[SMM Weekly Review: Oxide Prices Fluctuate Upward as Low-Priced Supply Tightens in the Market] Currently, lanthanum oxide prices remain stable at 4,200-4,600 yuan/mt, while cerium oxide prices continued to increase this week to 12,000-13,000 yuan/mt. Throughout the week, rare earth oxide prices fluctuated upward overall. Supported by procurement from leading manufacturers and firm quotations from separation plants, the purchasing activity of metal plants increased, leading to a tightening of low-priced supply in the market and an upward adjustment in the actual transaction prices of rare earth oxides. Yttrium oxide prices also continued to rise this week to 55,000-57,000 yuan/mt.