In the past, when US stocks rose, the cryptocurrency market also rose. When US stocks in AI rose, the crypto market's altcoins also followed with wild increases. Now, when US stocks rise, the altcoins plummet; when US stocks and cryptocurrencies rise, the related crypto market seems to be dead. The essence is that institutional funds in the crypto market have exited, and altcoins have entered a 'fundamental bear market'; taking medicine and injections is useless.