According to statistics, on October 29, Hangzhou Oxygen Plant Group Co., Ltd. (002430) disclosed plans for shareholding increases after market close. Meanwhile, 11 A-share listed companies, including Wuxi Apptec Co., Ltd. (603259), announced plans for stake reductions.

The list of companies planning reductions includes: Lutian Machinery, Jianghua Microelectronics, Wuxi Apptec, Jin Hua Shares, AMEC, Jiuzhou Group, Hechuan Technology, Guorui Technology, Kailun Shares, INJ Intelligent Chip Group, and Mindong Electric Power.

Investors are advised to conduct thorough research and exercise caution when making decisions based on such disclosures. Market risks remain, and all investment actions should be taken at one's own discretion.

For more detailed analysis and updates, refer to professional financial platforms.