Shares of Chennai Petroleum Corporation Ltd (CPCL) and Mangalore Refinery and Petrochemicals Ltd (MRPL) experienced a notable surge in Wednesday's trading, bucking the overall weakness observed in the domestic benchmarks. The unexpected rally is primarily driven by an uptick in global crude oil prices, a development anticipated to enhance the gross refining margins (GRMs) for these refiners.
Stock Performance Highlights
Chennai Petroleum saw its shares climb by 7.35 percent, hitting a 52-week high of Rs 1,225.55 during intraday trade. Later, the stock was trading 4.06 percent higher at Rs 1,188, marking a significant gain of 40.43 percent in the calendar year 2026 so far.
Similarly, MRPL shares advanced by 6.93 percent, reaching Rs 157.40. The stock was last seen trading 4.14 percent higher at Rs 153.30. Despite this intraday jump, MRPL has remained largely flat year-to-date, showing a marginal decline of 0.26 percent.
Both refinery counters witnessed robust trading volumes coinciding with their price appreciation, indicating strong investor interest.
Crude Oil Prices Fueling Gains
Kranthi Bathini, Director of Equity Strategy at WealthMills Securities, highlighted that the current rise in crude oil prices is a key factor supporting refiners like Chennai Petroleum and MRPL. Higher crude prices typically translate into improved GRMs, which represent the difference between the value of petroleum products produced by a refinery and the cost of the crude oil used as feedstock.
Global oil prices extended their gains on Wednesday following escalating hostilities in the Middle East, which intensified concerns over potential supply disruptions. Brent crude futures were up $1.74, or 1.81 percent, trading at $97.74 a barrel. Concurrently, US West Texas Intermediate (WTI) crude rose by $1.85, or 1.97 percent, to $95.61 a barrel. Both benchmarks had settled at a one-week high in the preceding session.
Geopolitical Tensions in the Middle East
The latest surge in oil prices coincided with heightened tensions in the Gulf region. Kuwait's military reported that its air defense systems were actively intercepting incoming missiles and drones after the country faced aerial attacks. Kuwait's General Staff issued an initial statement confirming their forces were "currently confronting hostile missile and drone attacks," and that explosions heard across the country were linked to these interception operations.
Iran's state broadcaster IRIB claimed responsibility for targeting US military bases in Kuwait, asserting these actions were in response to what it described as "hostile actions" by the United States in the Persian Gulf, the Strait of Hormuz, and on Qeshm Island. However, the US Central Command (CENTCOM) swiftly dismissed Iran's assertions, stating that reports of American military bases in the region being hit were inaccurate.
The uncertainty and volatility stemming from these geopolitical developments continue to influence global energy markets, directly impacting the profitability and stock performance of oil refining companies.