上市公司炒股比主业更猛，1年暴赚20亿，减持上纬新材套现上亿

Core Viewpoint - The core business of a listed company primarily engaged in wind power equipment manufacturing has achieved significant investment gains, earning 1.962 billion RMB in investment income, surpassing its net profit of 1.86 billion RMB for the same period [1][15]. Group 1: Investment Performance - Goldwind Investment Holdings Co., Ltd. (金风投控), a subsidiary of Goldwind Technology, has been actively reducing its stake in its investee company, Upwind New Materials Technology Co., Ltd. (上纬新材), amid a substantial increase in the latter's stock price [1][8]. - Since July, Goldwind Investment has cumulatively reduced its holdings in Upwind New Materials by 1.6328 million shares, generating over 100 million RMB in cash [1][9]. - Upwind New Materials' stock price has surged by 1151.67% from July 9 to August 18, significantly outperforming related indices [13][9]. Group 2: Market Dynamics - The stock price of Upwind New Materials experienced a dramatic rise following an announcement of a major investment from a prominent robotics company, which has attracted significant market attention and capital [6][8]. - Goldwind Technology's investment strategy includes diversifying across various sectors, including renewable energy and advanced materials, to enhance financial resilience and mitigate industry risks [15][16]. - The overall A-share market has seen increased activity, with 57 companies announcing plans to use idle funds for securities investment, reflecting a broader trend of companies engaging in stock market investments [16][18].