Why is Boston Bio falling/rising?

As of 27-Jun, Boston Bio Systems Ltd is experiencing a decline in its stock price, currently at 7.81, which represents a decrease of 0.15 or 1.88%. The stock has been on a downward trend, losing value for the last three days and accumulating a total decline of 5.68% during this period. Additionally, the stock's performance over the past week shows a significant drop of 7.46%, contrasting with a positive return of 2.00% from the Sensex. The stock's trading activity has also been erratic, with a noted decrease in delivery volume by 12.85% compared to the five-day average, indicating falling investor participation. There is no information available regarding positive or negative factors that could influence the stock's recent movement.
In the broader market context, while Boston Bio's short-term performance has been negative, the benchmark Sensex has shown resilience with a 2.00% increase over the same week. This stark contrast highlights the underperformance of Boston Bio relative to the broader market. Furthermore, while the stock has shown a positive return of 9.23% over the past month, it still lags behind the Sensex's 3.07% increase, suggesting that investor sentiment may be shifting away from the stock in the short term despite its recent monthly gains.