Chevron Corp. ( CVX, Financials) reported its first refining loss in four years as part of its fourth-quarter earnings, leading to a 3.7% drop in its stock price to $150.54 as of 12:00 p.m. ET Friday ...
Profits for Exxon Mobil and Chevron were slammed by slumping fuel margins as the prospect of U.S. tariffs on two major oil suppliers threatens to make the refining business even worse.