万隆光电：2025年上半年净利润-1400.26万元，同比下降260.29%

Group 1 - The core viewpoint of the article highlights that Wanlong Optoelectronics (300710) reported a significant decline in both revenue and net profit for the first half of 2025 [1] - The company achieved operating revenue of 125 million yuan, representing a year-on-year decrease of 28.55% [1] - The net profit for the period was -14.0026 million yuan, indicating a year-on-year decline of 260.29% [1] - The basic earnings per share were reported at -0.1407 yuan [1] - The weighted average return on equity (ROE) was -3.01% [1]