Crude oil futures (CL=F, BZ=F) extended gains Friday, marking another week of gains amid the ongoing Middle East conflict and concerns about whether global supply will be impacted. With various pressures due to changes in routes for ships, and production lapses due to conflicts, Yahoo Finance Senior Business Reporter Ines Ferré takes a closer look at what is happening, and what to expect.

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Editor's note: This article was written by Eyek Ntekim