Why is Shantai Indust. falling/rising?

As of 17-Nov, Shantai Industries Ltd is experiencing a decline in its stock price, currently at Rs 14.06, which represents a decrease of 1.56 or 9.99%. Today's price summary indicates that the stock has underperformed its sector by 10.04%, reaching an intraday low of Rs 14.06. The stock has shown high volatility today, with an intraday volatility of 5.19%, and has traded in a wide range of Rs 1.55. Additionally, the delivery volume has significantly decreased by 97.8% compared to the 5-day average, indicating falling investor participation. The stock's performance over the past week shows a decline of 2.97%, while it has gained 2.11% over the past month.
Broader Market Context: In comparison to the benchmark Sensex, which has increased by 1.69% over the past week, Shantai Industries Ltd's short-term performance is notably weaker. While the Sensex has shown positive returns, the stock's recent decline highlights a disconnect with broader market trends. The stock's performance over longer periods, such as a 3-year gain of 42.45% compared to the Sensex's 37.57%, suggests that it has historically outperformed the market, but the current downturn indicates potential challenges that may be affecting investor sentiment.