TA: Bitcoin Price Makes U-Turn, Why BTC Could Tumble to $18K

Bitcoin started a fresh decline below the $20,000 support zone against the US Dollar. BTC traded below $19,000 and remains at a risk of a move to $18,000.Bitcoin started a fresh decline and traded below the $19,500 support.
The price is now trading below $19,200 and the 100 hourly simple moving average.
There was a break below a connecting bullish trend line with support at $19,850 on the hourly chart of the BTC/USD pair (data feed from Kraken).
The pair is now at a risk of a move towards the $1