菱电电控龙虎榜：营业部净买入1104.58万元

Group 1 - The stock of Lidian Electric Control (688667) closed at 54.90 yuan on April 30, reaching the daily limit with a trading volume of 1.26 billion yuan and a turnover rate of 4.56% [2] - The stock's price increased by 15%, leading to its inclusion in the daily trading list [2] - The top five trading departments accounted for a total transaction of 60.54 million yuan, with a net buying amount of 11.05 million yuan [2][3] Group 2 - The main capital inflow for the stock was 5.34 million yuan throughout the day [3] - The largest buying department was Northeast Securities Co., Ltd. Beijing Chaoyang Branch, with a buying amount of 11.13 million yuan [3] - The largest selling department was Huafu Securities Co., Ltd. Shanghai Zunyi Road Securities Branch, with a selling amount of 6.14 million yuan [3]