By David Gaffen NEW YORK (Reuters) – Oil prices edged up on Wednesday after OPEC+ stuck to planned moderate output increases despite pressure from top consumers to raise output more quickly. Brent crude ended settling up 31 cents to $89.47 a barrel, while U.S. West Texas Intermediate crude gained 6 cents to $88.26 a barrel. Global benchmark Brent has remained within striking distance of $90 for several days now, buoyed by ongoing concerns about tight supply across major world producers and steadily increasing demand. On Friday, both benchmarks hit their highest since October 2014, with Brent t…