Core Insights - The wind energy sector experienced a notable increase on April 30, with a rise of 0.23% in the concept sector, driven by significant gains in several companies, including Jinming Precision Machinery, which rose by 11.31% [1][2] Company Performance - Jinming Precision Machinery saw a rise of 11.31% - Other notable performers included Ningbo Dongli (up 10.04%), Chuanrun Co. (up 10.02%), Zhenjiang Co. (up 10.01%), and Nanjing Chemical Fiber (up 10.00%) [1][6] - Jiuding New Materials increased by 9.97% [1] Fund Flow Analysis - On April 30, the wind energy sector experienced a net outflow of 643 million yuan in main funds [3][4] - The top three companies with net inflows were Chuanrun Co. (301 million yuan), Wolong Electric Drive (180 million yuan), and Zhenjiang Co. (149 million yuan) [4][7]