via Twitter: 3D Systems (DDD): What Happens to Parabolic Trends Jeff Yastine - 25 Mar 2021 $DDD warning. Once broken, parabolic trends tend to revert to just below the breakout point. For DDD - that means $10-$11. pic.twitter.com/SzRTIz8BRT— Jeff Yastine (@JeffYastine) March 25, 2021