Why is Sandu Pharma. falling/rising?

As of 15-Sep, Sandu Pharmaceuticals Ltd is currently priced at 47.14, reflecting an increase of 0.38 or 0.81%. Despite this positive movement today, the stock has shown a decline in the short term, with a 1-week return of -0.44% and a 1-month return of -2.54%. The stock is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a bearish trend. However, there has been a notable increase in investor participation, with delivery volume rising by 73.73% against the 5-day average, which may suggest growing interest despite the overall downward trend. Unfortunately, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, Sandu Pharmaceuticals has underperformed compared to the Sensex, which has gained 1.24% over the past week. This contrast highlights the challenges faced by the stock, particularly given its year-to-date decline of 17.67% compared to the Sensex's increase of 4.67%. The stock's longer-term performance also shows significant underperformance over 1 year and 3 years, with declines of 26.00% and 33.51%, respectively, while the Sensex has remained relatively stable. This broader market context suggests that while there may be short-term gains, the stock is struggling to keep pace with market benchmarks, indicating potential concerns among investors.