Why is T N Petro Prod. falling/rising?

As of 11-Aug, Tamil Nadu Petro Products Ltd is experiencing a price increase, currently at Rs 98.50, reflecting a rise of Rs 2.4 or 2.5%. The stock has shown positive momentum, having gained 3.68% over the last two days and outperforming its sector by 1.67% today. Despite a recent decline of 1.45% over the past month, the stock has performed well year-to-date with a return of 21.85%. Additionally, the company has a low debt-to-equity ratio, and there has been an increase in institutional investor participation, with a 1.98% rise in their stake, indicating confidence in the company's fundamentals.
In the broader market context, the stock's short-term performance contrasts with the benchmark Sensex, which has declined by 0.51% over the past week, while Tamil Nadu Petro Products Ltd has gained 1.31%. This relative outperformance suggests that the stock is attracting investor interest despite a generally weak market environment. However, it is worth noting that there has been a significant drop in delivery volume, indicating a potential concern regarding liquidity and investor participation moving forward.