Oil prices fell on Thursday after official data showed U.S. crude and gasoline stockpiles rose sharply, although signs that OPEC and other producers are holding the line on output cuts are helping support prices. Brent crude futures fell 24 cents, or 0.4 percent, to $56.56 a barrel as of 0146 GMT (08:46 p.m. ET) after settling up $1.22 in the previous session. Front month futures for West Texas Intermediate were down 28 cents, or 0.5 percent, at $53.60 after climbing $1.07 at the day before. U.S. crude stocks grew last week by an unexpected 6.5 million barrels to 494.76 million barrels, the Energy Information Administration said on Wednesday, as refiners let stocks build further in a seasonally […]