Karachi, (PPI Bot): National Silk & Rayon Mills (NSRM) witnessed an increase in its stock value at the end of the trading day. The shares opened at 21.5 PKR and closed significantly higher at 23.11 PKR. The stocks were traded at a steady low and high of 21.5 PKR and 23.11 PKR, with 4,500 shares exchanged. The closing price was consistent with the opening at 21.5 PKR.