Why is Gabriel India falling/rising?

As of 18-Aug, Gabriel India Ltd is experiencing a price increase, currently at 1,146.70, reflecting a rise of 76.55 or 7.15%. The stock has recently hit a new 52-week and all-time high of Rs. 1177.95, showcasing strong performance with an intraday high increase of 10.07%. Over the past week, the stock has outperformed the sector by 3.85% and has shown impressive returns, with a year-to-date increase of 140.90% and a one-year return of 135.29%. The company benefits from strong long-term fundamentals, including a healthy average return on equity of 20.70% and a low debt-to-equity ratio, which supports its valuation despite being considered expensive with a price-to-book value of 13.9. Additionally, high institutional holdings at 21% indicate confidence from knowledgeable investors.
In the broader market context, Gabriel India's short-term performance significantly exceeds that of the benchmark, with a one-week return of 13.65% compared to the Sensex's 0.83%. This stark contrast highlights the stock's strong momentum relative to the market. However, there are concerns regarding falling investor participation, as evidenced by a 49.22% drop in delivery volume against the five-day average, which could indicate potential volatility. Despite this, the overall positive sentiment surrounding the company's fundamentals and consistent returns over the past three years contribute to its rising stock price.