Unpredictable macro events can roil financial markets. So how should you react? Is there any way to defend yourself? Today's Stocks & Topics: College Savings Plans, High Rate Cash Back Cards, TGT - Target Corp., ELP - Companhia Paranaense de Energia-COPEL ADR, CVS - CVS Health Corp., HPE - Hewlett Packard Enterprise Co., HP - QHP Inc., Company Evaluation.