Tube Investments of India shares surged on Tuesday despite the company reporting a 5% year-on-year decline in Q1FY27 profit to ₹158.62 crore. Revenue rose 17.7% to ₹2,227.63 crore. Motilal Oswal retained its Buy rating with a ₹3,379 target, citing strong core business performance, 17% engineering volume growth and double-digit export growth.