Why is EMS falling/rising?

As of 16-Sep, EMS Ltd's stock price is currently at 567.25, reflecting an increase of 1.75, or 0.31%. The stock has shown a positive trend recently, gaining 2.03% over the last two days, and is performing inline with its sector. Despite this short-term gain, the stock has underperformed in the longer term, with a year-to-date decline of 33.26% and a one-year drop of 28.83%. The company has a low debt-to-equity ratio and has experienced healthy long-term growth, with net sales increasing at an annual rate of 40.80%. However, the small stake held by domestic mutual funds at only 1.03% may indicate a lack of confidence in the stock's current valuation or business prospects. In the broader market context, EMS Ltd's recent performance contrasts with the Sensex, which has gained 1.58% over the past week and 5.43% year-to-date. While EMS has shown a positive return of 3.11% over the past month, it still lags behind the benchmark's performance. The stock's recent gains may be attributed to rising investor participation, as indicated by a 9.2% increase in delivery volume, suggesting some renewed interest. However, the overall underperformance in both the near and long term, along with the low mutual fund holdings, raises concerns about the stock's sustainability in the current market environment.