Quick ReadRIOT and MARA each fell 6% after Strategy's 8-K revealed Saylor sold 1,690 Bitcoin below the firm's $75,385 average cost basis. Strategy (MSTR) sold Bitcoin at a realized loss, with the board authorizing up to $1.25 billion in total sales to build a USD reserve. The prediction markets assign a 39% chance that Strategy announces more Bitcoin sales before August 17, keeping sentiment fragile across the mining sector. Strategy also sold approximately 6.59 million common shares for $653.1 million, routing $650 million into its cash reserve. The board has authorized up to $1.25 billion of Bitcoin sales to fund the USD reserve.