Justin Sun sold 50% of his ETH worth $143M, leading to a 17% Ethereum price drop.Sun deposited 108,919 ETH ($400M) into HTX, with 42,904 ETH ($139M) unstaking from Lido Finance.Ethereum faces resistance at $3,420, risking $3,000 if $3,120 support breaks; $3,500 signals potential recovery.Ethereum prices face mounting pressure as Justin Sun intensifies his Ethereum sell-off, leading to bearish sentiment in the crypto market.