Why is Britannia Inds. falling/rising?

As of 18-Sep, Britannia Industries Ltd is experiencing a decline in its stock price, currently at 6,080.15, reflecting a decrease of 17.35 points or 0.28%. The stock has underperformed its sector by 0.67% today and has been on a consecutive downward trend for the last two days, resulting in a total decline of 2.22% during this period. Despite a strong year-to-date return of 27.55% and a solid performance over the past three years with a gain of 67.18%, the stock has recently faced challenges, including a 3.27% drop over the past week. However, it maintains a high management efficiency with a return on capital employed (ROCE) of 61.43% and a low debt to EBITDA ratio of 0.24, indicating a strong ability to service debt.
In the broader market context, the Sensex has increased by 1.80% over the past week, contrasting with Britannia's decline, which suggests that the stock is not keeping pace with the overall market performance. While the stock's liquidity remains adequate, with a delivery volume increase of 86.68% against the five-day average, the recent underperformance may be attributed to market sentiment and investor behavior rather than fundamental weaknesses. The high institutional holdings at 34.25% indicate that informed investors are backing the company, which could provide some stability despite the current price drop.