盈新发展连续7日涨停 累计涨幅达94.5%

Group 1 - Yingxin Development (000620) has seen its stock price hit the daily limit up for seven consecutive trading days, with a cumulative increase of 94.5% [1] - The company announced that it has not discovered any undisclosed significant information that could impact its stock price, aside from previously disclosed information [1] - Yingxin Development signed a share acquisition intention agreement to acquire 81.8091% of Guangdong Changxing Semiconductor Technology Co., Ltd. from Guangdong Changxing Information Management Consulting Co., Ltd. and Zhang Zhiqiang [1] Group 2 - Guangdong Changxing Semiconductor Technology Co., Ltd. was established in 2012 and focuses on memory chip packaging testing and storage module manufacturing [2] - The company has developed an integrated business model for research and development, packaging, and testing, and possesses wafer testing and repair technology [2] - It holds 76 valid patent authorizations, including 22 invention patents and 54 utility model patents, and is recognized as a national high-tech enterprise and a "little giant" enterprise in specialized and innovative sectors [2]