Pakistan, Nov. 12 -- The Pakistan Stock Exchange (PSX) plunged 3,668 points on Tuesday as investors feared security risks. The KSE-100 index closed at 157,870.50 points, down 2.27 percent. Market confidence fell after deadly attacks in Islamabad and Wana, prompting widespread caution. Analysts said geopolitical tensions and regional violence contributed heavily to the sharp decline.

Trading was volatile, with the index swinging between 161,516 and 157,765 points. Key stocks including Engro Corporation, Oil and Gas Development, Hub Power, Fauji Fertiliser, and Lucky Cement fell sharply. These major decliners alone accounted for nearly 1,000 points of the overall loss. Market participants rushed to sell shares amid growing uncertainty.

De...