** Shares of cryptocurrency-related companies surged in early trading
** Expectations of a resumption in U.S.-Iran talks to end the Middle East conflict lifted appetite for risk assets on Tuesday
** Ether ETH=, the second largest cryptocurrency, jumps 6.1% to $2,391.46, its highest level in over two months, while bitcoin BTC= also climbs over 3%
** Blockchain-focused companies Gamesquare Holdings GAME.O gains 5.1%, while BTCS BTCS.O advances about 8%
** Bitmine Immersion Technologies BMNR.A jumps 5.7%, while other ether firms also edge up with Sharplink Gaming SBET.O surging 11% and Bit Digital BTBT.O rising 5.5%
** iShares Ethereum Trust ETF ETHA.O adds 5.6%, trading at its highest level since Feb 2
(Reporting by Purvi Agarwal in Bengaluru)
((Purvi.Agarwal@thomsonreuters.com;))