Tuesday's trading on the Pakistan Stock Exchange (PSX) ended with the benchmark KSE-100 index closing below the psychologically important 180,000-point mark, extending a three-session losing streak driven by investor anxiety over the escalating Middle East conflict and its impact on global oil prices. Main Developments The index settled at 179,846.68, a drop of 1,463.60 points or 0.81 per cent. Intraday swings were sharp, with the market touching a high of 181,017 before sliding to a low of 179,778—a range of 1,238 points that underscored the session's volatility. Early gains evaporated as crude prices climbed and hopes for a near-term US-Iran agreement faded, according to Topline Securities Ltd. Profit-taking across major index-heavy sectors compounded the pressure, with Fauji Fertiliser, Lucky Cement, Engro Holdings, United Bank and Bank Al-Habib collectively erasing roughly 778 points from the benchmark. Read also: Karachi's maritime hub plan: Cruise services, port expansion unveiled Ali Najib, deputy head of trading at Arif Habib Ltd, noted that investor sentiment remained depressed despite a positive opening, attributing the gloom to rising international oil prices. On the corporate side, Fauji Cement Company Ltd reported FY26 net earnings of Rs16.2 billion, up 21 per cent year-on-year, with earnings per share at Rs6.6 and a final cash dividend of Rs1.5 per share announced. Background The PSX has been navigating a turbulent stretch, with the Middle East conflict injecting uncertainty into regional markets. The KSE-100's breach of the 180,000 level marks a notable pullback from recent highs, as investors weigh geopolitical risks against domestic corporate earnings. The index's three-day slide reflects a broader sentiment shift, with trading volumes and turnover both declining—volume fell 6.21 per cent to 860 million shares, while total turnover dipped 13.26 per cent to Rs38.86 billion. Why It Matters The sustained volatility signals how external shocks—particularly the Middle East conflict and its effect on energy prices—can quickly erode investor confidence in Pakistan's equity market. The index's drop below 180,000 could trigger further caution among retail and institutional players, potentially affecting capital flows and market liquidity. Corporate results, like Fauji Cement's earnings beat, offer some support but are being overshadowed by macro-level concerns. What's Next Analysts expect the PSX to remain volatile but broadly range-bound, with geopolitical developments likely to dictate the next major move. Investors will be watching for any shifts in US-Iran negotiations, crude price movements, and fresh corporate announcements in the coming sessions to gauge whether the market can reclaim the 180,000 level.