Why is Simm. Marshall falling/rising?

As of 15-Jul, Simmonds Marshall Ltd's stock price is currently at Rs 142.45, reflecting a decline of Rs 4.55 or 3.1%. Today's performance indicates that the stock has underperformed its sector by 3.23%, with an intraday low of Rs 141.2, which is a decrease of 3.95%. Despite a strong performance over the past year, where the stock has generated a return of 49.95%, recent trading activity shows a significant drop in investor participation, with delivery volume falling by 89.54% against the 5-day average. The company has reported positive results for the last nine consecutive quarters, with substantial growth in profit before tax and profit after tax, but the high debt levels and weak long-term growth prospects may be contributing to the current price decline.
In the broader market context, Simmonds Marshall's short-term return of +2.48% over the past week contrasts with the Sensex, which has decreased by 1.36% during the same period. This indicates that while the stock has been performing relatively well compared to the benchmark in the short term, the recent price drop suggests underlying concerns among investors. The company's high debt levels and low profitability per unit of shareholder funds may be overshadowing its otherwise attractive valuation metrics and strong recent performance, leading to a cautious market sentiment.