Di Yi Cai Jing·2026-01-19 01:35Market Overview - The A-share market opened lower, with the Shanghai Composite Index down 0.27%, the Shenzhen Component down 0.41%, the ChiNext Index down 0.60%, and the Sci-Tech Innovation Index down 0.24% [2][3] - The 6G, CPO, and optical chip concepts saw significant declines, while the semiconductor sector showed strength [1] Company Specifics - Rongbai Technology experienced a 20% drop, hitting the daily limit down, following an announcement of an investigation by the China Securities Regulatory Commission due to misleading statements regarding a major contract worth 120 billion yuan, which was described as an estimate with uncertain final sales [3] - Yanjiang Co. reached the daily limit up after announcing plans to acquire 98.54% of Yongqiang Technology [5] - Tongwei Co. opened down over 5%, with projections indicating a net loss of approximately 9 to 10 billion yuan for 2025 [6]