India, July 13 -- Optical fibre is important to the digital economy because telecom networks, home broadband, 5G and data centres all need faster connections. Artificial intelligence has made the opportunity larger, as GPU-heavy data centres require more fibre than traditional computing facilities. However, a strong industry opportunity does not automatically make every stock attractive when expectations and valuations rise much faster than profits.

The stock in focus is Sterlite Technologies Ltd, which is trading in the Rs. 520-550 range. The shares are down around 22 percent from their early June 2026 high of Rs. 679.90. At the peak, the stock had delivered returns of 563.3 percent in five months, while it is still up more than 400 per...