Stocks struggle to get going as the biggest week of earnings season awaits. Plus, those fickle teens: Piper Jaffray’s big survey has what’s in and what’s out. We have one of the authors. And, there’s more Wall Street love for Chipotle. It’s our Call of the Day. Catch The Final Round at 3:30 ET p.m. with Yahoo Finance’s Jen Rogers, markets correspondent Myles Udland, and editor-in-chief Andy Serwer.