Bitcoin is experiencing a resurgence, driven by hope for spot bitcoin ETF approvals, but this investment strategy is based on speculation rather than solid fundamentals. Investment advisors describe bitcoin and altcoins like Solana and Cardano as outperforming, but potential investors should be cautious of market manipulation and the risks associated with ETF trading. The document suggests that day trading may be a more practical approach for those looking to profit from the cryptocurrency's short-term fluctuations.