Cardano (ADA) has plunged over 14.24% in a single day, extending its monthly losses beyond 35%.Bitcoin's volatility has led to Cardano slipping below $0.65, with a 10.05% drop in the past 24 hours.Cardano is facing bearish signals and may break below the $0.60 support zone.Cardano's SEC-approved Grayscale ETF proposal could impact institutional adoption and price momentum.