Subsequent follow-through days and power trends are strong signals in the current market. But how have these played out in the past? In this podcast episode, Justin and Irusha take a look at a few key historical examples where the signs of strength reached similar levels, and what happened afterwards. They also compare signs of strength in individual stocks including ON Semiconductor (ON), Old Dominion Freight Line (ODFL) and New Relic (NEWR). For the video version, visit investors.com/podcast.