Why is Marine Electric. falling/rising?

As of 17-Jul, Marine Electricals (India) Ltd is experiencing a decline in its stock price, currently at 193.24, which reflects a decrease of 6.21 points or 3.11%. The stock has underperformed its sector today by 3.55%, and its performance over the past week shows a decline of 5.24%. In the last month, the stock has dropped by 12.11%, and year-to-date, it has fallen by 26.65%. Despite a strong long-term growth potential indicated by a 32.18% annual growth rate in net sales and a significant increase in net profit of 181.91%, the stock is facing challenges due to an expensive valuation with a Price to Book Value of 6.6 and a relatively low return on equity of 9.5. Additionally, institutional investors have reduced their stake by 0.8%, signaling a lack of confidence in the stock's performance.
Broader market context shows that while the Sensex has gained 6.20% year-to-date, Marine Electricals has significantly underperformed, with a negative return of 26.65%. The stock's performance over the past year has been particularly poor, generating a return of -23.22% compared to a slight positive return of 0.26% for the broader market (BSE500). This underperformance, coupled with a decline in institutional participation, suggests that the market sentiment towards Marine Electricals is currently negative, contributing to its falling stock price.