Why is Simm. Marshall falling/rising?

As of 17-Sep, Simmonds Marshall Ltd is experiencing a decline in its stock price, currently at 150.00, reflecting a decrease of 2.45 or 1.61%. Today's performance indicates that the stock has underperformed its sector by 1.75%, following a trend reversal after two consecutive days of gains. Although the stock opened with a gain of 2.26% and reached an intraday high of Rs 156, it has shown a decrease in investor participation, with delivery volume falling by 12.74% compared to the 5-day average. Despite this recent decline, the company has reported positive results for the last ten consecutive quarters, with a significant growth in profits and an attractive valuation compared to its peers, which may support its long-term performance.
In the broader market context, Simmonds Marshall's short-term return over the past week is down by 3.75%, contrasting with the Sensex, which has gained 1.56% during the same period. While the stock has generated an 11.19% return over the past year, outperforming the Sensex's decline of 0.46%, the recent underperformance may be attributed to market dynamics and reduced trading activity. Overall, the stock's long-term performance remains strong, having outperformed the BSE500 over various time frames, but the current short-term decline suggests a need for cautious observation amidst fluctuating investor interest.