Oil prices edge lower ahead of U.S. stockpile numbers

TOKYO (Reuters) - Oil prices slipped on Tuesday as investors awaited U.S. crude inventory data for a pointer on oil demand trends, while concerns about slower economic growth overshadowed signs of a thawing in the trade war between Washington and Beijing.Brent futures were down 6 cents at $61.51 a barrel by 0311 GMT, having fallen 0.7% on Monday. U.S. West Texas Intermediate (WTI) crude was down 12 cents at $55.69, after falling 1.5% in the previous session.Prices rose sharply last week amid a..