Tesla and SpaceX CEO Elon Musk’s latest tweet about Dogecoin (DOGE) led to a significant price surge for the meme cryptocurrency. Musk tweeted ‘Doge fixes crypto’ along with a Shiba Inu dog meme, causing DOGE to jump over 7% in value. The tweet came after Dogecoin’s co-founder Billy Markus announced that he was working on a new Dogecoin improvement proposal.