Group 1 - The core business of the company is the research, production, and sales of PCBs, with some products applied in optical modules, but the company does not manufacture optical modules [1] - This clarification helps investors understand the company's business boundaries and avoids misinterpretation related to the optical module concept [1] Group 2 - In the past 7 days, the stock price of the company has shown a fluctuating upward trend, with a cumulative increase of 7.13% [2] - Specific stock performance includes: - February 9: closing price of 45.20 yuan, up 2.36% in a single day - February 10: closing price of 47.48 yuan, up 5.04% with a transaction volume of 485 million yuan - February 11: closing price of 46.06 yuan, down 2.99% with a net outflow of 19.30 million yuan - February 12: closing price of 46.88 yuan, up 1.78% with a net inflow of 9.32 million yuan and a transaction volume of 332 million yuan - February 13: closing price of 47.31 yuan, up 0.92% with a net inflow of 3.06 million yuan and a transaction volume of 383 million yuan [2] - The flow of funds indicates a divergence in main investor sentiment, but overall stock prices are supported by the PCB industry's prosperity and emerging applications such as automotive electronics and optical module concepts [2]
四会富仕澄清光模块业务边界 股价近期波动上涨