On December 19, LEO led the top 100 cryptocurrencies with an impressive 11.94% increase, reaching $7.30. ZEC also saw significant gains, rising 9.06% to $435.53, while BCH climbed 4.28% to $591.79. Other notable gainers included MORPHO, up 2.59% to $1.22, and JUP, which increased by 2.15% to $0.1873. Conversely, M experienced a sharp decline, falling 13.05% to $1.43. MYX dropped 9.75% to $2.86, MNT slid 6.83% to $1.14, AERO decreased 4.73% to $0.4849, and STRK dipped 4.51% to $0.08325, marking a challenging day for these altcoins.