LONDON (Reuters) - Oil futures fell on Thursday after a surprise increase in U.S. crude stocks offset hopes of demand recovery as coronavirus lockdowns are eased. After tumbling on Wednesday, Brent crude futures were down 0.3%, or 10 cents, at $34.64 a barrel at 1235 GMT after dropping by more than $1 to $33.62 in early trade. U.S. West Texas Intermediate (WTI) crude futures were down 1.2%, or 38 cents, at $32.43. The U.S. futures earlier slipped as much as 5% to a low of $31.14. "All in all..