Strategy stock plunged after the price of Bitcoin tanked over the weekend, souring its cryptocurrency bet. Strategy revealed in a securities filing Monday that it had snapped up 855 tokens for roughly $87,974 each, or $75.3 million in total, in the preceding seven-day period. Shares fell 7.7% in premarket trading against a 0.7% decline for the tech-heavy Strategy is no stranger to criticism, but it has faced renewed pressure after its Bitcoin bet slipped into the red.