Steel Dynamics shares surged after the company issued strong third-quarter earnings guidance, projecting earnings of 2.60 to 2.64 per share, surpassing estimates from the previous year and last quarter. The outlook reflects increased profitability from steel operations due to higher shipments and better metal spreads, while scrap costs are expected to decline. Earnings from metals recycling are also expected to improve, supported by steady shipments and robust demand across sectors like manufacturing and healthcare. The company repurchased 185 million dollars in stock, indicating strong confidence.