Stocks closed mostly lower Thursday as the Q2 GDP declined at a historic rate. However, the big story on Wall Street is what happened after the bell, as four tech giants - Amazon, Apple, Facebook and Alphabet, the parent company of Google, were among the many companies reporting earnings. Rebecca Walser, President of Walser Wealth Management and Cheddar Senior Reporter Michelle Castillo broke down earnings for Amazon, Facebook, and drug company Gilead.