The Pakistan Stock Exchange (PSX) witnessed volatile trading on Tuesday as the benchmark KSE-100 index closed in the red because of late-session profit-taking that erased early gains. After touching the intra-day high of 162,820, the index failed to sustain the momentum and slipped to the low of 161,277 before settling at 161,692.49. By the closing bell, the market had recorded a decline of 291