Pro Picks: Watch all of Monday's big stock calls on CNBC

Jim Cramer, Michael Nathanson of MoffettNathanson, Michael Morris of Guggenheim Securities, Joe Terranova of Virtus Investment Partners, Josh Brown of Ritholtz Wealth Management, Karen Firestone of Aureus Asset Management, and Erik Woodring of Morgan Stanley on why they are buying, selling, or holding specific stocks and ETFs.