Why is SML ISUZU falling/rising?

As of 21-Aug, SML ISUZU Ltd's stock price is rising, currently at Rs 4,407.65, reflecting an increase of 204.2 points or 4.86%. The stock has recently hit a new 52-week and all-time high of Rs 4,413.6 and has shown strong performance today, outperforming its sector by 4.18%. Over the last two days, the stock has gained 10.25%, and it is trading above all key moving averages, indicating a bullish trend. Additionally, the company has demonstrated 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, which suggests growing confidence in the company's fundamentals.
In the broader market context, SML ISUZU's short-term return of 1.87% over the past week outpaces the Sensex's return of 1.74%. The stock has significantly outperformed the benchmark over longer periods as well, with a year-to-date return of 213.35% compared to the Sensex's 4.94%. Despite a recent decline in delivery volume, which fell by 32.42% against the 5-day average, the overall positive sentiment from institutional investment and consistent returns over the last three years contribute to the stock's upward movement.