上周融资余额增加超630亿元，这些个股被显著加仓

Market Overview - The A-share market experienced a volatile upward trend last week, with the margin balance reaching a historical high of 23,515.70 billion yuan as of September 12, and the financing balance at 23,349.63 billion yuan, an increase of 636.57 billion yuan over the week [1][3] Trading Activity - During the five trading days of last week, the financing balance increased by 262.36 billion yuan on September 8, 59.52 billion yuan on September 9, 57.74 billion yuan on September 10, 144.13 billion yuan on September 11, and 112.82 billion yuan on September 12 [1][3] Industry Performance - Out of 31 industries tracked, 23 saw an increase in financing balance, with the electronics, power equipment, and non-ferrous metals sectors leading in net financing inflows of 163.54 billion yuan, 151.34 billion yuan, and 64.74 billion yuan respectively [1][2] - Conversely, the transportation, food and beverage, and agriculture sectors experienced net outflows of 9.67 billion yuan, 6.13 billion yuan, and 2.62 billion yuan respectively [1][2] Individual Stock Activity - A total of 203 stocks saw net purchases exceeding 1 billion yuan, with the top ten stocks being Yangguang Electric, Cambricon Technologies, Xian Dao Intelligent, Luxshare Precision, NewEase, Dongshan Precision, SMIC, Shannon Microelectronics, Shenghong Technology, and Zijin Mining, with net purchases of 30.42 billion yuan, 24.87 billion yuan, 19.80 billion yuan, 17.39 billion yuan, 15.47 billion yuan, 14.72 billion yuan, 13.22 billion yuan, 11.53 billion yuan, 10.95 billion yuan, and 10.23 billion yuan respectively [4][5] - Most of the top ten stocks with increased financing saw price increases, with Shannon Microelectronics experiencing a surge of over 71% [4]