Nine penny stocks experienced significant surges of 10-21% in just one week, according to The Economic Times. These stocks, which are typically low-priced and considered risky investments, saw impressive gains in a short period of time. This sudden surge in value may have caught the attention of investors looking for high-risk, high-reward opportunities. While penny stocks can be volatile and unpredictable, these particular stocks showed notable growth within a week. Investors should proceed with caution when considering penny stocks, as they can be highly speculative and subject to rapid price fluctuations.