Bitcoin's market dominance is nearing a 6% decline, prompting investors to consider high-performing altcoins such as Hedera (HBAR), Litecoin (LTC), Polkadot (DOT), and SUI (SUI) for potential gains. These altcoins are noted for their strong technical foundations and ecosystem resilience, making them attractive during market shifts. Hedera is recognized for its innovative consensus mechanism and rapid transaction capabilities, while Litecoin offers efficient digital payment solutions. Polkadot's cross-chain connectivity and SUI's smart contract platform are also drawing attention. Analysts suggest that as Bitcoin's dominance decreases, these altcoins may experience short-term rallies due to increased investor interest and capital reallocation.