Why is Simm. Marshall falling/rising?

As of 12-Aug, Simmonds Marshall Ltd's stock price is currently at 135.00, reflecting an increase of 5.05 or 3.89%. The stock has shown positive momentum recently, gaining for the last two days with a total return of 6.01% during this period. Additionally, it outperformed its sector by 2.23% today. The stock reached an intraday high of Rs 147.55, indicating significant upward movement, although it has experienced high volatility with an intraday fluctuation of 7.05%. In terms of longer-term performance, the stock has increased by 54.29% over the past year, significantly outperforming the Sensex, which only rose by 0.74%. However, it has faced challenges in the short term, with a decline of 6.96% over the past month.
In the broader market context, while Simmonds Marshall has struggled in the short term, its recent gains contrast with the Sensex, which has only decreased by 2.75% over the same one-month period. This suggests that the stock's recent rise may be driven by specific factors related to the company rather than broader market trends. The stock's performance over the last three and five years has been particularly strong, with returns of 147.03% and 267.35%, respectively, indicating a solid long-term growth trajectory. Despite the recent short-term declines, the rising investor participation and liquidity suggest a positive outlook for the stock moving forward.