The underperformance is due to demand concerns from China, leading to lower metal prices. In Hindalco, investors lost 30 per cent. While most steel majors are hit due to soft domestic demand and weak prices, Steel Authority of India has been hit more versus Tata Steel or JSW. Among mining majors, there is pressure on Coal India on account of lower demand and weak pricing, with investor sentiment getting hit further by the government's plan to sell stake in the company. Capital goods companies have been underperforming on weaker June quarter earnings.The US central bank's decision on interest rates, actions by China and India's call on rates will affect stocks.