大洋电机涨停，深股通龙虎榜上净买入1869.27万元

Summary of Key Points Core Viewpoint - The stock of Dayang Electric has experienced significant trading activity, with a notable increase in both buying and selling from institutional investors and retail traders, indicating heightened market interest and volatility [2][3]. Trading Activity - Dayang Electric's stock reached a daily limit increase, with a turnover rate of 15.40% and a total transaction value of 2.763 billion yuan, showing a price fluctuation of 10.47% throughout the day [2]. - The stock was flagged by the Shenzhen Stock Exchange for a daily price deviation of 9.26%, highlighting its volatility [2]. - Institutional investors net sold 82.55 million yuan, while the Shenzhen Stock Connect saw a net purchase of 18.69 million yuan, indicating mixed sentiment among different investor groups [2]. Fund Flow - The stock saw a net inflow of 372 million yuan from major funds, with large orders contributing a net inflow of 386 million yuan, while smaller orders experienced a net outflow of 13.46 million yuan [2]. - Over the past five days, the net inflow of major funds totaled 604 million yuan, suggesting a positive trend in investor interest [2]. Margin Trading Data - As of September 15, the margin trading balance for Dayang Electric was 1.068 billion yuan, with a financing balance of 1.064 billion yuan and a securities lending balance of 3.98 million yuan [3]. - In the last five days, the financing balance increased by 152 million yuan, representing a growth of 16.68%, while the securities lending balance rose by 2.076 million yuan, marking a significant increase of 109.04% [3]. Major Trading Departments - The top trading departments included the Shenzhen Stock Connect, which was both the largest buyer and seller, with buying and selling amounts of 1.338688 billion yuan and 1.1517 billion yuan, respectively [3]. - Other notable buying departments included Guotai Junan Securities and Kaiyuan Securities, with significant buying amounts of 625.75 million yuan and 437.61 million yuan, respectively [3].