Note there was no significant increase in volume when DOCU traded above its green line. I sell immediately whenever a stock closes below its green line after a GLB.
Cup and handle and green dot signal: $COST; 17th day of $QQQ short term up-trend
It looks to me like COST is forming a cup and handle pattern. Watching to see if it can close above pivot (304.88) on above average volume. Note the two green dot buy signals. There is a video tutorial on setting up green dot signals at my TC2000 club. When a green dot signal fails, I can exit with a stop loss placed near my cost and below recent support.