Bitcoin struggled above the $21,500 resistance zone against the US Dollar. BTC is trimming gains and might find support near the 100 hourly SMA. Bitcoin climbed above the $21,500 level before it faced sellers. The price is now above the $20,000 level and the 100 hourly simple moving average. There was a break below a key bullish trend line with support near $21,175 on the hourly chart of the BTC/USD pair (data feed from Kraken). The pair could find bids near the $20,000 zone or the 100 hourly simple moving average. Bitcoin Price Dips Bitcoin price started an upside correction above the $20,000 resistance zone. There was a decent recovery wave above the $20,200 and $20,500 levels. The price climbed the 61.8% Fib retracement level of the key downside from the $22,950 high to $17,600 low. Finally, there was a move above the $21,000 resistance zone and the price settled above the 100 hourly simple moving average. However, the bears were active above the $21,500 level. A high was formed near the $21,698 and the price started a downside correction. There was a break below the 23.6% Fib retracement level of the upward move from the $17,600 swing low to $21,698 high. Besides, there was a break below a key bullish trend line with support near $21,175 on the hourly chart of the BTC/USD pair. The price is now trading below $21,000. An immediate resistance on the upside is near the $20,550 level. The first major resistance is near the $21...