Why is De Neers Tools falling/rising?

As of 10-Jul, De Neers Tools Ltd is experiencing a slight increase in its stock price, currently at 312.00, with a change of 0.15 (0.05%) up. The stock has outperformed its sector by 1.09% today, indicating a positive movement relative to its peers. Despite a recent decline of 6.87% over the past week and 12.30% over the past month, the stock has shown a significant increase of 50.29% over the past year. The delivery volume has also risen by 27.05% against the 5-day average, suggesting increased investor participation. However, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, while De Neers Tools has faced short-term challenges with negative returns over the past week and month, the benchmark Sensex has only declined by 0.20% in the same week and increased by 1.00% over the past month. This indicates that the stock's recent performance is underperforming the benchmark in the short term, despite its strong long-term performance of 50.29% over the past year compared to the Sensex's 4.24%. The liquidity of the stock remains adequate, allowing for trades of a size of Rs 0.02 crore, which may contribute to its stability in the market.