On March 19, 15 companies collectively announced 15 updates related to stock repurchases. Among them, 5 companies disclosed stock repurchase plans for the first time, 1 company’s repurchase plan was approved by the shareholders' meeting, 1 company disclosed the progress of its stock repurchase implementation, and 8 companies have completed their repurchase plans. From the perspective of first-time disclosed repurchase plans, New Hope, STAR SHUAIER, and SDKX have the highest repurchase amounts, planning to repurchase no more than 146 million yuan, 100 million yuan, and 60 million yuan, respectively. Regarding the repurchase plan approved by the shareholders' meeting, Meige Intelligent plans to repurchase no more than 319,700 yuan. In terms of repurchase implementation progress, Yuchen Intelligent repurchased 15.7639 million yuan. Among those that have completed repurchases, 4 companies repurchased amounts exceeding 10 million yuan on that day. Mingde Biological, Suihengyun A, and Su Shi Testing have completed the highest repurchase amounts, repurchasing 248 million yuan, 59.7662 million yuan, and 30.0837 million yuan, respectively