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SoftBank Just Jumped 10% On The Iran-U.S. Peace Deal

Published Jun 15, 2026
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Summary:
  • SoftBank closed Monday up 10%, the best performer among Asia's big tech names.
  • Samsung Electronics rose 4.5% and SK Hynix climbed 6.42% as chip stocks rallied across the region.
  • Iran and the U.S. agreed to end the conflict, with a signing ceremony set for Friday, June 19 in Switzerland.

A peace deal in the Middle East just sent tech stocks flying across Asia. The biggest winners had almost nothing to do with the war.

SoftBank led the pack. It closed Monday up 10% as chip and AI names rallied with it.

Why Chipmakers Led The Rally

When traders stop worrying about a war, they go looking for risk again. Right now, risk means anything tied to AI.

SoftBank is Japan's most valuable company and a huge backer of AI deals, so it tends to swing hardest when the AI mood shifts.

It owns chip designer Arm and runs a giant tech fund. None of these firms sell oil, but they sell the picks and shovels of the AI boom.

That mood was great on Monday, and the buying spread fast:

  • Tokyo Electron rose 7% and Advantest gained nearly 8% in Japan.
  • Samsung added 4.5% and SK Hynix jumped 6.42% in South Korea.
  • TSMC rose 2.81% and Foxconn added 2.69%.

Samsung and SK Hynix both crossed $1 trillion in value just last month. The rally landed on stocks that were already running hot.

SoftBank also recently became the most valuable company in Japan. A good day for AI tends to be a good day for its whole portfolio.

Money managers are also shuffling their bets, said Ecaterina Bigos of BNP Paribas Asset Management. But they still want to stay in the AI race.

The read is simple: investors sat on cash during the fighting, and the deal gave them a reason to buy.

Every morning, Market Briefs breaks down what moves like this mean for your money. It takes five minutes, and you get a free investing masterclass when you join.

What's Actually In The Deal

Pakistan's Prime Minister Shehbaz Sharif said Sunday that both sides agreed to stop all fighting. His country acted as the go-between.

That deal is set to be signed Friday, June 19 in Switzerland.

President Trump posted on Truth Social that the deal is "complete." He said the Strait of Hormuz will reopen with no toll, and the U.S. will lift its naval blockade.

"Let the oil flow," he wrote.

The strait is the narrow lane that carries a big slice of the world's oil. Roughly a fifth of the world's supply normally moves through it.

Reopening it is the part markets care about most. Lower oil should mean cheaper gas at the pump, and it tends to cool inflation too.

Cheaper energy also lowers costs for airlines, shippers, and factories.

What To Watch

The deal isn't signed yet, and talks like these have fallen apart before. Pakistan brokered it, and says both sides want it done.

Friday is the date that turns two headlines into a real deal. For now, SoftBank's 10% pop says investors aren't waiting for the ink to dry.

If you want this kind of read every morning, join the 350,000+ investors reading Market Briefs. You also get a free 45-minute investing course thrown in.

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