AI boom hands HFCL investors nearly 200% returns in just 6 months. Overheated or undervalued?

HFCL's stock has rallied nearly 200% in six months, driven by the AI and data centre boom. The company posted a sharp earnings turnaround in FY26, with consolidated revenue nearly doubling year-on-year to about Rs 4,949 crore and PAT of approximately Rs 329 crore, swinging from a loss the previous year. The optical fibre cable manufacturer has secured a major international contract worth around Rs 10,159 crore and its order book stands at a record Rs 21,200 crore, with management guiding for 20-25% revenue growth in FY27.