Brent crude oil retreated 0.29% to US$55.3 per barrel Monday (Jan 22), but the commodity gained 81.12% year-on-year. Natural rubber inched up 0.07% to 287 yen/Kg in Tokyo, but the commodity already gained 78% year-on-year. Thermal coal also inched up 0.34% to US$83.8, but gained 60% year-on-year.To subscribe please click here