off. the s&p 500 rose 8, the nasdaq gained 63. u.s. markets will be closed tomorrow for the holiday and reopened friday for a shortened trading day, black friday. if you are hitting the road this holiday, you will have plenty of company. the matter how you are traveling, planes, trains, or automobiles. it tonight, correspondent mike tobin's shows us what it is like at one of the countries busiest airports, o'hare international in chicago. >> holiday travelers once again to push it into record territory. about 54 million people are expected to travel, more than 5g dinner and then back home. 4.7 million will take to the sky, and that means wrestling with security screening lies. noting the travel volume, we are asking travelers to arrive at the airport two hours before a domestic flight, three hours before an international. the airports will be opening up more lines for security screening. >> we will have additional