上周融资余额增超30亿元，这些行业和个股被显著加仓

Market Overview - The A-share market experienced fluctuations and adjustments last week, with the margin balance reported at 25,038.28 billion yuan as of December 19, and the financing balance at 24,871.33 billion yuan, reflecting an increase of 3.40 billion yuan over the week [1]. Financing Balance Changes - During the five trading days of last week, the financing balance increased by 4.84 billion yuan on December 15, decreased by 459 million yuan on December 16, decreased by 2.23 billion yuan on December 17, decreased by 3.32 billion yuan on December 18, and increased by 4.58 billion yuan on December 19 [1]. - Among the 31 industries tracked, 12 industries saw an increase in financing balance, with the electronic, defense, and non-bank financial sectors leading in net buying amounts of 4.27 billion yuan, 2.81 billion yuan, and 1.61 billion yuan respectively [1][2]. Industry-Specific Financing Data - The following industries had notable financing net buying amounts: - SW Electronics: 4.27 billion yuan - SW Defense: 2.81 billion yuan - SW Non-bank Financials: 1.61 billion yuan - Conversely, the industries with the highest net selling amounts included: - SW Basic Chemicals: 1.87 billion yuan - SW Food and Beverage: 1.17 billion yuan - SW Banking: 1.02 billion yuan [2]. Individual Stock Performance - Last week, 95 stocks saw net buying amounts exceeding 100 million yuan, with the top ten stocks being: - China Ping An: 2.57 billion yuan - Aerospace Electronics: 988 million yuan - C Muxi-U: 959 million yuan - Yonghui Supermarket: 690 million yuan - Shenghong Technology: 678 million yuan - Ganfeng Lithium: 531 million yuan - C Youxun: 521 million yuan - Moer Thread-U: 517 million yuan - Feilong Co.: 501 million yuan - Zhaoyi Innovation: 501 million yuan [3][4]. Market Performance of Top Stocks - The stocks with the highest net buying amounts generally performed well, with the top performer, Aerospace Electronics, seeing a price increase of over 25% [4].