CIG's stock surged 5.17% during intraday trading on Wednesday, reflecting significant investor interest.

The rally was driven by sustained strength in the optical module industry and accelerating earnings delivery from the company. Industry leader Zhongji InnoLight reported first-quarter revenue surging 192% year-over-year, lifting sentiment across the entire sector. For CIG, institutional forecasts project robust first-quarter net profit growth.

On the product side, the company's 800G optical modules are being shipped in volume to leading cloud service providers, while 1.6T optical modules have entered a mass shipment phase. Capacity expansion is also progressing across multiple sites, with production at Jiashan and Malaysia factories ramping up and construction of its Mexico production base advancing steadily.