KARACHI: The Pakis­tan Stock Exchange (PSX) closed at a historic high on Thursday, reaching near the 158,000-point mark, despite challenges posed by recent floods and a negative current account in August.

The benchmark KSE 100 index surged by 1,775.65 points or 1.14 per cent, closing at 157,953.47, driven by investor optimism following the signing of a Strategic Mutual Defence Agreement (SMDA) between Pakistan and Saudi Arabia.

The defence deal, signed during Prime Minister Shehbaz Sharif’s visit to Riyadh, was seen as a........

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