On May 27, Occidental Petroleum fell 3.01% in pre-market trading, trading at $56.0/share, with trading volume of $3.31 million.

On the news front, the energy sector faced broad-based selling pressure, with the NYSE Energy Index declining 2.2% and WTI crude oil falling 2.7% to $93.96/barrel. Sector peers including Chevron fell 1.67%, Exxon Mobil fell 2.08%, BP fell 3.47%, and Shell fell 2.15%.

Simultaneously, Occidental Petroleum is nearing completion of an acquisition of a 10% stake in Exxon Mobil's deepwater exploration block offshore Trinidad and Tobago. The block, designated UD, lies in water depths of 2,000 to 3,000 meters and borders Guyana's prolific Stabroek block. Exxon was previously the sole owner of the block, which was first officially obtained in August of last year. However, exploration risk remains elevated, with seismic data interpretation not expected to conclude until year-end, contributing to investor caution regarding near-term returns.

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