Why is Hind. Unilever falling/rising?

As of 19-Sep, Hindustan Unilever Ltd's stock price is currently at 2,558.85, reflecting a decrease of 27.65 points or 1.07%. The stock has underperformed its sector today by 0.48%, despite showing higher performance than the 50-day, 100-day, and 200-day moving averages. Over the past week, the stock has declined by 0.97%, and over the past month, it has fallen by 1.73%. However, it has a positive year-to-date return of 9.91%. The company benefits from high management efficiency, indicated by a return on equity (ROE) of 19.31%, and maintains a low debt-to-equity ratio, which supports its stability. Additionally, high institutional holdings at 26.25% suggest confidence from sophisticated investors, although the stock's recent performance indicates some challenges.
In the broader market context, the Sensex has risen by 0.88% over the past week, contrasting with Hindustan Unilever's decline, which highlights the stock's underperformance relative to the benchmark. The stock's year-over-year performance shows a significant drop of 12.11%, while the Sensex has only decreased by 0.67% in the same period. This disparity suggests that while the overall market has been relatively stable, Hindustan Unilever has faced specific challenges that have affected its stock price negatively. The rising investor participation, indicated by a 49.37% increase in delivery volume, may provide some support, but the overall trend remains downward in the short term.