Amid the backdrop of a challenged consumer economy and fading global demand, Chevron (CVX) and other major oil giants haven’t exactly enjoyed a stellar performance. Since the beginning of the year, ...

HOUSTON, Feb 28 (Reuters) - Exxon Mobil's surprise challenge to Chevron's acquisition of Hess through a dispute over a stake in a major Guyana oil field could prove fruitful for the U.S. oil giant, ...