Today, the iron ore futures market plunged significantly. The main contract I2501 closed at 746, with a daily decline of 5.99%. Traders were not enthusiastic about shipping out products; steel mills adopted a cautious wait-and-see attitude and mainly purchased based on demand. Today's market trading atmosphere was average. The transaction price of PB fines in Shandong was around 740-745 yuan/ton, a decrease of 30-40 yuan/ton from yesterday; PB in Tangshan area...