Why is Eighty Jewellers falling/rising?

As of 23-Sep, Eighty Jewellers Ltd is experiencing a price increase, with its current price at 33.80, reflecting a rise of 0.87 or 2.64%. The stock has shown strong short-term performance, with a 14.58% increase over the past week and an 8.61% increase over the past month, significantly outperforming the Sensex, which has declined by 0.34% over the same week. Today's trading activity indicates a notable rise in investor participation, with delivery volume on 22 September increasing by 100% compared to the 5-day average. The stock is currently trading above its 5-day, 20-day, and 50-day moving averages, although it remains below its 100-day and 200-day moving averages. There is no information available regarding positive or negative factors that could influence the stock's movement.
Broader market context shows that while Eighty Jewellers has had a strong short-term return, it has struggled significantly over the longer term, with a year-to-date decline of 28.01% compared to a 5.07% increase in the Sensex. Over the past year, the stock has decreased by 36.82%, while the benchmark has only fallen by 3.33%. This stark contrast highlights the stock's volatility and challenges in the broader market environment, despite its recent positive momentum.