微创光电：8月20日融资净买入139.14万元，连续3日累计净买入280.64万元

Group 1 - The core point of the news is that Micron Optoelectronics (430198) has seen significant net financing purchases, totaling 139.14 million yuan on August 20, 2025, with a cumulative net purchase of 280.64 million yuan over the last three trading days [1][2][3] - The financing balance on August 20, 2025, reached 754.19 million yuan, which is an increase of 22.62% compared to the previous day [2][3] - The financing net purchases for the previous trading days were 37.04 million yuan on August 19 and 104.46 million yuan on August 18, indicating a positive trend in investor interest [2][3] Group 2 - The financing balance as a percentage of the circulating market value was 0.95% on August 20, 2025, reflecting a growing engagement in margin trading [2] - The overall margin trading balance increased significantly, with a total of 754.19 million yuan on August 20, 2025, compared to 615.05 million yuan on August 19, 2025 [3] - The data indicates a fluctuating trend in margin trading, with previous days showing both increases and decreases in financing balances [3]