主力板块资金流入前10：通信设备流入44.54亿元、航天航空流入30.32亿元

Group 1 - The main market experienced a net outflow of 29.841 billion yuan in principal funds as of January 22 [1] - The top ten sectors with inflows of principal funds include: Communication Equipment (4.454 billion yuan), Aerospace (3.032 billion yuan), Electronic Components (2.167 billion yuan), General Equipment (2.126 billion yuan), Photovoltaic Equipment (1.479 billion yuan), Coal Industry (1.108 billion yuan), Glass Fiber (0.885 billion yuan), Shipbuilding (0.875 billion yuan), Non-Metallic Materials (0.874 billion yuan), and Internet Services (0.868 billion yuan) [1] Group 2 - Communication Equipment saw an inflow of 4.454 billion yuan, with Zhongji Xuchuang as a notable company [2] - Aerospace received 3.032 billion yuan, with Triangle Defense being a key player [2] - Electronic Components attracted 2.167 billion yuan, with Pengding Holdings highlighted [2] - General Equipment had an inflow of 2.126 billion yuan, represented by Xue Ren Group [2] - Photovoltaic Equipment garnered 1.479 billion yuan, with Guosheng Technology noted [2] - The Coal Industry received 1.108 billion yuan, with Dayou Energy mentioned [2] Group 3 - Glass Fiber attracted 0.885 billion yuan, with Jiuding New Materials as a significant company [3] - Shipbuilding saw an inflow of 0.875 billion yuan, with China Shipbuilding as a key entity [3] - Non-Metallic Materials received 0.874 billion yuan, represented by Wolong Nuclear Materials [3] - Internet Services attracted 0.868 billion yuan, with Runze Technology highlighted [3]