Karachi, Bannu Woollen (BNWM) shares witnessed a marginal rise in the Pakistan Stock Exchange, as detailed in the latest financial announcements. The stock opened at 23.7 and saw a close at 23.8, with both the low and high for the day matching the opening and closing prices. The trading volume for Bannu Woollen was relatively low, with only 1,000 shares exchanged, and the closing price ended slightly higher at 24.3.