here's a good example for an exit DNR was given a buy on 8/20 by the algorithm program in the best agressive package. notice the VTX +VI topped at 1.30 that would be my get ready sell alert and as you can see, DNR started drifting down/ good for short term trading will get to long term holds down the road. ,,,,,$$$$$ https://stockcharts.com/c-sc/sc?s=DNR&p=D&yr=0&mn=2&dy=0&i=p46994892776&r=1536371596978