Is GRT good for long-term?

Could you please elaborate on the potential long-term viability of GRT? I'm interested in understanding its prospects for growth, as well as any potential risks or challenges that could impact its long-term performance. Would you say that GRT is a solid investment for those looking to hold for an extended period of time? And if so, what are the key factors that support this assertion? Alternatively, are there any concerns that investors should be aware of before committing to a long-term position in GRT? Thank you for your insights.