A "tell" is an observable, consistent, unwitting behavior in reaction to a known stimulus. Which is a fancy way of stating something you already understand intuitively. 

Examples: You try on a new, hot outfit to model for your partner. You twirl before them, asking for an opinion. The love of your life looks you over squinches up their nose almost, but not quite imperceptibly. "You look amazing, babe" they offer with what is intended to be a sincere tone but is in the same tone they use to compliment your mom. This is the love of your life. The words mean nothing compared to the signals given off by the Tells of tone and expression. You change.

Example Two (The Point): Three stocks, all dominant in their respective corners of the consumer world, all beaten down mercilessly. All three had what should have been, could have been and in a better tape would have been bullish catalysts over the weekend.

Best Buy, Dicks and Nike are all down over 20% in the last 2 months. They are companies of varying quality in terms of execution but Supply Chain positioning but they dominate consumer segments which have been beaten like Government Mules over the ever-changing...