This past year was certainly an excellent one for Marathon Digital (NASDAQ:MARA) stock, which surged more than 300% as Bitcoin (BTC-USD) went on an absolute tear. The move was expected because of bearish sentiment and the upcoming Bitcoin halving.This halving was clearly overly-priced into this stock. However, investors are once again considering the effects on its balance sheet. MARA stock is now down on a year-to-date basis, as uncertainty looms around the company’s future profitability and cash flow prof ...