Why is Gabriel India falling/rising?

As of 26-Aug, Gabriel India Ltd's stock price is currently at 1,119.35, reflecting a decrease of 16.85 points or 1.48%. The stock has been underperforming recently, having fallen for three consecutive days, resulting in a total decline of 6.69% during this period. Today's performance indicates that it underperformed its sector by 0.67%. Despite a strong long-term fundamental strength characterized by an average Return on Equity (ROE) of 20.70% and healthy growth in operating profit, the stock's recent movement is negatively impacted by a flat performance in June and an expensive valuation with a Price to Book Value of 13.6. Additionally, a significant drop in delivery volume by 27.67% against the 5-day average suggests falling investor participation, which may contribute to the stock's decline.
In the broader market context, Gabriel India's short-term performance over the past week shows a decline of 4.68%, while the benchmark Sensex has only decreased by 1.05%. This indicates that the stock is not only underperforming its sector but also lagging behind the overall market. However, the stock has shown impressive returns over longer periods, with a year-to-date increase of 135.16% compared to the Sensex's 3.39%. Despite the recent downturn, the company maintains high institutional holdings at 21%, which reflects confidence from more sophisticated investors, although the recent price movements may raise concerns about its valuation and growth sustainability.