The Pakistan Stock Exchange (PSX) reversed its upward trajectory on Thursday after two days of gains, as investors opted for profit-taking at elevated levels, dragging the benchmark index into the red. Ali Najib, Deputy Head of Trading at Arif Habib Ltd, said the KSE-100 Index had surged nearly 6,594 points, or 5.7pc, in the previous two sessions following the Iran-Israel ceasefire. “Today’s