source:[1] S&P 500: Bull flag to new highs? Or double top and drop? BofA answers - Investing.com (https://www.investing.com/news/stock-market-n ...)[2] Hecla Mining to join S&P MidCap 400 index on December 22 - Investing.com (https://www.investing.com/news/company-news/h ...)[3] Bitcoin mining company stocks drop 1.8% as costs soar! - Cointribune (https://www.cointribune.com/en/mining-sector- ...)