Karachi, (PPI Bot): Gatron Industries Limited (GATI) showed a marginal increase in its stock performance in the PSE. The company's stock opened at PKR 274.33 and closed slightly higher at PKR 275.2. During the session, the stock fluctuated between a low of PKR 268 and a high of PKR 269, with only 1,200 shares traded. The closing price was recorded at PKR 256.