In the pre-opening session, metals rose by 0.50%, power gained 0.37% and auto rose by 0.28%. Meanwhile: 📌Rajratan Global Wire Ltd, an S&P BSE company, surged 5.06 per cent to trade at Rs 664.85 apiece. 📌Som Distilleries & Breweries Ltd rallied 4.87 per cent to trade at Rs 354.45 apiece. 📌Tech Mahindra Ltd, an S&P BSE company, climbed 4.64 per cent to trade at Rs 1245.30 apiece.