After the entire world huffed and puffed about the U.K.’s decision to bail on the European Union, investors were able to shake off concerns, as the U.S. markets climbed higher Friday. This marked the fourth-straight day of gains. The S&P 500 (SNPINDEX: ^GSPC) and Dow Jones industrial Average (DJINDICES: ^DJI) rose 3.2% and 3.1%, respectively, for the week.