迈威生物获融资买入0.40亿元，近三日累计买入2.11亿元

Group 1 - The core viewpoint of the articles indicates that Maiwei Biotech has experienced fluctuations in financing activities over the recent trading days, with varying amounts of financing buy-ins and sell-outs [1][2][3] Group 2 - On August 20, Maiwei Biotech had a financing buy-in amount of 0.40 billion yuan, ranking 671st in the market, while the financing repayment amount was 0.60 billion yuan, resulting in a net sell-out of 20.14 million yuan [1] - Over the three trading days from August 18 to August 20, the financing buy-ins for Maiwei Biotech were 0.72 billion yuan, 0.98 billion yuan, and 0.40 billion yuan respectively [2] - In terms of securities lending, on the same day, there were no shares sold short, but there was a net buy-in of 1,800 shares [3]