Elon Musk's recent actions, such as changing his X handle to 'Kekius Maximus,' caused a little-known meme coin to skyrocket by 4800%, reaching a market cap of $380 million. Meme coins, which are cryptocurrencies based on viral moments or memes, gained popularity due to speculation that the Trump administration would create crypto-friendly regulations. Analysts believe meme coins are likely to remain in the market and could eventually merge with AI to create new types of cryptocurrencies.