Memecoins such as Dogecoin (DOGE), Shiba Inu (SHIB), and Pepe (PEPE) have been experiencing volatility.The rise and fall of Dogecoin saw significant profits for early investors, but catastrophic losses for those who bought at the peak.Emotional volatility fueled by FOMO and FUD plays a major role in memecoin price fluctuations.Shiba Inu has underperformed Dogecoin, while Pepe has shown market cap growth despite the downturn.