Copper is vulnerable to further declines if the Strait of Hormuz remains blocked, Goldman Sachs Group warned as metals markets brace for President Donald Trump's deadline for Iran to agree a deal or face sweeping attacks on civilian infrastructure. "We see the near-term risks as skewed to the downside if strait flows remain disrupted for longer than our base case, which would keep energy prices higher for longer and likely show global economic growth," analysts including Aurelia Waltham said in a note. Most base metals have come under growing pressure in the past month as soaring oil and gas prices threaten to stifle ... (full story)