Live updates: Bitcoin whipsaws between $81,000 and $84,000 as altcoins slide

Bitcoin swung through a $3,000 range over the past 24 hours. It fell to about $81,000 in early Asian trading, then ripped back above $84,000 and traded near $83,500 early Tuesday. Altcoins didn’t bounce back as hard. ZEC was the laggard, down nearly 8% to about $1,210, and HYPE fell nearly 6% to about $82. SOL and DOGE each dropped 4%, and XRP lost about 3% to $1.36. Ether and BNB slipped between 1% and 2%, according to CoinDesk data. The Crypto Fear & Greed Index, which tracks market sentiment, fell to 57.