龙虎榜 影石创新下跌4.00%，知名游资海通总部卖出6531.14万元

Group 1 - The stock of Ying Shi Innovation experienced a decline of 4.00% and reached the trading limit with a turnover rate of 30% on August 20, indicating significant selling activity from well-known speculators [1] - The top five buying institutions collectively purchased shares worth 437 million yuan, while the top five selling institutions sold shares worth 370 million yuan, resulting in a net inflow of approximately 66.29 million yuan [2] - The largest buying institutions included Dongfang Securities with 120.03 million yuan, Guotai Junan Securities with 110.65 million yuan, and UBS Securities with 85.07 million yuan, while the largest selling institutions included proprietary institutions and UBS Securities [3]