Bitcoin and other major cryptocurrencies tumbled on Tuesday as concerns over the US economy and trade tensions grew. Bitcoin dropped 3.2% to $79,937 after hitting a low of $76,624. Ethereum fell sharply by 7.5% to $1,911. The global crypto market cap declined 4.3% to $2.6 trillion, The Economist reports. Solana, XRP, Cardano and Dogecoin also