广期所铂主力合约大跌7%

Group 1 - The core point of the article is that the main platinum futures contract on the Shanghai Futures Exchange experienced a significant decline of 7%, closing at 664.05 yuan per gram [1] Group 2 - The drop in platinum prices may indicate broader market trends affecting precious metals [1] - This decline could impact investor sentiment and trading strategies within the commodities market [1] - The current price level may present potential investment opportunities for market participants looking to capitalize on price fluctuations [1]