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GLOBAL MARKETS-Stocks, dollar steady after U.S.-North Korea summit


* GRAPHIC-World FX rates in 2018: tmsnrt.rs/2egbfVh * Broad world stock index dips slightly * Trump, Kim agree on denuclearization but deal seen symbolic * Focus shifts to Fed, positive U.S. consumer data (Updates with settlement of oil prices) By Nick Brown NEW YORK, June 12 (Reuters) - World stock