KARACHI: Investors took a cautious approach on Monday, with the Pakistan Stock Exchange (PSX) ending lower as concerns about the upcoming review of Pakistan’s economic performance by the International Monetary Fund (IMF) weighed on sentiment. The IMF mission is due on Sept 25.

The benchmark index started the rollover week on a volatile note, swinging between gains and losses. At one point, the index surged by 812 points, only to slip by 791 points, eventually closing at 157,554, down 482........

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