BlackRock Inc. $BLK has been bullish in 2019, reversing a period of bearish correction in 2018 where share price fell from almost $595 to almost $360. After that price formed a price bottom where the $440 area was the key resistance, or neckline.BLK Daily Chart(click to enlarge)Key Support:- BlackRock Inc. looked like it completed a price bottom and was breaking above a falling trendline.- The pullback has price testing this price bottom at the neckline around $440.- Also note that the RSI is right around 40 and a bullish market would likely turn here.- Furthermore, the 200-day simple moving average (SMA) is around $438, another reason this area is at least showing some initial support.- A break below $415-$420 area would be a sign that bulls are not strong enough. This would open up the $360-$380 lows.- Otherwise there is still upside to $500 in 2019.