Why is Bharat Immunolog falling/rising?

As of 15-Sep, Bharat Immunological & Biological Corporation Ltd is experiencing a slight decline in its stock price, currently at 21.97, reflecting a decrease of 0.03 or 0.14%. The stock has been underperforming recently, having fallen consecutively for the last two days with a total return of -0.95%. It is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a bearish trend. Additionally, there has been a significant drop in investor participation, with delivery volume falling by 75.83% compared to the 5-day average, which suggests a lack of confidence among investors. Unfortunately, there is no information available regarding positive or negative factors that could influence the stock's performance.
In the broader market context, Bharat Immunological's performance over the past week shows a decline of 0.45%, while the benchmark Sensex has increased by 1.24%. This trend of underperformance is consistent over longer periods, with the stock down 7.65% year-to-date compared to the Sensex's gain of 4.67%. The stark contrast in returns over various time frames, including a 24.76% decline over the past year against a slight drop of 1.33% for the Sensex, highlights the stock's struggle in a generally positive market environment.