After falling by about 5% to their lowest level in four months on Thursday, due to global demand concerns, oil prices were little changed today, but are on track for their fourth consecutive week of decline.

At 05:29 GMT, Brent futures rose by 4 cents, or 0.1%, to $77.46 per barrel U.S. West Texas Intermediate (WTI) crude was at $72.95, up 5 cents, or 0.1%. Both have lost about a sixth of their value in the past four weeks. According to Goldman Sachs analysts in a note, “oil prices are down slightly this year despite demand that exceeds our optimistic expectations