CIG's stock price plummeted 6.09% during intraday trading on Wednesday, marking a significant reversal from recent gains.

The decline represents profit-taking activity following a sharp rally in the optical communications sector. The stock had surged 8.9% in the previous session driven by CPO (Co-Packaged Optics) concept activity and strong light module order momentum.

This pattern of profit-taking after rapid run-ups has been observed previously in the sector, with investors locking in gains from the recent CPO-driven rally creating near-term technical selling pressure.