Why is Vanta Bioscience falling/rising?

As of 05-June, Vanta Bioscience Ltd's stock price is currently at 26.80, reflecting an increase of 0.52, or 1.98%. The stock has shown a positive performance today, outperforming its sector by 2.14%, and has been on a gaining streak for the last four days, accumulating an 8.06% return over this period. However, the stock has experienced erratic trading, having not traded on two days out of the last twenty. Additionally, while the stock's price is higher than its 5-day, 20-day, and 50-day moving averages, it remains below its 100-day and 200-day moving averages. Notably, there has been a decline in investor participation, with delivery volume dropping by 37.5% against the 5-day average, indicating a potential concern regarding sustained interest in the stock.
In the broader market context, Vanta Bioscience's short-term performance of +8.06% over the past week contrasts sharply with the Sensex, which has seen a slight decline of 0.23%. Over the past month, the stock has outperformed the benchmark significantly, with a return of +29.47% compared to the Sensex's +0.80%. However, the stock's year-to-date performance remains concerning, showing a decline of 39.69%, while the Sensex has gained 4.23% during the same period. This divergence suggests that while Vanta Bioscience is experiencing a short-term rebound, its long-term performance has been significantly weaker compared to the broader market.