Why is Hindustan Motors falling/rising?

As of 05-Aug, Hindustan Motors Ltd is experiencing a decline in its stock price, currently at 23.44, which reflects a decrease of 0.3 or 1.26%. The stock has underperformed its sector by 1.84% today and is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages. Over the past week, the stock has dropped by 3.06%, and in the last month, it has seen a significant decline of 18.64%. Despite this, there has been a notable increase in investor participation, with delivery volume rising by 46.52% compared to the 5-day average. Unfortunately, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, Hindustan Motors' short-term performance has been notably worse than the benchmark Sensex, which has only declined by 0.77% over the same week. The stock's year-to-date performance is also concerning, with a drop of 17.75%, while the Sensex has gained 3.29% during this period. This stark contrast highlights the challenges faced by Hindustan Motors in the current market environment, as it continues to lag behind both its sector and the overall market.