Car rental stocks surged today after Hertz Global (HTZ) reported a significant increase in website traffic as travelers look for alternatives to flying amid a TSA shortage that has led to unusually long airport security lines across the United States.The ongoing federal funding lapse for the U.S. Department of Homeland Security (DHS) has led to TSA officers going without pay, driving many to quit or to call out sick. Hertz shares spiked 9% on Thursday, pulling Avis Budget Group's (CAR) stock up in the proce ...