Why is Stellant Secu. falling/rising?

As of 22-Aug, Stellant Securities (India) Ltd is experiencing a price increase, currently at Rs 557.10, which reflects a rise of 10.9 or 2.0%. The stock has reached a new 52-week and all-time high today, having outperformed its sector by 2.44%. It has shown a remarkable performance over the last 21 days, gaining 51.43%, and has consistently traded above its moving averages across various time frames. Positive financial results reported for the last six months, including a higher profit after tax and record earnings before interest, taxes, depreciation, and amortization, have contributed to the stock's upward momentum. Additionally, the stock has generated impressive returns of 1575.49% over the past year, outperforming the broader market.
In the broader market context, Stellant Securities has significantly outperformed the Sensex, with a 1-week return of 10.38% compared to the Sensex's 0.88%. The stock's year-to-date return of 413.41% also stands in stark contrast to the Sensex's 4.05%. However, it is worth noting that there has been a decline in investor participation, with delivery volume dropping significantly, which could indicate potential concerns about sustainability in the stock's upward trajectory. Despite this, the stock's strong performance in both the short and long term suggests robust investor confidence, bolstered by the majority ownership of promoters.