Rs 1 lakh turned to Rs 21 crore! Do you own these 11 penny stocks that delivered over 10,000% returns?

India’s stock market has produced several extraordinary wealth creators over the past four years, but some of the biggest gains came from the riskiest corner of the market — penny stocks. Data as of May 19 showed at least 11 low-priced stocks delivering returns of more than 10,000% since May 2021, turning tiny investments into massive gains during one of the strongest bull market phases in recent years.

Leading the list was Diamond Power Infrastructure, whose shares surged from just 9 paise on May 19, 2021 to Rs 24.27, delivering returns of more than 210,000%. A Rs 1 lakh investment in the stock four years ago would now be worth over Rs 21 crore based on the gains shown in the data.

The rally came as investors aggressively chased companies linked to India’s power transmission, cables and infrastructure boom amid rising government spending and private capex recovery. Swan Defence and Heavy Industries emerged as another major outperformer. The stock jumped from Rs 2.85 to Rs 210.21 during the period, generating returns of over 65,000%.

The defence sector has witnessed strong investor interest over the last few years following the government’s localisation push and increased defence manufacturing opportunities. Stellant Securities delivered returns of more than 38,000%, while East India Drums and Barrels Manufacturing rose nearly 30,000%.

Other stocks on the list included Nurture Well Industries, Indosolar, Onix Solar Energy, Piramal Finance, City Pulse Multiventures, IMEC Services and Knowledge Marine & Engineering Works. Several of these stocks benefited from broader thematic rallies linked to renewable energy, infrastructure, defence and financial services sectors during the post-pandemic market recovery.

The sharp gains also reflect the huge liquidity-driven rally that swept through small-cap and micro-cap stocks after 2021 as retail participation in Indian equities surged to record levels. Low-priced stocks often attract speculative buying because even small price increases can create the impression of large percentage gains.

However, market experts repeatedly caution that such rallies also carry exceptionally high risks. Unlike large-cap companies with stable earnings, institutional ownership and strong liquidity, penny stocks are often highly volatile, thinly traded and vulnerable to sharp price swings.

In many cases, a limited number of buyers and sellers can significantly influence prices. Retail investors frequently focus only on past returns while ignoring governance quality, liquidity risk and business fundamentals.

A large number of penny stocks that rise sharply during bull markets also witness equally severe declines once momentum weakens. Some companies remain fundamentally weak despite massive rallies in their stock prices.

The risks become even higher in micro-cap stocks where lower public shareholding and limited analyst coverage reduce transparency. In several cases historically, market regulators have also investigated suspected price manipulation and circular trading activities in small-cap and penny stock counters.

Another major concern is liquidity. During strong rallies, investors may find it easy to buy such stocks, but exits can become extremely difficult during market corrections because lower circuits may continue for multiple sessions without buyers.

This creates a situation where investors see sharp mark-to-market losses but are unable to sell holdings. Penny stocks are also far more vulnerable to speculation driven by social media tips, operator activity and unverified narratives compared with fundamentally driven large-cap companies.

Even among the stocks that generated massive returns over the last four years, the sustainability of gains remains uncertain and heavily dependent on underlying business performance.

The broader market backdrop also played an important role. India’s equity market witnessed one of its strongest post-pandemic bull runs between 2021 and 2025, driven by strong domestic inflows, record retail participation, robust SIP investments and optimism around infrastructure, manufacturing and energy transition themes.

That environment sharply boosted risk appetite across small-cap and speculative counters. Still, wealth creation stories from penny stocks remain relatively rare compared with the large number of such stocks that either remain illiquid or eventually collapse after speculative rallies fade.

Market experts therefore advise investors to treat penny stocks as extremely high-risk investments rather than easy shortcuts to wealth creation.

(Disclaimer: Recommendations, suggestions, views and opinions given by the experts are their own. These do not represent the views of Economic Times)