WRAPUP 2-Refining's silver lining loses luster at Exxon and Chevron
April 29, 2016 at 13:51 PM EDT
HOUSTON, April 29 (Reuters) - Exxon Mobil Corp and Chevron Corp on Friday reported their most dismal quarterly results in more than a decade on low oil prices and an oversupplied fuel market that hurt what had been lucrative refining margins.