Featured Story What Is the DECA Stock Market Game? By Abby Higgs, Staff Writer, Money Morning - December 12, 2014 DECA - the stock market game, offers high-schoolers an opportunity to experience the marketing world. With virtual money to invest, each team of students is expected to build an appreciable portfolio. It's more cutthroat than you'd think. Do you think you've got what it takes to play?