Bitcoin bulls are struggling to get the price of BTC above $50,000, while ADA, MATIC, and other large-cap altcoins are gaining double digits. Investors were taken aback by Dogecoin's 47 percent surge, which began after Coinbase revealed that it would list the cryptocurrency (DOGE) Elon Musk tweeted that he was "working with Doge to increase machine transaction speed," which boosted the price of Doge. Following the May 13 sell-off, ether and other altcoins have risen.