Sterlite Technologies Ltd (STL) surged 10% to ₹118 from ₹107.30, with volume spiking 3 times. Shares trade between 52-week low ₹53.90 & high ₹140.30. STL’s US subsidiary launched Celesta IBR Cable, the slimmest 864-fibre optic cable (11.7mm), optimised for data centres, enabling rapid installation & high-capacity, low-latency networks.