心脉医疗获融资买入0.44亿元，近三日累计买入1.54亿元

Group 1 - The core point of the news is that Xinmai Medical has experienced fluctuations in financing activities, with a net sell-off observed in recent trading days [1][2][3] Group 2 - On August 20, Xinmai Medical recorded a financing buy amount of 0.44 billion yuan, ranking 627th in the two markets, while the financing repayment amount was 0.64 billion yuan, resulting in a net sell-off of 19.39 million yuan [1] - Over the last three trading days from August 18 to August 20, Xinmai Medical had financing buy amounts of 0.61 billion yuan, 0.49 billion yuan, and 0.44 billion yuan respectively [1] - In terms of securities lending, on the same day, there were 20 thousand shares sold short, with a net sell-off of 20 thousand shares [2]