Why is Britannia Inds. falling/rising?

As of 17-Sep, Britannia Industries Ltd's stock price is currently at Rs 6,097.50, reflecting a decrease of Rs 120.5, or 1.94%. The stock has underperformed its sector today by 1.61%, having touched an intraday low of Rs 6,037, which represents a decline of 2.91%. Over the past week, the stock has decreased by 1.46%, while it has shown a strong performance over the past month with a gain of 14.91%. Despite this recent decline, the company maintains a high management efficiency with a return on capital employed (ROCE) of 61.43%, a low debt to EBITDA ratio of 0.24, and significant institutional holdings at 34.25%, indicating robust fundamentals that support its long-term value.
Broader market context reveals that while Britannia's stock has faced short-term challenges, the benchmark Sensex has increased by 1.56% over the past week. This suggests that the broader market is performing well, contrasting with Britannia's recent decline. The stock's year-to-date performance remains strong at 27.92%, significantly outpacing the Sensex's 5.83% increase, indicating that despite the current dip, the stock has been resilient over a longer timeframe. The rising investor participation, evidenced by a 19.77% increase in delivery volume, may also suggest that there is still interest in the stock, potentially stabilizing its price in the future.