主力板块资金流入前10：汽车零部件流入33.44亿元、通用设备流入18.62亿元

Group 1 - The main market saw a net inflow of 2.579 billion yuan as of December 19 [1] - The top ten sectors with net inflows of main funds include: Automotive Parts (3.344 billion yuan), General Equipment (1.862 billion yuan), Commercial Retail (1.718 billion yuan), Energy Metals (1.194 billion yuan), Communication Equipment (1.057 billion yuan), Specialized Equipment (0.708 billion yuan), Consumer Electronics (0.590 billion yuan), Tourism and Hotels (0.529 billion yuan), Agriculture, Animal Husbandry, and Fishery (0.503 billion yuan), and Insurance (0.478 billion yuan) [1][2][3] Group 2 - Automotive Parts sector attracted the highest inflow of 3.344 billion yuan, with notable companies like Shanzi Gaoke [2] - General Equipment sector received 1.862 billion yuan, with key player Xue Ren Group [2] - Commercial Retail sector saw an inflow of 1.718 billion yuan, led by Yonghui Supermarket [2] - Energy Metals sector had an inflow of 1.194 billion yuan, with Huayou Cobalt as a significant company [2] - Communication Equipment sector attracted 1.057 billion yuan, with Aerospace Development being a notable company [2] - Specialized Equipment sector received 0.708 billion yuan, with Aerospace Power as a key player [2] - Consumer Electronics sector saw an inflow of 0.590 billion yuan, with Kosen Technology being a notable company [3] - Tourism and Hotels sector attracted 0.529 billion yuan, with China Duty Free Group as a significant player [3] - Agriculture, Animal Husbandry, and Fishery sector received 0.503 billion yuan, with Pingtan Development as a key company [3] - Insurance sector had a net inflow of 0.478 billion yuan, with China Ping An being a notable company [3]