Why is Dr Lalchand. Lab falling/rising?

As of 22-Sep, Dr Lalchandani Labs Ltd's stock price is currently at 23.90, reflecting an increase of 0.89 or 3.87%. The stock has shown a trend reversal, gaining after 13 consecutive days of decline. Despite this positive movement today, the stock has underperformed in the short term, with a 1-week return of -8.01%. However, over the past month, it has increased by 4.18%, and year-to-date, it has risen significantly by 41.42%. The stock's performance today has outpaced its sector by 4.3%. Notably, there has been a substantial drop in investor participation, with delivery volume falling by 89.8% against the 5-day average, indicating a potential concern regarding liquidity and investor confidence.
Broader market context shows that while Dr Lalchandani Labs Ltd has experienced a positive return over the past month and year-to-date, it has lagged behind the benchmark Sensex in the short term, which has gained 0.46% over the past week. The stock's longer-term performance, however, remains strong, with a 5-year return of 134.31% compared to the Sensex's 117.73%. This suggests that while the stock is currently experiencing a rebound, its recent volatility and declining investor participation may be contributing factors to its fluctuating performance relative to the broader market.