Penny stocks are often seen as the riskiest corner of the market, associated with low liquidity, sharp volatility and speculative trading. But over the last five years, a handful of forgotten microcaps have delivered extraordinary wealth creation. Data compiled by ETMarkets shows several stocks that traded below Rs 20 in May 2021 have now become Rs 3,000 crore to Rs 12,000 crore companies, powered by themes such as defence, renewables, railways and infrastructure.
Shares of KPI Green Energy climbed from Rs 6.72 to Rs 455.85 in five years, translating into gains of nearly 6,700%. Its market capitalisation surged from Rs 109 crore to nearly Rs 9,000 crore, reflecting investor appetite for renewable energy developers.
Defence electronics player Apollo Micro Systems moved from Rs 10.68 in 2021 to Rs 308.30 in 2026, generating nearly 29 times returns. Its market cap rose from Rs 222 crore to more than Rs 11,000 crore, supported by strong domestic defence procurement.
Defence communications company Avantel traded at Rs 6.67 in May 2021 and now trades around Rs 151.35. The stock delivered over 22 times returns, while its market cap grew from Rs 171 crore to more than Rs 4,000 crore.
Punjab-based real estate developer AGI Infra climbed from Rs 7.16 to Rs 367.10 during the period. Its market value expanded from Rs 87 crore to Rs 4,589 crore, as the company benefited from housing demand and project execution.
Power equipment maker Transformers and Rectifiers India rose from Rs 10.48 to Rs 322.45 in five years. Its market capitalisation jumped from Rs 278 crore to Rs 9,679 crore, driven by transmission capex and grid expansion.
Lloyds Engineering Works traded at just Rs 1.45 in May 2021. Today, the stock changes hands near Rs 59.66, generating over 40 times returns, while its market cap expanded from Rs 154 crore to Rs 8,830 crore.
Marine infrastructure company Knowledge Marine and Engineering Works surged from Rs 18.50 to Rs 2,206.85 over five years. Its market capitalisation grew from Rs 38 crore to Rs 5,394 crore, reflecting strong execution in port and dredging contracts.
Curated by Emma Watson
