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A journey worth crores at the cost of pennies! These 10 penny stocks gave returns of up to 2,00,000%
Sanjeev Kumar | May 10, 2026 1:23 AM CST

penny stocks

Penny stocks are considered the riskiest part of the stock market. In these, liquidity is low, fluctuations are high and speculation is often seen. But in the last five years, some small and ignored stocks have given tremendous returns to investors. According to ETMarkets data, many stocks priced below Rs 20 in May 2021 have today become companies worth Rs 3,000 crore to Rs 12,000 crore. Sectors like defence, renewable energy, railways and infrastructure boosted the growth of these companies.

Diamond Power Infrastructure

In May 2021, the shares of this company were trading at only 7 paise. After five years its price reached around Rs 167. That means a jump of about 2,39,000%. During the same period, the market cap of the company increased from Rs 18.9 crore to Rs 8,819 crore.

Waari Renewable Technologies

In May 2021, this share was at Rs 13.93, which has now reached above Rs 1,000. The company gave more than 70 times returns to investors. Due to the boom in the solar sector, its market value increased from Rs 145 crore to more than Rs 10,600 crore.

KPI Green Energy

KPI Green Energy's shares increased from Rs 6.72 to Rs 455.85 in five years. That means an increase of about 6,700%. The market cap of the company increased from Rs 109 crore to about Rs 9,000 crore.

Apollo Micro Systems

This company of defense electronics sector was at Rs 10.68 in 2021, which reached Rs 308.30 in 2026. Investors got about 29 times return. Due to increase in domestic defense purchases, the market cap of the company increased from Rs 222 crore to more than Rs 11,000 crore.

Jupiter Wagons

This company manufacturing railway equipment increased from Rs 16.65 to Rs 296.70 in five years. The share gave returns of about 18 times. Due to increasing expenditure on railway infrastructure, the market cap of the company increased from Rs 149 crore to Rs 12,680 crore.

Avantel

The share of defense communication company Avantel was at Rs 6.67 in May 2021, which has now reached around Rs 151.35. That means investors got more than 22 times return. The market cap of the company increased from Rs 171 crore to more than Rs 4,000 crore.

AGI Infra

Shares of Punjab's real estate company AGI Infra increased from Rs 7.16 to Rs 367.10. The market value of the company increased from Rs 87 crore to Rs 4,589 crore. The company benefited from increased housing demand and faster completion of projects.

Transformers and Rectifiers India

This power equipment manufacturing company increased from Rs 10.48 to Rs 322.45 in five years. Due to transmission and power grid expansion, the market cap of the company increased from Rs 278 crore to Rs 9,679 crore.

Lloyds Engineering Works

In May 2021, the share of this company was only Rs 1.45. Today its price is around Rs 59.66. That means investors got more than 40 times returns. The market cap of the company increased from Rs 154 crore to Rs 8,830 crore.

Knowledge Marine & Engineering Works

This company of marine infrastructure sector increased from Rs 18.50 to Rs 2,206.85 in five years. The market cap of the company increased from Rs 38 crore to Rs 5,394 crore. The company got big benefits from strong performance in port and dredging projects.

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