Crude oil prices swung sharply at the end of the week as reports suggested China was trying to restart stalled talks between the United States and Iran. The news pushed crude futures down more than 4% on Friday, reversing part of a rally that had lifted prices earlier in the week.

Even with that late decline, both Brent crude and West Texas Intermediate were still headed for strong weekly gains of around 10%. That pattern shows how sensitive the oil market remains to geopolitical headlines, especially when traders are weighing the risk of supply disruption against the possibility of diplomatic progress.

The latest move highlights a familiar tension in energy markets. Concerns tied to Iran and broader regional instability can quickly drive crude higher, but any sign of renewed negotiations can cool those fears and trigger selling. China's reported involvement added a new factor for investors watching whether diplomacy could reduce the risk premium built into prices.

What happens next for crude oil will likely depend on whether peace efforts gain traction and how markets judge the chance of a wider conflict. For now, oil remains caught between strong geopolitical support and sudden pullbacks whenever talk of negotiations returns.