Oil companies climb on looming Russian export sanctions

S&P 500 energy index .SPNY rises 1%, tracking an increase in crude prices O/R

Chevron CVX.N, SLB SLB.N, APA APA.O and Halliburton HAL.N rise between 1.7% and 2%, among top pct gainers on the energy index

Brent crude futures LCOc1 up 0.6% at $63.10/bbl, while U.S. West Texas Intermediate (WTI) crude futures CLc1 rise 0.7% to $58.88/bbl as investors weighed concerns about global oversupply with looming sanctions against Russia's Lukoil O/R

Both benchmarks dropped around 4% in the previous session