Zheng Xing Xing Ye Ri Bao·2025-08-22 08:39Core Viewpoint - The optical and optoelectronic sector experienced a significant increase, with a 2.03% rise on August 22, led by Helitai's strong performance [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3825.76, up 1.45% [1] - The Shenzhen Component Index closed at 12166.06, up 2.07% [1] - Helitai (002217) led the sector with a closing price of 3.07, reflecting a 10.04% increase [1] Group 2: Stock Performance - The following stocks showed notable gains: - Chanzhan Optoelectronics (003019) closed at 43.55, up 8.60% [1] - Chenglai Optics (688502) closed at 438.00, up 8.01% [1] - Wavelength Optoelectronics (301421) closed at 89.77, up 7.10% [1] - Lianjian Optoelectronics (300269) closed at 5.83, up 6.97% [1] - Fuzhen Technology (002222) closed at 44.48, up 5.63% [1] - Aobi Zhongguang (688322) closed at 83.28, up 5.38% [1] - Gebijia (835438) closed at 45.00, up 4.65% [1] - Fuguang Co., Ltd. (688010) closed at 34.74, up 4.45% [1] - Tianshan Electronics (301379) closed at 27.76, up 4.13% [1] Group 3: Capital Flow - The optical and optoelectronic sector saw a net inflow of 889 million yuan from main funds [3] - Retail investors contributed a net inflow of 54.79 million yuan, while speculative funds experienced a net outflow of 944 million yuan [3]