Ether (ETH) dropped to as low as $1,833 Friday afternoon, its lowest price since April 9, CoinDesk data shows. The second-largest cryptocurrency by market capitalization has now erased all price gains of its recent rally following the seamless implementation last week of the highly anticipated Shanghai upgrade. ETH has declined more than 13% from a Tuesday high of $2,118. It has fallen 5.3% over the past 24 hours as investors continue to weigh macroeconomic and crypto-industry focused uncerta...