** Shares of oil and gas companies rise premarket, tracking crude prices O/R

** Brent crude futures LCOc1 up 1.3% at $75.67 a barrel and U.S. West Texas Intermediate crude CLc1 up 1.4% at $72.00, on possible bargain hunting even as fears of potential global trade war linger after U.S. President Donald Trump's latest tariff plans

** "(Tariff uncertainty) affects risk appetite in general and has spillover effects into oil ... After last week's declines, some people may be buying into the dip," says Harry Tchilinguiran at Onyx Capital

** Energy majors Exxon Mobil XOM.N and Chevron CVX.N both up 1%

** Shares of Coterra Energy CTRA.N, EQT Corp EQT.N, APA Corp APA.O and Devon Energy DVN.N rise between 1% and 1.9%

** Shares of oilfield services providers Baker Hughes BKR.O, SLB SLB.N and Halliburton HAL.N all up marginally

** Refiner Valero Energy VLO.N up 1.1%

(Reporting by Vallari Srivastava in Bengaluru)

((Srivastava.Vallari@thomsonreuters.com;))