鑫科材料龙虎榜：营业部净买入2.03亿元

Group 1 - The stock of Xinke Materials (600255) reached the daily limit, with a turnover rate of 38.45% and a trading volume of 2.546 billion yuan, indicating strong market interest [1][2] - The stock exhibited a price fluctuation of 16.41% throughout the trading day, which contributed to its listing on the Shanghai Stock Exchange's watchlist [2] - The net buying by brokerage seats totaled 203 million yuan, reflecting positive sentiment among investors [2]