Why is Shelter Pharma falling/rising?

As of 30-Jun, Shelter Pharma Ltd's stock price is currently at 45.00, reflecting a decrease of 0.45, or 0.99%. The stock has recently underperformed its sector by 1.68% and has experienced a trend reversal, falling after two consecutive days of gains. Despite a notable increase in delivery volume, which rose by 451.72% against the 5-day average, the stock's performance year-to-date shows a decline of 19.34%. In comparison to the benchmark, the stock has outperformed over the past week and month, with returns of 16.88% and 9.49%, respectively, but it remains down 7.84% over the past year. There is no information available regarding positive or negative factors that could further explain the stock's recent movement.
Broader Market Context: The Sensex has shown a positive return of 2.09% over the past week and 2.65% over the past month, indicating a generally favorable market environment. However, Shelter Pharma's significant year-to-date decline contrasts sharply with the Sensex's 7.00% increase, suggesting that while the stock has had short-term gains, it is still struggling to maintain momentum in the longer term. This divergence highlights the challenges Shelter Pharma faces in aligning with broader market trends, contributing to its current price decline.