New York — The S&P 500 stock index hit a four-month high on Tuesday, boosted by higher oil prices and strong earnings, while the dollar rose against the safe-haven yen as investors bought riskier assets. World share markets remained near three-week highs, supported by optimism about US company earnings and the notion that global economic growth can withstand trade tensions. "The first major earnings report came out, and PepsiCo’s earnings beat expectations and that’s a good start for the market," said Peter Cardillo, chief market economist at Spartan Capital Securities in New York. Energy shares were also lifted by oil prices, which rose due to growing supply outages as Norway shut one oil field amid a worker strike and Libya said production fell by more than half in recent months. Brent crude — up almost 20% this year — was last at $78.71, up 0.82% on the day. US crude rose 0.22% to $74.01 a barrel. The Dow Jones Industrial Average rose 128.19 points, or 0.52%, to 24,904.78; the S&...

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