The benchmark all-share index ended down 0.35pc to end the week at 66,324 points, while the all blue-chip index of top 40 companies closed the day down 0.3pc to 60,293 points.
Spot gold rose 0.3pc to $1,781.77 per ounce by 12:48 pm EDT (1648 GMT), after jumping to $1,794.86, its highest level since June 18. U.S. gold futures gained 0.4pc to $1,782.90.
Copper hit a record peak of $10,747.50 last month, fuelled by optimism over global economic recovery and new demand from an expected green revolution including the shift to electric vehicles.
U.S. crude futures were on track for a gain of nearly 9pc for the week, the biggest percentage gain since October. Brent was on track for 6pc weekly gain.