Why is Boston Bio falling/rising?

As of 25-Sep, Boston Bio Systems Ltd is currently priced at 8.40, reflecting an increase of 0.07 or 0.84%. The stock has been on a positive trajectory, gaining for the last three days with a total return of 9.38% during this period. However, it has underperformed its sector by 1.54% today. In terms of benchmark performance, the stock has shown a weekly return of +0.60% compared to the Sensex's decline of -2.23%, and a monthly return of +2.44% against the Sensex's -0.58%. Notably, the stock's delivery volume has decreased significantly, falling by 53.15% against the 5-day average, indicating a drop in investor participation, which could be a concern for future price movements.
Broader Market Context: The broader market context shows that the Medical Equipment/Supplies/Accessories sector has gained by 2.4%, which may provide a supportive backdrop for Boston Bio's recent gains. Despite this, the stock's performance relative to the benchmark indicates that while it has outperformed the Sensex in the short term, the overall market sentiment appears to be cautious, as evidenced by the declining delivery volumes and the stock's lower performance compared to its sector. This mixed performance suggests that while Boston Bio is currently rising, there are underlying factors that could impact its momentum moving forward.