U.S. equity markets opened higher on Wednesday, driven by energy shares that got a boost from higher oil prices in the wake of plans to renew economic sanctions on Iran. President Donald Trump on Tuesday announced his plans to withdraw from the Iran nuclear deal and reimpose harsh sanctions on one of the largest oil producers in the world. The Dow Jones Industrial Average rose 59 points, or 0.2%, to 24,413. The S&P 500 index advanced 6 points, or 0.2% to 2,6797. The S&P 500 energy sector rose 1.7%. Meanwhile the Nasdaq Composite was up 8 points, or 0.1% to 7,274 at the open. Among the best performers on the S&P 500, TripAdvisor Inc shares soared 18% after the company announced earnings above Wall Street analysts' estimates.