NEW YORK (Reuters) - Oil prices fell on Thursday, retreating from an 8 percent rally in the previous session as Wall Street stocks also fell and the oil market focused on signs of faltering global economic growth and record production of crude.Brent crude futures dropped 4.24 percent, or $2.31, to settle at $52.16 a barrel. U.S. West Texas Intermediate (WTI) crude futures fell $1.61 to settle at $44.61 a barrel, down 3.48 percent."The market is giving back some of its gains from yesterday that..