2月9日增减持汇总：长虹华意等7股增持 协鑫集成等19股减持（表）

Summary of Key Points Core Viewpoint - On February 9, a number of A-share listed companies disclosed their shareholding changes, with several companies announcing share buybacks while others reported share reductions by major shareholders [1][3]. Group 1: Share Buybacks - Changhong Huayi: Former senior management member He Chengzhi increased his shareholding in the company [2]. - Bowei Alloy: Controlling shareholder Bowei Group plans to increase its stake [2]. - Keyuan Pharmaceutical: Controlling shareholder intends to buy back shares worth between 50 million and 100 million yuan [2]. - Gaweida: Plans to repurchase shares worth between 30 million and 35 million yuan [2]. - Huitai Medical: Plans to repurchase shares worth between 150 million and 200 million yuan for employee stock ownership plans or equity incentives [2]. - Kaiying Network: Plans to repurchase shares worth between 100 million and 200 million yuan [2]. - Dielian Technology: Plans to repurchase shares worth between 100 million and 200 million yuan [2]. Group 2: Share Reductions - Changchuan Technology: Shareholder Changchuan Investment plans to reduce its stake by no more than 1.11% [2]. - Xinling Electric: Director and General Manager Zhang Pengchun plans to reduce his stake by no more than 1.28% [2]. - Taida Holdings: Controlling shareholder Taida Holdings plans to reduce its stake by no more than 2% [2]. - Xiexin Integration: Fourth largest shareholder Qianhai Jinkong plans to reduce its stake by no more than 1.01% [2]. - Chip Original: The major fund reduced its holdings by 3.3544 million shares from January 26 to February 9 [2]. - Keshida: Controlling shareholder Ningbo Keshida plans to reduce its stake by no more than 1% [2]. - Haiguo Shares: Shareholder Yulong Venture plans to reduce its stake by no more than 0.9965% [2]. - Zhongzhou Special Materials: Shareholder Shanghai Dunjia plans to reduce its stake by no more than 1.40% [2]. - Lianang Technology: Shareholders plan to collectively reduce their stake by no more than 0.96% [2]. - Songsheng Shares: Shareholders plan to collectively reduce their stake by no more than 5% [2]. - Liansheng Chemical: Controlling shareholder Liansheng Group and its concerted parties plan to collectively reduce their stake by no more than 3% [2]. - Senba Sensor: Shareholder Yingbei Investment plans to reduce its stake by no more than 3% [2]. - ST Zhongzhu: Shareholder Zhongshengyuan plans to reduce its stake by no more than 3% [2]. - Youde Precision: Shareholder UCM plans to collectively reduce their stake by no more than 3% [2]. - Tengya Precision: Shareholder Ma Shufang plans to reduce her stake by no more than 2.68% [2]. - Far East Shares: Shareholder Guoyuan Investment plans to reduce its stake by no more than 1.50% [2]. - Wantai Biology: Chairman Qiu Zixin plans to reduce his stake by no more than 0.3954% [2]. - Xuantai Pharmaceutical: Shareholder Finer Pharma Inc. plans to reduce its stake by no more than 2% [2]. - Perfect World: The actual controller reduced 1.247 million shares during stock volatility [2].