Why is SML ISUZU falling/rising?

As of 24-Sep, SML ISUZU Ltd's stock price is currently at Rs 3,348.50, reflecting a decrease of Rs 69.05 or 2.02%. The stock has been underperforming, having fallen for the last three consecutive days, resulting in a total decline of 10.31% during this period. Today's trading saw the stock touch an intraday low of Rs 3,346.45, and it has been trading with higher volumes closer to this low price. Despite these short-term challenges, the company has shown healthy long-term growth, with net sales increasing at an annual rate of 28.56% and operating profit at 32.21%. Institutional investors have also increased their stake, indicating confidence in the company's fundamentals.
Broader market context shows that SML ISUZU's recent performance has significantly lagged behind the benchmark, with a 1-week return of -11.24% compared to the Sensex's -1.18%. This stark contrast highlights the stock's struggles in the short term, despite its impressive year-to-date return of 138.06% and consistent outperformance over the past three years. The broader market has been relatively stable, which may further emphasize the stock's recent volatility and decline.