Exxon Mobil and Chevron executives face questions on Venezuela investments as they report quarterly earnings. U.S. capture of President Nicolas Maduro opens access to Venezuelan oil reserves. Chevron heavily invested in Venezuela, while Exxon focuses on Guyana. Weaker oil prices may impact earnings for major oil companies like BP and Shell. Analysts await updates on future outlook and shareholder returns.

Read more at Yahoo Finance: Geopolitics loom large over Big Oil earnings as investors seek Venezuela details