Shares of Cochin Shipyard hit a 5% upper circuit on Friday to close at ₹1,532.1. This comes after Adani Ports and Special Economic Zone ordered eight harbour tugs from a Cochin Shipyard subsidiary. The estimated value of the order is around ₹450 crore. Adani Ports said the delivery is expected to begin in December 2026 and continue until May 2028.