Medtronic (MDT)[Mdt] established support around 46 in late February with a spinning top (red arrow) and early March with a harami. The stock declined sharply in April and formed a hammer to confirm support at 46 (1st green arrow). After a reaction rally to resistance around 57, the stock declined sharply and again found support around 46 (blue arrow).
Additional Reading
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Reference Tool: Candlestick Pattern Dictionary