Tron founder Justin Sun plans to buy $209 million worth of Ethereum from Lido Finance.This move follows Sun's recent ETH sell-off and coincides with Ethereum's surge towards the $4,000 mark.Sun currently holds an estimated total profit of $349 million, representing a 29% increase in his Ethereum investments.Speculations arise on the impact of Sun's Ethereum holdings on the asset's future price, while analysts predict a positive price outlook for ETH.