Bitcoin fell below the critical $80,000 mark on Sunday evening, tracking a sharp decline in U.S. stock index futures due to escalating concerns about tariffs.

The 50-day moving average recently crossed below the 200-day moving average, forming a death cross pattern, which signals further selling pressures in the market. Important support levels to monitor are $74,000, $65,000, and $57,000, while a notable resistance zone lies near $87,000.