Great Advice on Taking Partial Exits

MSTR is a good example of the "Partial Profit" or "Let it Ride" exit strategy. I entered the breakout-pullback setup at $84, with a target under the old high a limit order set at $89.85 (I always set the target a little below the round number). From there I move my stop up to the $84 entry level to lock in the profit.The stock continued higher today, and closed with a new breakout bar (though