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How a Day Trader Cashed In on the Trump-Kim Summit Collapse

  • Volatility, volume surges for peace stocks on North Korea news
  • Retail investors lapped up Hyundai Rotem shares in past year
US President Donald Trump poses with North Korea's leader Kim Jong Un before a meeting at the Sofitel Legend Metropole hotel in Hanoi on February 27.

US President Donald Trump poses with North Korea's leader Kim Jong Un before a meeting at the Sofitel Legend Metropole hotel in Hanoi on February 27.

Photographer: Saul Loeb/AFP via Getty Images

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For Jung Jae-hoon, a 37-year-old day trader in South Korea, the botched Trump-Kim summit was a success: The volatility that rattled the market helped him earn a nice profit.

Minutes before the market closed on Feb. 28, so-called peace stocks -- a group of companies that stand to benefit from increased economic ties with North Korea -- started to plunge on bets that U.S. President Donald Trump and Kim Jong Un would fail to reach an agreement at their Hanoi summit.