Oil surged on Wednesday, posting its strongest daily gain in more than two years in a partial rebound from steep losses that pushed crude benchmarks to lows not seen since 2017. Both U.S. and Brent crude rose about 8 percent, their largest one-day increase since Nov. 30, 2016, when OPEC signed a landmark agreement to cut production. It was unclear whether follow-through buying would push prices higher again once trading desks are more fully staffed after the new year begins. Crude has been caught up in wider market weakness as the U.S. government shutdown, higher U.S. interest rates and the U.S.-China trade dispute unnerved investors and exacerbated worries over global growth. “The market is still really concerned about demand,” said Bernadette Johnson, vice president in market […]