Why is SML ISUZU falling/rising?

As of 08-Sep, SML ISUZU Ltd's stock price is currently at Rs 3,708.80, reflecting a decrease of Rs 72.2 or 1.91%. The stock has been underperforming, having fallen for the last three days, resulting in a total decline of 6.2% during this period. Today's trading saw the stock reach a high of Rs 3,924.95 but also dip to a low of Rs 3,671. The stock's performance over the past week shows a decline of 9.20%, while it has still managed to achieve a remarkable year-to-date return of 163.67%. Despite healthy long-term growth indicators, such as a 28.56% annual increase in net sales and a 32.21% rise in operating profit, the recent price movement suggests a struggle against market pressures, including a decrease in investor participation and a recent underperformance relative to its sector.
Broader Market Context: In comparison to the benchmark Sensex, which has gained 0.53% over the past week, SML ISUZU's short-term performance has been notably weaker. The stock's recent decline contrasts sharply with the broader market's stability, indicating specific challenges faced by the company despite its strong long-term growth metrics and increasing institutional investor participation. The overall market context suggests that while SML ISUZU has shown impressive returns over longer periods, its current struggles may be attributed to short-term volatility and sector-specific dynamics.