LONDON—Oil prices rose on Friday but are set to fall for a third week amid signs of slowing demand and as market attention turns to a key meeting of OPEC and its allies this month which will determine the group’s next move on production.
Brent crude futures for January were up 84 cents, or 1.1 percent, at $80.85 a barrel at 1109 GMT, while U.S. West Texas Intermediate (WTI) crude futures for December were at $76.52, up 78 cents, or 1 percent.





