Why is PTC Industries falling/rising?

As of 18-Sep, PTC Industries Ltd is experiencing a price increase, currently at 15,512.60, reflecting a rise of 142.6 or 0.93%. The stock has shown strong performance recently, gaining 9.26% over the last four days and outperforming its sector by 0.72% today. Additionally, PTC Industries has demonstrated impressive returns over various periods, including a 9.33% increase over the past week and a 13.10% increase over the past month. The stock's consistent performance is supported by rising investor participation, with delivery volume significantly increasing by 131.38% compared to the five-day average. However, it is important to note that the company has some weaknesses, such as a low return on equity and a flat performance in its latest quarterly results, which may temper investor enthusiasm.
In the broader market context, PTC Industries has outperformed the benchmark Sensex, which has only increased by 1.80% over the past week, while PTC's return stands at 9.33%. This significant outperformance highlights the stock's strong momentum relative to the market. Despite some concerns regarding long-term fundamental strength, the stock's recent gains and positive short-term performance suggest that investor sentiment remains favorable, particularly given its substantial market capitalization and consistent returns over the past three years.