Tidewater, Magnolia Oil & Gas, and Cactus Shares Are Soaring Following Attacks Near Strait of Hormuz

Shares of energy companies including Tidewater, Magnolia Oil & Gas, and Cactus rose sharply following a surge in crude oil prices triggered by escalating geopolitical tensions. Attacks on commercial tankers near the Strait of Hormuz and a drone strike on a major Russian refinery have heightened concerns over global supply disruptions. These developments have pushed the August crude oil contract above $72 per barrel, signaling a potential return of the geopolitical risk premium to the energy sector.

Oil prices experienced a significant afternoon surge after multiple tankers were reportedly struck by projectiles in the Strait of Hormuz, a critical passageway for approximately 20% of the world's seaborne oil and liquefied natural gas (LNG). This incident immediately pushed the August crude oil contract to over $72 a barrel as investors reacted to the renewed threat to global energy transport. The upward pressure on prices was further compounded by a drone attack on Russia's largest refinery, which signaled a significant expansion of the ongoing conflict in Ukraine and added another layer of supply-side uncertainty for the global market.

The resulting spike in crude prices has translated into increased investor sentiment for oil and gas firms, with Tidewater, Magnolia Oil & Gas, and Cactus seeing their shares soar. Tidewater, in particular, has demonstrated significant volatility, recording 19 moves of greater than 5% over the past year. While the stock is up 36.2% since the beginning of the year, it currently trades at $71.14 per share, which remains 21.9% below its 52-week high of $91.12 reached in April 2026.

The current rally stands in stark contrast to market activity just 19 days prior, when energy stocks and oil futures plummeted following a 14-point memorandum of understanding between the U.S. and Iran. That agreement, which initiated a 60-day negotiation period and promised toll-free passage through the Strait of Hormuz, had stripped away the geopolitical risk premium that previously supported the sector. During that period, WTI futures fell to an intraday low of $73.60 and Brent crude dropped to $77.96, reflecting the market's expectation of returning Iranian supply and normalized shipping activity in the Gulf region.

For the broader Oil & Gas sector, these fluctuating geopolitical developments highlight the sensitivity of energy markets to regional stability in the Middle East and Eastern Europe. Higher oil prices typically lead to increased revenues and profitability for producers and service providers, though they also contribute to broader inflationary pressures. As shipping activity in the Strait of Hormuz faces renewed disruption, the market is once again pricing in the risks associated with the world's most critical energy shipping lane, reversing the 29% price collapse seen during the brief period of de-escalation.