Ether surged to a record for the first time in almost four years, with the second-largest cryptocurrency benefiting from a renewal in demand after long being touted as a more adaptable alternative to the crypto market leader bitcoin.The native token of the Ethereum blockchain rose as much as 15 per cent to US$4,866.73, topping the previous all-time high of US$4,866.40 reached in November 2021.Ether has increased more than 40 per cent this year, outperforming bitcoin even as the original...