Rama Steel Tubes (RSTL) shares rose over 2.5% to an intraday high but fell more than 4% within 30 minutes. The company announced plans to acquire UAE’s Automech Group for AED 296 million (≈ ₹728 crore). As of 10:13 am, the stock traded at ₹10.65, down 3.27%, though it has gained over 8% this week.