Why is T N Petro Prod. falling/rising?

As of 09-Sep, Tamil Nadu Petro Products Ltd is experiencing a decline in its stock price, currently at 103.25, which reflects a decrease of 0.7 or 0.67%. The stock's performance today is inline with its sector, but it is noteworthy that the delivery volume has fallen significantly by 50.45% compared to the 5-day average, indicating a drop in investor participation. Despite this decline, the stock has shown positive performance over the past month with a return of 7.02% and a year-to-date increase of 27.72%. The company has reported strong financial results, including a higher profit after tax and record net sales, which may support its valuation despite the current price drop. Additionally, institutional investors have increased their stake, suggesting confidence in the company's fundamentals. In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has gained 1.18% over the past week while Tamil Nadu Petro Products Ltd has declined by 2.46%. This underperformance in the short term may be attributed to the falling investor participation and liquidity concerns, as the stock's trading volume has decreased. However, it is important to note that the stock has outperformed the broader market over the past year, generating a return of 7.48% compared to the Sensex's negative return of 0.56%. This indicates that while the stock is currently facing downward pressure, its longer-term performance remains strong relative to market trends.