股东拟减持，中研股份跌6.6%，连续2日回调

Group 1 - The core point of the article highlights that Zhongyan Co., Ltd. (688716.SH) experienced a 6.6% decline in stock price, marking a two-day pullback after reaching a new high, with the current price at 41.99 yuan and a total market capitalization of 5.1 billion yuan [1] - The company announced a share reduction plan where shareholder Wang Xiuyun intends to reduce holdings by no more than 1.2168 million shares, which is up to 1% of the total share capital [1] - Over the past three years, the company has issued three announcements regarding share reduction plans [1] Group 2 - The company reported a staggering 6430% increase in net profit for the first quarter of 2025 [1] - Additionally, the company has achieved certification for its Tesla Optimus joint [1]