[Main Fund Monitoring: Jin'an Guoji's Net Buying Exceeded 600 Million] On October 30, the market tracking data showed that in early trading today, the main funds had a net inflow into the food and beverage industry, medicine, shipping ports and other sectors, and a net outflow from the electronics, computer, communications and other sectors, of which the electronic sector had a net outflow of over 3.1 billion yuan. In terms of individual stocks, Jinan Guoji ranked first with net purchases of more than 600 million yuan by main funds. CATL, Eston, and Greatoo Intelligent received the top net inflows of main funds; Zhongtian Technology suffered net sales of more than 400 million yuan, and Tianfu Communications, Shenghong Technology, and Tianyu Digital topped the list with net fund outflows.