北方股份今日跌4.62%，2家机构专用席位净买入1.01亿元

Group 1 - The stock of Beifang Co. fell by 4.62% today, indicating a decline in market performance [1] - The trading volume reached 964 million yuan, reflecting significant market activity [1] - The turnover rate was 20.12%, suggesting a high level of trading relative to the total shares outstanding [1] Group 2 - Two institutional special seats net bought 101 million yuan in the after-market trading, indicating institutional interest despite the stock's decline [1]