India, Oct. 29 -- Most steel leaves the mill as a plain coil, and the real value comes from what is done to it next. Coating steel with zinc, aluminium and paint makes it last longer in the open, which is why it ends up on roofs, ceilings, drywall frames and appliances. Specialist processors buy steel, coat it and sell it on, and their margins depend on product quality, pricing discipline and access to export markets. Capacity matters too, because bigger lines can take bigger orders.

The Nifty 50 was trading at 22,759.85, up 0.27%. Meanwhile, Sensex also fell 0.32% to 73,486.03 on Thursday. Meanwhile, Shares of Manaksia Coated Metals & Industries Ltd. were trading at Rs. 141.46, up 6.72 percent from previous close of Rs. 132.55. The sto...