Why is Vama Industries falling/rising?

As of 20-Jun, Vama Industries Ltd is experiencing a decline in its stock price, currently at 7.78, reflecting a decrease of 0.4 or 4.89%. The stock has underperformed its sector by 7.05% today and has been on a downward trend for the last two days, with an overall return of -8.9% during this period. Despite a strong performance over the past year, where the stock generated a return of 42.23%, recent trading activity indicates a significant drop in investor participation, with delivery volume falling by 72.91% against the five-day average. While the company has reported positive financial results, including a 275% growth in net sales and a return on equity of 9.7, the long-term outlook is clouded by weak operating profit growth and high promoter share pledges, which can exert downward pressure on the stock price.
In the broader market context, Vama Industries has outperformed the benchmark, with a one-week return of 10.20% compared to the Sensex's 1.59%. However, the stock's year-to-date performance shows a decline of 13.17%, contrasting with the Sensex's gain of 5.46%. The recent price drop may be influenced by the overall market sentiment, particularly given the company's weak long-term fundamentals and the high percentage of pledged promoter shares, which can lead to increased volatility in falling markets.