杭州高新跌2.13%，成交额2.29亿元，主力资金净流入73.72万元

Group 1 - The core viewpoint of the news is that Hangzhou High-tech has experienced a significant stock price increase of 185.79% year-to-date, despite a recent decline of 2.13% on October 29 [1] - As of October 20, the number of shareholders for Hangzhou High-tech is 12,400, which is a decrease of 5.36% from the previous period [2] - The company reported a revenue of 197 million yuan for the first half of 2025, representing a year-on-year growth of 28.79%, while the net profit attributable to the parent company was -6.85 million yuan, showing a year-on-year increase of 21.54% [2] Group 2 - Hangzhou High-tech's main business involves the research, production, and sales of polymer materials for cables, with a revenue composition of 70.15% from special polyethylene and cross-linked polyethylene cable materials [1] - The company has not distributed any dividends in the past three years, with a total payout of 39.88 million yuan since its A-share listing [3] - The stock is categorized under the basic chemical industry, specifically in the plastic and modified plastic sector, and is associated with concepts such as new energy and nuclear power [2]