**Significant Stock Surge for Marathon Digital and Riot Blockchain**
Marathon Digital ($MARA) and Riot Blockchain ($RIOT), both Bitcoin mining companies with stocks listed in the United States, have experienced a notable increase in their stock prices over the past seven days. Each company’s stock price has risen by more than 30%, reflecting growing investor confidence and interest in the cryptocurrency mining sector. This surge underscores the dynamic nature of the crypto market and highlights the potential for significant returns within the industry. Investors will be closely watching these companies to see if this upward trend continues in the coming weeks.