Zheng Xing Xing Ye Ri Bao·2025-10-21 08:30Core Insights - The infrastructure sector experienced a significant increase of 2.11% on October 21, with Guan Zhong Ecological leading the gains [1] - The Shanghai Composite Index closed at 3916.33, up 1.36%, while the Shenzhen Component Index closed at 13077.32, up 2.06% [1] Infrastructure Sector Performance - Guan Zhong Ecological (300948) saw a closing price of 22.03, with a remarkable increase of 19.99% and a trading volume of 239,400 shares, amounting to a transaction value of 496 million [1] - Hui Lv Ecological (001267) closed at 17.88, up 10.03%, with a trading volume of 663,900 shares and a transaction value of 1.156 billion [1] - Hongrun Construction (002062) closed at 11.57, up 9.98%, with a trading volume of 621,900 shares and a transaction value of 689 million [1] - Other notable performers included Pu Bang Co. (002663) with a 9.81% increase, and Tunnel Co. (600820) with a 6.38% increase [1] Capital Flow Analysis - The infrastructure sector saw a net inflow of 505 million from institutional investors, while retail investors contributed a net inflow of 38.41 million [2][3] - Major stocks like Hui Lv Ecological and China Electric Power Construction (601669) experienced significant net inflows from institutional investors, while retail investors showed a net outflow [3] - The overall capital flow indicates a mixed sentiment, with institutional investors showing confidence in certain stocks while retail investors were more cautious [2][3]