On July 30, a total of 3,826 A-share stocks recorded margin buying activity, with 298 of them seeing purchases exceeding 100 million yuan.

Among them, ZJ INNOLIGHT, C长鑫, and 兆易创新 ranked as the top three in margin buying amounts, attracting 7.345 billion yuan, 5.21 billion yuan, and 5.106 billion yuan, respectively.

In terms of the proportion of margin buying to total daily trading volume, three stocks had a ratio exceeding 30%. 柳钢股份, 振德医疗, and 腾达建设 led this category, with margin buying accounting for 32.86%, 31.18%, and 30.12% of their respective trading volumes.

Regarding net margin buying, 12 stocks recorded net purchases exceeding 100 million yuan. 永鼎股份, 兆易创新, and 蓝色光标 were the top three in net margin buying, with net inflows of 628 million yuan, 207 million yuan, and 160 million yuan, respectively.