A visual representation of dogecoin and other cryptocurrencies.Yuriko Nakao | Getty ImagesLONDON — Dogecoin is surging after billionaire Elon Musk and a number of celebrities appeared to back the cryptocurrency on Twitter.The meme-inspired token rallied 65% in 24 hours to a record high of $0.083745 at 5:30 p.m. ET on Sunday, according to data from