The stock's decline can be explained, and doesn't diminish the company's long-term potential.As 2025 draws to a close, it likely hasn't been a year to remember for investors in SoundHound AI (SOUN 0.70%), at least not for its positive vibes.Shares of the sound and conversational artificial intelligence (AI) company have slumped by more than 50% since this time last year. It's worth noting that SoundHound is an emerging company and a highly speculative stock. So, volatility sort of comes with the territory.T ...