Exxon Mobil and Chevron are pushing back on “shortsighted” investors and maintaining their growth plans even as they feud with each other.

President Trump’s trade policies have helped to push down oil prices while raising the costs of materials for oil and gas companies.

Shares of Chevron Corp. were sinking toward a three-year low in early trading Friday, after the oil and gas giant reported quarterly profit that dropped, but beat expectations, while production was flat and revenue fell short of forecasts.