Cryptocurrencies and crypto-linked stocks have slumped amid traders’ concerns about the economy and global trade war.Bitcoin has lost over 10% of its value and Ether has lost over 45% since the beginning of the quarter.Stocks such as Coinbase, Riot Platforms, Core Scientific, and Galaxy Digital have fallen below their Election Day values.Traders' concerns about the economy have also impacted the S&P 500 Index, possibly leading to its worst quarter since mid-2022.