On Dec. 8, 2020, Citigroup (NYSE:C), one of the largest banks in the world, downgraded MicroStrategy'ss stock (MSTR). Since then, MSTR stock is up 113.27% from $289.45 to $617.31, as the price of Bitcoin (BTC) rallied.
In the same period, the Citigroup stock has declined slightly by 0.63%, from $58.36 to $57.99.