Oil fell and global stocks rallied as investors priced a lower risk of Middle East supply disruption.

Global markets are trading around the price of geopolitical relief. Oil fell sharply and equities rallied after investors saw a lower probability of a prolonged supply shock tied to the Iran conflict.

AP reported that world shares surged while oil prices slipped more than 4 percent after President Donald Trump claimed a breakthrough in talks to end the Iran war. Brent crude fell to about $86.31 a barrel, while U.S. crude traded near $83.90.

The rally was broad. AP reported strong gains across Asia and Europe, with U.S. futures also pointing higher. The immediate market logic was simple: less risk around the Strait of Hormuz means less pressure on energy prices, inflation expectations and central banks.

Oil has been the key transmission channel from geopolitics to portfolios. When crude rises on supply fears, investors worry about gasoline, freight, corporate margins and the Federal Reserve's room to ease. When crude falls, those pressures loosen, at least temporarily.

The relief trade also helped risk assets because it arrived after a period of crowded positioning in technology and AI-linked shares. Lower oil and lower volatility can give investors room to re-enter equities, especially if they believe the macro shock is fading.

The caution is that diplomatic headlines can reverse quickly. Energy markets are pricing probability, not certainty. A fragile ceasefire, disputed terms or renewed shipping risk could bring the oil premium back before inflation data has time to cool.

For now, the market reaction shows how much of the recent macro anxiety was tied to energy. A few dollars off crude can change the tone across equities, bonds, currencies and central-bank expectations.

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