商品日报（5月22日）：矿端扰动锰硅大涨 突发利空油价跳水

Group 1 - The core viewpoint of the articles highlights the fluctuations in commodity prices, with manganese silicon leading the gains due to concerns over supply disruptions from South Africa's new mineral strategy [2][4] - Manganese silicon prices increased by 3.84%, driven by market fears regarding potential impacts on import volumes and costs due to South Africa's approval of a key mineral strategy [2] - Carbonate lithium saw a rise of 1.67%, but the overall market sentiment remains weak, with production cuts anticipated from a major lithium producer [3] Group 2 - The international oil prices dropped significantly due to discussions among OPEC+ members about a potential large-scale production increase, which could add 411,000 barrels per day starting in July [4] - Other commodities such as焦煤 (coking coal),棕榈油 (palm oil), and甲醇 (methanol) also experienced declines of over 1% [5] - The overall commodity futures price index showed a slight decline, indicating a mixed market sentiment [1][7]