LONDON (Reuters) - Oil prices rose on Friday on signs of progress in U.S.-China trade talks and a surprise bounce in Chinese manufacturing activity.Brent crude was up 25 cents at $59.87 a barrel by 1153 GMT, but remained on course for a drop of about 3.4% for the week.West Texas Intermediate crude rose 31 cents to $54.49 a barrel, which would leave it with a weekly loss of more than 3.8%.A Reuters survey showed that oil prices are expected to remain under pressure this year and next. The poll..