - **Na Growth**: 3-year compound growth rate of TTM net assets [14] - **Evaluation**: Improved weekly performance, reflecting increased market interest in growth stocks [9] - **Performance**: Weekly return of 1.65%, monthly return of 0.77%, and annualized return of 1.32% over the past year [11] Factor Name: Certainty - **Construction Idea**: Reflects the market's preference for stocks with higher predictability and stability [10][14] - **Construction Process**: - **Instholder Pct**: Proportion of holdings by mutual funds - **Cov**: Analyst coverage adjusted for market capitalization - **Listdays**: Number of days since the stock's listing [14] - **Evaluation**: Experienced a significant decline in weekly performance, indicating reduced confidence in certainty-based strategies [10] - **Performance**: Weekly return of -3.99%, monthly return of -9.10%, and annualized return of -17.07% over the past year [11] Factor Name: Value - **Construction Idea**: Measures the market's preference for undervalued stocks based on valuation metrics [10][14] - **Construction Process**: - **BP**: Book-to-price ratio - **EP**: Earnings yield [14] - **Evaluation**: Significant decline in weekly performance, reflecting reduced market interest in value-based strategies [10] - **Performance**: Weekly return of -4.75%, monthly return of -8.10%, and annualized return of -16.96% over the past year [11] Factor Name: Size - **Construction Idea**: Captures the market's preference for small-cap stocks [10][14] - **Construction Process**: Logarithm of total market capitalization [14] - **Evaluation**: Experienced the largest decline among style factors, indicating reduced market interest in small-cap stocks [10] - **Performance**: Weekly return of -5.96%, monthly return of -12.84%, and annualized return of -54.81% over the past year [11] --- Factor Backtesting Results Weekly Performance - **Liquidity**: 5.44% - **Volatility**: 5.03% - **Beta**: 4.28% - **Growth**: 1.65% - **Certainty**: -3.99% - **Value**: -4.75% - **Size**: -5.96% [11] Monthly Performance - **Liquidity**: 13.08% - **Volatility**: 12.37% - **Beta**: 12.51% - **Growth**: 0.77% - **Certainty**: -9.10% - **Value**: -8.10% - **Size**: -12.84% [11] Annualized Performance (Past Year) - **Liquidity**: 33.79% - **Volatility**: 25.55% - **Beta**: 33.02% - **Growth**: 1.32% - **Certainty**: -17.07% - **Value**: -16.96% - **Size**: -54.81% [11]