CIG (06166) experienced a rapid upward movement late in the trading session, turning positive after having fallen more than 5% earlier. The stock is now up 8.04%, trading at HK$137.1, with a turnover of HK$1.701 billion. This surge follows the company's announcement of its first-quarter 2026 financial results. Revenue for the quarter reached RMB 1.287 billion, representing a year-on-year increase of 43.98%. Net profit attributable to shareholders was RMB 118 million, a significant jump of 276.44% compared to the same period last year. The company attributed the strong performance primarily to increased shipments of its core business products. Notably, compared to the net profit of RMB 4 million in the fourth quarter of 2025, the first-quarter profit reflects a quarter-on-quarter growth of 2722%. The announcement highlighted that the substantial improvement in profitability was driven by an expansion in the scale of its high-speed optical module business during the reporting period.