Why is Lerthai Finance falling/rising?

As of 15-Sep, Lerthai Finance Ltd. is experiencing a decline in its stock price, currently at Rs 629.65, which reflects a decrease of Rs 12.85 or 2.0%. The stock has underperformed its sector by 2.15% today and has touched an intraday low of Rs 629.65. Despite being only 2.04% away from its 52-week high of Rs 642.5, the stock has shown erratic trading patterns, not trading on 4 out of the last 20 days. Additionally, there has been a significant drop in investor participation, with delivery volume falling by 58.33% compared to the 5-day average. While Lerthai Finance has performed well over the longer term, with a year-to-date return of 22.38% and a 3-year return of 315.20%, the recent short-term performance indicates a negative trend. In the broader market context, Lerthai Finance's recent performance contrasts with the Sensex, which has gained 1.24% over the past week. The stock's decline of 2.00% over the same period highlights its underperformance relative to the benchmark. While the stock has shown strong returns over the past month and year, the current downward movement may be influenced by reduced trading activity and liquidity concerns, suggesting that investor sentiment may be shifting negatively in the short term.