Stocks tumble as US-Iran impasse fuels inflation fears

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- Brent crude rose more than three percent to $109.26 a barrel on May 15.
- S&P 500 and the Nasdaq Composite slipped from fresh all‑time highs, while the Dow Jones Industrial Average dropped about one percent.
- United Kingdom 30‑year government bond yield hit 5.869 %, the highest level since 1998.
- Japan 30‑year bond rate rose to 4 %, a level not seen since 1999.
- Donald Trump and Chinese leader Xi Jinping concluded a Beijing summit without major breakthroughs on the Middle East war or trade, though they agreed the Strait of Hormuz must stay open.
Why it matters: Investors lose as equities dip and bond yields spike; oil‑price surge pushes energy costs higher, prompting governments like the UK to consider consumer support measures to curb inflation.