Market Overview - The Shanghai Composite Index rose by 0.22% on October 23, with 21 out of the 28 sectors in the Shenwan classification experiencing gains. The top-performing sectors were coal and oil & petrochemicals, with increases of 1.75% and 1.53% respectively. Conversely, the sectors that saw the largest declines were telecommunications and real estate, down by 1.51% and 0.99% respectively [1]. Capital Flow Analysis - Throughout the day, the main capital outflow from both markets totaled 33.733 billion yuan. Six sectors saw net inflows, with the coal sector leading at a net inflow of 1.465 billion yuan, followed by the media sector with a net inflow of 362 million yuan and a daily increase of 0.90% [1]. - A total of 25 sectors experienced net capital outflows, with the electronics sector leading the outflow at 5.435 billion yuan, followed by the machinery equipment sector with an outflow of 4.999 billion yuan. Other sectors with significant outflows included pharmaceuticals, telecommunications, and electrical equipment [1]. Construction Materials Sector - The construction materials sector declined by 0.91%, with a total net capital outflow of 697 million yuan. Out of 71 stocks in this sector, 30 stocks rose, including 2 that hit the daily limit, while 41 stocks fell [2]. - Among the stocks with net inflows, Beixin Building Materials topped the list with an inflow of 36.797 million yuan, followed by Jingxue Energy Saving and Qingsong Construction with inflows of 31.815 million yuan and 9.609 million yuan respectively. Conversely, the stocks with the largest net outflows included China Jushi, Zhongcai Technology, and Zhongtie Assembly, with outflows of 65.220 million yuan, 64.058 million yuan, and 58.115 million yuan respectively [2][3]. Individual Stock Performance - The following table summarizes the capital flow and performance of key stocks in the construction materials sector: | Stock Code | Stock Name | Daily Change (%) | Turnover Rate (%) | Main Capital Flow (10,000 yuan) | |------------|------------------|------------------|-------------------|----------------------------------| | 600176 | China Jushi | -1.10 | 0.86 | -65.220 | | 002080 | Zhongcai Technology | -6.01 | 3.09 | -64.058 | | 300374 | Zhongtie Assembly | -8.92 | 21.62 | -58.115 | | 600585 | Conch Cement | -0.38 | 0.56 | -53.628 | | 600293 | Three Gorges New Materials | -6.95 | 16.94 | -49.968 | | 600326 | Tibet Tianlu | -1.70 | 4.85 | -47.501 | | 603256 | Honghe Technology | -4.50 | 1.48 | -42.050 | | 301526 | International Composite Materials | -1.97 | 4.37 | -39.217 | | 605318 | Fashilong | 9.99 | 6.66 | -32.091 | | 000877 | Tianshan Shares | -2.94 | 0.61 | -27.135 | | 002225 | Purenai Shares | -3.76 | 3.88 | -25.901 | | 000672 | Shangfeng Cement | -1.53 | 2.35 | -22.121 | | 600819 | Yaopi Glass | -0.76 | 3.79 | -21.966 | | 001212 | Zhongqi New Materials | -1.95 | 2.87 | -21.142 | | 601636 | Qibin Group | -0.15 | 1.03 | -18.347 | | 603038 | Huali Shares | -0.59 | 6.65 | -16.302 | | 002392 | Beijing Lier | -1.44 | 1.18 | -14.091 | | 002043 | Rabbit Baby | -4.09 | 2.59 | -13.805 | | 002066 | Ruitai Technology | 0.06 | 8.24 | -13.524 | [2][3][4]