Core Points - C Zairun (301636) experienced a significant increase of 99.52% on its first trading day, with a turnover rate of 79.01% and a transaction volume of 813 million yuan [2] - The stock attracted a net inflow of 166.7 million yuan from major funds on its debut, with large orders contributing 103 million yuan to this inflow [3] Company Overview - The company primarily engages in the research, development, production, and sales of electrical connection and protection products for the photovoltaic industry [3] Trading Activity - On its first trading day, the stock recorded a financing purchase amount of 26.1 million yuan, accounting for 3.21% of the total trading volume, with a latest financing balance of 23.1 million yuan, representing 2.31% of the circulating market value [2] - The top five trading departments on the stock's debut had a combined transaction volume of 75.0 million yuan, with a net buying amount of 26.5 million yuan [3]