方大新材换手率28.64%，龙虎榜上榜营业部合计净买入2901.96万元

Group 1 - Fangda New Materials (838163) experienced a daily limit increase of 29.94%, with a trading volume of 3.38 billion yuan and a turnover rate of 28.64% [2] - The stock showed a price fluctuation of 32.39% during the trading day, leading to its listing on the North Exchange's watchlist [2] - The net buying amount from brokerage seats totaled 29.02 million yuan, with the top five brokerage seats accounting for a total transaction of 61.76 million yuan [2] Group 2 - The largest buying brokerage was Huatai Securities Co., Ltd. Shanghai Wuding Road Securities Seat, with a buying amount of 15.27 million yuan [2] - The largest selling brokerage was Dongfang Caifu Securities Co., Ltd. Lhasa East Ring Road Second Securities Seat, with a selling amount of 3.87 million yuan [2] - The top five buying brokerages included Guojin Securities and Dongfang Caifu, with significant buying amounts of 9.99 million yuan and 6.71 million yuan respectively [2]