Dogecoin (DOGE) could still surge to $3 if it holds the key support line of $0.19.The support zone between $0.19 and $0.16 is crucial for DOGE's potential rally.The recent price decline has brought DOGE back to pre-US-election levels.Analysts believe DOGE has a chance to reach new all-time highs, but caution investors about the risks of volatility.