Oil was supposed to keep climbing. Iran had effectively closed the Strait of Hormuz, the U.S. had blockaded Iranian ports, and the world's busiest shipping lane for crude was off the table.
Then Trump posted on Truth Social that the talks were "proceeding in an orderly and constructive manner." Markets did the math in seconds, sending crude down more than 5% and pushing Japanese stocks to a new record.
The Nikkei 225 closed up 2.87% at 65,158.19 on Monday, breaching 65,000 for the first time ever and capping a rally that started with Trump's post.
Taiwan's Taiex also hit a record, finishing up 3.26% at 43,644.40. Australia's ASX 200 added 0.40% while China's CSI 300 rose 1.58%.
Almost every Asian market that was open traded green, though Hong Kong, South Korea, and the U.S. were closed for holidays - so volume was light even as the direction stayed clear.
The trigger was Trump's tone, which markets read less as a threat and more as confidence that a deal is coming. Confidence means a return to normal shipping through Hormuz looks more likely than not.
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Roughly a quarter of the world's seaborne oil trade flows through Hormuz, which is why every desk on Wall Street started pricing in a shock that could push Brent toward $120 when Iran shut the strait.
That trade just got unwound, with WTI for July delivery dropping 4.71% to $92.06 a barrel in early Asia trading and Brent falling 4.42% to $98.96.
Think of it like rush hour on a single bridge into a city. Close the bridge and prices spike for everything that uses it, while reopening it pulls the panic premium right back out.
Earlier this month, BofA called $90 Brent the best case for crude this year - so Monday's drop matters as much for what it sets up as for the move itself.
U.S. markets were closed Monday for Memorial Day, so the move starts here Tuesday morning. On Friday, the Dow hit a fresh record at 50,579.70, the S&P 500 rose 0.37% to 7,473.47, and the Nasdaq added 0.19% to 26,343.97 - giving the U.S. setup that Asia ran with.
The bigger question is whether the relief rally extends or whether a single Truth Social post is doing too much work. Iran still hasn't signed anything and the Trump administration still has a blockade in place, leaving tone as the only real change today.
The IMF has already warned of stagflation if the Iran war keeps cutting oil supply, so any setback in talks would put pressure back on global growth fast.
For now, the tone was enough.
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